Confused pairs
Incorrect answers between two species (undirected). With a country selected, only mix-ups from games in that country are counted, and only pairs where both species are on that country's checklist are shown.
| Species A (lower id) | Species B (higher id) | Total wrong | A was target → picked B | B was target → picked A |
|---|---|---|---|---|
| Eurasian Sparrowhawk Accipiter nisus | Eurasian Goshawk Astur gentilis | 64 | 30 | 34 |
| Bar-tailed Godwit Limosa lapponica | Black-tailed Godwit Limosa limosa | 49 | 23 | 26 |
| Red Kite Milvus milvus | Black Kite Milvus migrans | 43 | 17 | 26 |
| Great Black-backed Gull Larus marinus | Lesser Black-backed Gull Larus fuscus | 42 | 21 | 21 |
| Willow Warbler Phylloscopus trochilus | Common Chiffchaff Phylloscopus collybita | 42 | 18 | 24 |
| Whimbrel Numenius phaeopus | Eurasian Curlew Numenius arquata | 41 | 21 | 20 |
| Common Redpoll Acanthis flammea | Lesser Redpoll Acanthis cabaret | 36 | 23 | 13 |
| Arctic Tern Sterna paradisaea | Common Tern Sterna hirundo | 35 | 14 | 21 |
| Goosander Mergus merganser | Red-breasted Merganser Mergus serrator | 30 | 10 | 20 |
| Great Shearwater Ardenna gravis | Manx Shearwater Puffinus puffinus | 30 | 12 | 18 |
| Carrion Crow Corvus corone | Common Raven Corvus corax | 29 | 18 | 11 |
| Mistle Thrush Turdus viscivorus | Song Thrush Turdus philomelos | 25 | 10 | 15 |
| Black Guillemot Cepphus grylle | Common Guillemot Uria aalge | 23 | 12 | 11 |
| Red-throated Diver Gavia stellata | Great Northern Diver Gavia immer | 23 | 10 | 13 |
| Eurasian Woodcock Scolopax rusticola | Common Snipe Gallinago gallinago | 22 | 4 | 18 |
| European Storm-Petrel Hydrobates pelagicus | Leach's Storm-Petrel Hydrobates leucorhous | 22 | 17 | 5 |
| Cory's Shearwater Calonectris diomedea | Great Shearwater Ardenna gravis | 20 | 7 | 13 |
| Sedge Warbler Acrocephalus schoenobaenus | Common Grasshopper Warbler Locustella naevia | 20 | 11 | 9 |
| Black-headed Gull Chroicocephalus ridibundus | Mediterranean Gull Ichthyaetus melanocephalus | 19 | 9 | 10 |
| Lapland Bunting Calcarius lapponicus | Common Reed Bunting Emberiza schoeniclus | 19 | 14 | 5 |
| Redwing Turdus iliacus | Fieldfare Turdus pilaris | 19 | 11 | 8 |
| Red Knot Calidris canutus | Dunlin Calidris alpina | 19 | 12 | 7 |
| Sanderling Calidris alba | Dunlin Calidris alpina | 19 | 8 | 11 |
| Bewick's Swan Cygnus columbianus | Whooper Swan Cygnus cygnus | 19 | 13 | 6 |
| Goldcrest Regulus regulus | Common Firecrest Regulus ignicapilla | 18 | 3 | 15 |
| Solitary Sandpiper Tringa solitaria | Wood Sandpiper Tringa glareola | 18 | 13 | 5 |
| Common Tern Sterna hirundo | Sandwich Tern Thalasseus sandvicensis | 18 | 15 | 3 |
| Little Grebe Tachybaptus ruficollis | Red-necked Grebe Podiceps grisegena | 18 | 9 | 9 |
| House Sparrow Passer domesticus | Eurasian Tree Sparrow Passer montanus | 18 | 16 | 2 |
| Arctic Tern Sterna paradisaea | Roseate Tern Sterna dougallii | 16 | 8 | 8 |
| Black Kite Milvus migrans | Common Buzzard Buteo buteo | 16 | 13 | 3 |
| Common Tern Sterna hirundo | Roseate Tern Sterna dougallii | 16 | 6 | 10 |
| Hen Harrier Circus cyaneus | Northern Harrier Circus hudsonius | 16 | 2 | 14 |
| Grey Plover Pluvialis squatarola | European Golden Plover Pluvialis apricaria | 16 | 14 | 2 |
| Cory's Shearwater Calonectris diomedea | Manx Shearwater Puffinus puffinus | 15 | 10 | 5 |
| Arctic Skua Stercorarius parasiticus | Great Skua Stercorarius skua | 15 | 12 | 3 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Common Grasshopper Warbler Locustella naevia | 15 | 9 | 6 |
| Meadow Pipit Anthus pratensis | Rock Pipit Anthus petrosus | 15 | 6 | 9 |
| Black-tailed Godwit Limosa limosa | Hudsonian Godwit Limosa haemastica | 14 | 8 | 6 |
| Dunlin Calidris alpina | Purple Sandpiper Calidris maritima | 14 | 10 | 4 |
| Red-necked Grebe Podiceps grisegena | Great Crested Grebe Podiceps cristatus | 14 | 10 | 4 |
| Hen Harrier Circus cyaneus | Black Kite Milvus migrans | 13 | 7 | 6 |
| Arctic Skua Stercorarius parasiticus | Pomarine Skua Stercorarius pomarinus | 13 | 6 | 7 |
| Common Sandpiper Actitis hypoleucos | Common Greenshank Tringa nebularia | 13 | 11 | 2 |
| Greater Scaup Aythya marila | Common Goldeneye Bucephala clangula | 13 | 7 | 6 |
| Jack Snipe Lymnocryptes minimus | Common Snipe Gallinago gallinago | 13 | 1 | 12 |
| Bar-tailed Godwit Limosa lapponica | Hudsonian Godwit Limosa haemastica | 12 | 6 | 6 |
| Black-legged Kittiwake Rissa tridactyla | Mediterranean Gull Ichthyaetus melanocephalus | 12 | 5 | 7 |
| Tufted Duck Aythya fuligula | Greater Scaup Aythya marila | 12 | 6 | 6 |
| Redhead Aythya americana | Common Pochard Aythya ferina | 12 | 12 | 0 |
| Herring Gull Larus argentatus | Great Black-backed Gull Larus marinus | 11 | 3 | 8 |
| Mediterranean Gull Ichthyaetus melanocephalus | Common Gull Larus canus | 11 | 5 | 6 |
| Richard's Pipit Anthus richardi | Meadow Pipit Anthus pratensis | 11 | 7 | 4 |
| Western Yellow Wagtail Motacilla flava | Citrine Wagtail Motacilla citreola | 11 | 9 | 2 |
| Sand Martin Riparia riparia | Western House Martin Delichon urbicum | 11 | 6 | 5 |
| Herring Gull Larus argentatus | Lesser Black-backed Gull Larus fuscus | 10 | 5 | 5 |
| Greater White-fronted Goose Anser albifrons | Lesser White-fronted Goose Anser erythropus | 10 | 4 | 6 |
| Greater Scaup Aythya marila | Lesser Scaup Aythya affinis | 10 | 5 | 5 |
| Bufflehead Bucephala albeola | Common Goldeneye Bucephala clangula | 10 | 2 | 8 |
| Common Scoter Melanitta nigra | Common Goldeneye Bucephala clangula | 10 | 1 | 9 |
| Marsh Sandpiper Tringa stagnatilis | Lesser Yellowlegs Tringa flavipes | 10 | 10 | 0 |
| Richard's Pipit Anthus richardi | Tawny Pipit Anthus campestris | 10 | 6 | 4 |
| Roseate Tern Sterna dougallii | Sandwich Tern Thalasseus sandvicensis | 10 | 4 | 6 |
| Hermit Thrush Catharus guttatus | Mistle Thrush Turdus viscivorus | 9 | 8 | 1 |
| Common Redpoll Acanthis flammea | Arctic Redpoll Acanthis hornemanni | 9 | 5 | 4 |
| Manx Shearwater Puffinus puffinus | Barolo Shearwater Puffinus baroli | 9 | 1 | 8 |
| Gadwall Mareca strepera | Eurasian Wigeon Mareca penelope | 9 | 2 | 7 |
| Great Cormorant Phalacrocorax carbo | European Shag Gulosus aristotelis | 9 | 4 | 5 |
| Hen Harrier Circus cyaneus | Pallid Harrier Circus macrourus | 9 | 2 | 7 |
| Red Knot Calidris canutus | Sanderling Calidris alba | 9 | 6 | 3 |
| European Goldfinch Carduelis carduelis | Eurasian Siskin Spinus spinus | 8 | 1 | 7 |
| Hen Harrier Circus cyaneus | Eurasian Goshawk Astur gentilis | 8 | 4 | 4 |
| Marsh Sandpiper Tringa stagnatilis | Wood Sandpiper Tringa glareola | 8 | 4 | 4 |
| Swainson's Thrush Catharus ustulatus | Hermit Thrush Catharus guttatus | 8 | 3 | 5 |
| Cory's Shearwater Calonectris diomedea | Sooty Shearwater Ardenna grisea | 8 | 5 | 3 |
| Yellow-browed Warbler Phylloscopus inornatus | Hume's Warbler Phylloscopus humei | 8 | 1 | 7 |
| Ovenbird Seiurus aurocapilla | Northern Waterthrush Parkesia noveboracensis | 8 | 2 | 6 |
| Rough-legged Buzzard Buteo lagopus | Common Buzzard Buteo buteo | 8 | 5 | 3 |
| Black-throated Diver Gavia arctica | Great Northern Diver Gavia immer | 8 | 3 | 5 |
| Red Knot Calidris canutus | Purple Sandpiper Calidris maritima | 8 | 7 | 1 |
| Thrush Nightingale Luscinia luscinia | Common Nightingale Luscinia megarhynchos | 8 | 6 | 2 |
| Common Chiffchaff Phylloscopus collybita | Iberian Chiffchaff Phylloscopus ibericus | 8 | 3 | 5 |
| Little Tern Sternula albifrons | Common Tern Sterna hirundo | 8 | 4 | 4 |
| Greylag Goose Anser anser | Greater White-fronted Goose Anser albifrons | 7 | 2 | 5 |
| Common Redstart Phoenicurus phoenicurus | Black Redstart Phoenicurus ochruros | 7 | 4 | 3 |
| Common Scoter Melanitta nigra | Black Scoter Melanitta americana | 7 | 6 | 1 |
| Taiga Bean Goose Anser fabalis | Tundra Bean Goose Anser serrirostris | 7 | 3 | 4 |
| Water Pipit Anthus spinoletta | Buff-bellied Pipit Anthus rubescens | 7 | 2 | 5 |
| Wilson's Phalarope Phalaropus tricolor | Red-necked Phalarope Phalaropus lobatus | 7 | 5 | 2 |
| Long-tailed Skua Stercorarius longicaudus | Arctic Skua Stercorarius parasiticus | 7 | 3 | 4 |
| Common Linnet Linaria cannabina | Lesser Redpoll Acanthis cabaret | 7 | 5 | 2 |
| Hen Harrier Circus cyaneus | Common Buzzard Buteo buteo | 7 | 6 | 1 |
| Slavonian Grebe Podiceps auritus | Black-necked Grebe Podiceps nigricollis | 7 | 5 | 2 |
| European Storm-Petrel Hydrobates pelagicus | Sooty Shearwater Ardenna grisea | 7 | 4 | 3 |
| Eurasian Sparrowhawk Accipiter nisus | Common Buzzard Buteo buteo | 7 | 3 | 4 |
| Common Chiffchaff Phylloscopus collybita | Greenish Warbler Phylloscopus trochiloides | 7 | 2 | 5 |
| European Serin Serinus serinus | Eurasian Siskin Spinus spinus | 7 | 4 | 3 |
| Gadwall Mareca strepera | Northern Pintail Anas acuta | 7 | 7 | 0 |
| Ruddy Turnstone Arenaria interpres | Sanderling Calidris alba | 7 | 2 | 5 |
| Little Tern Sternula albifrons | Roseate Tern Sterna dougallii | 7 | 3 | 4 |
| Blyth's Reed Warbler Acrocephalus dumetorum | Marsh Warbler Acrocephalus palustris | 7 | 4 | 3 |
| Ruddy Turnstone Arenaria interpres | Purple Sandpiper Calidris maritima | 7 | 0 | 7 |
| Wood Sandpiper Tringa glareola | Lesser Yellowlegs Tringa flavipes | 7 | 7 | 0 |
| Stock Dove Columba oenas | Common Woodpigeon Columba palumbus | 7 | 3 | 4 |
| Eurasian Bittern Botaurus stellaris | American Bittern Botaurus lentiginosus | 7 | 4 | 3 |
| Lesser Crested Tern Thalasseus bengalensis | Royal Tern Thalasseus maximus | 6 | 5 | 1 |
| Eastern Subalpine Warbler Curruca cantillans | Dartford Warbler Curruca undata | 6 | 3 | 3 |
| Black-legged Kittiwake Rissa tridactyla | Ivory Gull Pagophila eburnea | 6 | 3 | 3 |
| Eurasian Coot Fulica atra | American Coot Fulica americana | 6 | 2 | 4 |
| Sharp-tailed Sandpiper Calidris acuminata | Stilt Sandpiper Calidris himantopus | 6 | 2 | 4 |
| Eurasian Goshawk Astur gentilis | Common Buzzard Buteo buteo | 6 | 1 | 5 |
| Great Shearwater Ardenna gravis | Balearic Shearwater Puffinus mauretanicus | 6 | 5 | 1 |
| Rock Dove Columba livia | Common Woodpigeon Columba palumbus | 6 | 5 | 1 |
| Taiga Flycatcher Ficedula albicilla | Red-breasted Flycatcher Ficedula parva | 6 | 1 | 5 |
| Little Tern Sternula albifrons | Arctic Tern Sterna paradisaea | 6 | 5 | 1 |
| Jack Snipe Lymnocryptes minimus | Eurasian Woodcock Scolopax rusticola | 6 | 4 | 2 |
| American Golden Plover Pluvialis dominica | Pacific Golden Plover Pluvialis fulva | 6 | 3 | 3 |
| Western Yellow Wagtail Motacilla flava | Eastern Yellow Wagtail Motacilla tschutschensis | 6 | 6 | 0 |
| Red-billed Chough Pyrrhocorax pyrrhocorax | Carrion Crow Corvus corone | 6 | 6 | 0 |
| European Turtle Dove Streptopelia turtur | Collared Dove Streptopelia decaocto | 6 | 4 | 2 |
| Veery Catharus fuscescens | Grey-cheeked Thrush Catharus minimus | 6 | 2 | 4 |
| Brambling Fringilla montifringilla | Eurasian Bullfinch Pyrrhula pyrrhula | 6 | 5 | 1 |
| Radde's Warbler Phylloscopus schwarzi | Dusky Warbler Phylloscopus fuscatus | 6 | 5 | 1 |
| Twite Linaria flavirostris | Common Linnet Linaria cannabina | 6 | 1 | 5 |
| Common Linnet Linaria cannabina | Common Redpoll Acanthis flammea | 6 | 2 | 4 |
| Greater White-fronted Goose Anser albifrons | Pink-footed Goose Anser brachyrhynchus | 6 | 4 | 2 |
| Greylag Goose Anser anser | Pink-footed Goose Anser brachyrhynchus | 6 | 4 | 2 |
| Sedge Warbler Acrocephalus schoenobaenus | Paddyfield Warbler Acrocephalus agricola | 6 | 4 | 2 |
| Brambling Fringilla montifringilla | Hawfinch Coccothraustes coccothraustes | 6 | 6 | 0 |
| Hen Harrier Circus cyaneus | Red Kite Milvus milvus | 6 | 3 | 3 |
| Ruddy Turnstone Arenaria interpres | Dunlin Calidris alpina | 6 | 2 | 4 |
| Razorbill Alca torda | Common Guillemot Uria aalge | 6 | 2 | 4 |
| Velvet Scoter Melanitta fusca | White-winged Scoter Melanitta deglandi | 6 | 1 | 5 |
| Great Skua Stercorarius skua | South Polar Skua Stercorarius maccormicki | 6 | 0 | 6 |
| Black-winged Pratincole Glareola nordmanni | Collared Pratincole Glareola pratincola | 6 | 5 | 1 |
| Great Cormorant Phalacrocorax carbo | Double-crested Cormorant Nannopterum auritum | 6 | 1 | 5 |
| Common Swift Apus apus | Pallid Swift Apus pallidus | 6 | 4 | 2 |
| Green Sandpiper Tringa ochropus | Solitary Sandpiper Tringa solitaria | 5 | 1 | 4 |
| Elegant Tern Thalasseus elegans | Lesser Crested Tern Thalasseus bengalensis | 5 | 2 | 3 |
| Black-throated Diver Gavia arctica | Pacific Diver Gavia pacifica | 5 | 2 | 3 |
| Wilson's Storm-Petrel Oceanites oceanicus | European Storm-Petrel Hydrobates pelagicus | 5 | 5 | 0 |
| Wilson's Storm-Petrel Oceanites oceanicus | Leach's Storm-Petrel Hydrobates leucorhous | 5 | 3 | 2 |
| European Storm-Petrel Hydrobates pelagicus | Great Shearwater Ardenna gravis | 5 | 3 | 2 |
| Northern Fulmar Fulmarus glacialis | Cory's Shearwater Calonectris diomedea | 5 | 2 | 3 |
| Manx Shearwater Puffinus puffinus | Balearic Shearwater Puffinus mauretanicus | 5 | 2 | 3 |
| Little Egret Egretta garzetta | Great White Egret Ardea alba | 5 | 3 | 2 |
| Grey Phalarope Phalaropus fulicarius | Red-necked Phalarope Phalaropus lobatus | 5 | 4 | 1 |
| Northern Harrier Circus hudsonius | Montagu's Harrier Circus pygargus | 5 | 2 | 3 |
| Red Kite Milvus milvus | Common Buzzard Buteo buteo | 5 | 4 | 1 |
| Stock Dove Columba oenas | European Turtle Dove Streptopelia turtur | 5 | 2 | 3 |
| Common Redshank Tringa totanus | Spotted Redshank Tringa erythropus | 5 | 5 | 0 |
| Stock Dove Columba oenas | Collared Dove Streptopelia decaocto | 5 | 3 | 2 |
| Greater Short-toed Lark Calandrella brachydactyla | Eurasian Skylark Alauda arvensis | 5 | 4 | 1 |
| Eurasian Skylark Alauda arvensis | Common Grasshopper Warbler Locustella naevia | 5 | 0 | 5 |
| Melodious Warbler Hippolais polyglotta | Icterine Warbler Hippolais icterina | 5 | 1 | 4 |
| Common Reed Warbler Acrocephalus scirpaceus | Great Reed Warbler Acrocephalus arundinaceus | 5 | 2 | 3 |
| Sand Martin Riparia riparia | Barn Swallow Hirundo rustica | 5 | 0 | 5 |
| Barn Swallow Hirundo rustica | Cliff Swallow Petrochelidon pyrrhonota | 5 | 3 | 2 |
| Yellow-browed Warbler Phylloscopus inornatus | Pallas's Warbler Phylloscopus proregulus | 5 | 1 | 4 |
| Sanderling Calidris alba | Purple Sandpiper Calidris maritima | 5 | 1 | 4 |
| Little Stint Calidris minuta | White-rumped Sandpiper Calidris fuscicollis | 5 | 2 | 3 |
| Surf Scoter Melanitta perspicillata | White-winged Scoter Melanitta deglandi | 5 | 0 | 5 |
| Long-tailed Skua Stercorarius longicaudus | Pomarine Skua Stercorarius pomarinus | 5 | 1 | 4 |
| White-winged Scoter Melanitta deglandi | Stejneger's Scoter Melanitta stejnegeri | 5 | 4 | 1 |
| Swainson's Thrush Catharus ustulatus | Mistle Thrush Turdus viscivorus | 5 | 3 | 2 |
| European Golden Plover Pluvialis apricaria | Pacific Golden Plover Pluvialis fulva | 5 | 1 | 4 |
| Black-legged Kittiwake Rissa tridactyla | Common Gull Larus canus | 5 | 5 | 0 |
| Desert Wheatear Oenanthe deserti | Western Black-eared Wheatear Oenanthe hispanica | 5 | 1 | 4 |
| Common Chaffinch Fringilla coelebs | Brambling Fringilla montifringilla | 5 | 0 | 5 |
| Caspian Gull Larus cachinnans | Herring Gull Larus argentatus | 5 | 5 | 0 |
| Common Chaffinch Fringilla coelebs | European Greenfinch Chloris chloris | 5 | 5 | 0 |
| Pine Bunting Emberiza leucocephalos | Little Bunting Emberiza pusilla | 5 | 4 | 1 |
| Little Bunting Emberiza pusilla | Rustic Bunting Emberiza rustica | 5 | 3 | 2 |
| Glaucous-winged Gull Larus glaucescens | Iceland Gull Larus glaucoides | 5 | 4 | 1 |
| Bobolink Dolichonyx oryzivorus | Red-winged Blackbird Agelaius phoeniceus | 5 | 2 | 3 |
| Willow Warbler Phylloscopus trochilus | Arctic Warbler Phylloscopus borealis | 4 | 0 | 4 |
| Sykes's Warbler Iduna rama | Eastern Olivaceous Warbler Iduna pallida | 4 | 2 | 2 |
| Common Sandpiper Actitis hypoleucos | Green Sandpiper Tringa ochropus | 4 | 1 | 3 |
| Common Sandpiper Actitis hypoleucos | Spotted Sandpiper Actitis macularius | 4 | 1 | 3 |
| European Stonechat Saxicola rubicola | Northern Wheatear Oenanthe oenanthe | 4 | 3 | 1 |
| Common Moorhen Gallinula chloropus | Eurasian Coot Fulica atra | 4 | 2 | 2 |
| Cetti's Warbler Cettia cetti | Garden Warbler Sylvia borin | 4 | 4 | 0 |
| Long-tailed Duck Clangula hyemalis | Smew Mergellus albellus | 4 | 4 | 0 |
| Little Stint Calidris minuta | Least Sandpiper Calidris minutilla | 4 | 1 | 3 |
| Rock Dove Columba livia | Stock Dove Columba oenas | 4 | 4 | 0 |
| Dunnock Prunella modularis | House Sparrow Passer domesticus | 4 | 0 | 4 |
| Balearic Shearwater Puffinus mauretanicus | Barolo Shearwater Puffinus baroli | 4 | 1 | 3 |
| Grey Wagtail Motacilla cinerea | Western Yellow Wagtail Motacilla flava | 4 | 1 | 3 |
| Grey Wagtail Motacilla cinerea | Pied Wagtail/White Wagtail Motacilla alba | 4 | 0 | 4 |
| Savi's Warbler Locustella luscinioides | Common Grasshopper Warbler Locustella naevia | 4 | 1 | 3 |
| Common Eider Somateria mollissima | Common Scoter Melanitta nigra | 4 | 1 | 3 |
| Laughing Gull Leucophaeus atricilla | Franklin's Gull Leucophaeus pipixcan | 4 | 4 | 0 |
| Sardinian Warbler Curruca melanocephala | Common Whitethroat Curruca communis | 4 | 2 | 2 |
| Bufflehead Bucephala albeola | Smew Mergellus albellus | 4 | 3 | 1 |
| Common Gull Larus canus | Herring Gull Larus argentatus | 4 | 3 | 1 |
| Great Shearwater Ardenna gravis | Sooty Shearwater Ardenna grisea | 4 | 2 | 2 |
| Bufflehead Bucephala albeola | Hooded Merganser Lophodytes cucullatus | 4 | 1 | 3 |
| Greater Scaup Aythya marila | Common Scoter Melanitta nigra | 4 | 1 | 3 |
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 4 | 3 | 1 |
| Red-rumped Swallow Cecropis daurica | Cliff Swallow Petrochelidon pyrrhonota | 4 | 2 | 2 |
| Eurasian/Green-winged Teal Anas crecca | Common Pochard Aythya ferina | 4 | 1 | 3 |
| Wood Warbler Phylloscopus sibilatrix | Yellow-browed Warbler Phylloscopus inornatus | 4 | 4 | 0 |
| Northern Harrier Circus hudsonius | Pallid Harrier Circus macrourus | 4 | 3 | 1 |
| Lesser Redpoll Acanthis cabaret | Arctic Redpoll Acanthis hornemanni | 4 | 3 | 1 |
| Long-tailed Skua Stercorarius longicaudus | South Polar Skua Stercorarius maccormicki | 4 | 4 | 0 |
| European Storm-Petrel Hydrobates pelagicus | Cory's Shearwater Calonectris diomedea | 4 | 2 | 2 |
| Glaucous Gull Larus hyperboreus | Glaucous-winged Gull Larus glaucescens | 4 | 2 | 2 |
| Western Bonelli's Warbler Phylloscopus bonelli | Yellow-browed Warbler Phylloscopus inornatus | 4 | 2 | 2 |
| Lesser Black-backed Gull Larus fuscus | Slaty-backed Gull Larus schistisagus | 4 | 3 | 1 |
| Veery Catharus fuscescens | Hermit Thrush Catharus guttatus | 4 | 4 | 0 |
| Cackling Goose Branta hutchinsii | Canada Goose Branta canadensis | 4 | 2 | 2 |
| Common Reed Bunting Emberiza schoeniclus | Little Bunting Emberiza pusilla | 4 | 2 | 2 |
| Common Reed Bunting Emberiza schoeniclus | Rustic Bunting Emberiza rustica | 4 | 1 | 3 |
| Siberian Sand Plover Anarhynchus mongolus | Kentish Plover Anarhynchus alexandrinus | 4 | 2 | 2 |
| Wilson's Phalarope Phalaropus tricolor | Grey Phalarope Phalaropus fulicarius | 4 | 0 | 4 |
| Lesser Black-backed Gull Larus fuscus | Common Tern Sterna hirundo | 4 | 3 | 1 |
| Slaty-backed Gull Larus schistisagus | Iceland Gull Larus glaucoides | 4 | 2 | 2 |
| Broad-billed Sandpiper Calidris falcinellus | Sharp-tailed Sandpiper Calidris acuminata | 4 | 1 | 3 |
| Common Ringed Plover Charadrius hiaticula | Little Ringed Plover Thinornis dubius | 4 | 1 | 3 |
| Little Tern Sternula albifrons | Sandwich Tern Thalasseus sandvicensis | 4 | 1 | 3 |
| Eurasian Wigeon Mareca penelope | Eurasian/Green-winged Teal Anas crecca | 4 | 4 | 0 |
| Red-necked Stint Calidris ruficollis | Dunlin Calidris alpina | 4 | 4 | 0 |
| Tennessee Warbler Leiothlypis peregrina | American Redstart Setophaga ruticilla | 4 | 1 | 3 |
| Baikal Teal Sibirionetta formosa | Blue-winged Teal Spatula discors | 4 | 2 | 2 |
| Common Snipe Gallinago gallinago | Common Sandpiper Actitis hypoleucos | 4 | 1 | 3 |
| Green Heron Butorides virescens | Squacco Heron Ardeola ralloides | 4 | 4 | 0 |
| Northern Pintail Anas acuta | Eurasian/Green-winged Teal Anas crecca | 4 | 3 | 1 |
| Solitary Sandpiper Tringa solitaria | Marsh Sandpiper Tringa stagnatilis | 4 | 3 | 1 |
| Eurasian Blackbird Turdus merula | Fieldfare Turdus pilaris | 4 | 3 | 1 |
| Yellow Warbler Setophaga petechia | Wilson's Warbler Cardellina pusilla | 4 | 0 | 4 |
| Little Blue Heron Egretta caerulea | Green Heron Butorides virescens | 4 | 1 | 3 |
| Marsh Warbler Acrocephalus palustris | Great Reed Warbler Acrocephalus arundinaceus | 4 | 1 | 3 |
| Common Greenshank Tringa nebularia | Red Knot Calidris canutus | 4 | 1 | 3 |
| Grey Plover Pluvialis squatarola | Common Ringed Plover Charadrius hiaticula | 4 | 3 | 1 |
| Ruddy Turnstone Arenaria interpres | Red Knot Calidris canutus | 4 | 1 | 3 |
| Spotted Sandpiper Actitis macularius | Green Sandpiper Tringa ochropus | 4 | 1 | 3 |
| Chimney Swift Chaetura pelagica | Pallid Swift Apus pallidus | 4 | 1 | 3 |
| Common Reed Warbler Acrocephalus scirpaceus | Common Grasshopper Warbler Locustella naevia | 4 | 0 | 4 |
| Common Guillemot Uria aalge | Manx Shearwater Puffinus puffinus | 4 | 4 | 0 |
| Common Sandpiper Actitis hypoleucos | Common Redshank Tringa totanus | 3 | 1 | 2 |
| Rock Pipit Anthus petrosus | Buff-bellied Pipit Anthus rubescens | 3 | 1 | 2 |
| Mistle Thrush Turdus viscivorus | Eurasian Blackbird Turdus merula | 3 | 0 | 3 |
| Common Gull Larus canus | Lesser Black-backed Gull Larus fuscus | 3 | 3 | 0 |
| Grey Plover Pluvialis squatarola | Eurasian Dotterel Eudromias morinellus | 3 | 3 | 0 |
| Eastern Subalpine Warbler Curruca cantillans | Common Whitethroat Curruca communis | 3 | 3 | 0 |
| Red Knot Calidris canutus | Broad-billed Sandpiper Calidris falcinellus | 3 | 3 | 0 |
| Greater Sand Plover Anarhynchus leschenaultii | Kentish Plover Anarhynchus alexandrinus | 3 | 3 | 0 |
| Tennessee Warbler Leiothlypis peregrina | Cape May Warbler Setophaga tigrina | 3 | 3 | 0 |
| Cory's Shearwater Calonectris diomedea | Balearic Shearwater Puffinus mauretanicus | 3 | 0 | 3 |
| Black-winged Stilt Himantopus himantopus | Grey Plover Pluvialis squatarola | 3 | 1 | 2 |
| Booted Warbler Iduna caligata | Sykes's Warbler Iduna rama | 3 | 2 | 1 |
| Temminck's Stint Calidris temminckii | Long-toed Stint Calidris subminuta | 3 | 1 | 2 |
| Philadelphia Vireo Vireo philadelphicus | Red-eyed Vireo Vireo olivaceus | 3 | 2 | 1 |
| Bermuda Petrel Pterodroma cahow | Great Shearwater Ardenna gravis | 3 | 1 | 2 |
| Eurasian Sparrowhawk Accipiter nisus | Red Kite Milvus milvus | 3 | 1 | 2 |
| Fea's Petrel Pterodroma feae | Bermuda Petrel Pterodroma cahow | 3 | 3 | 0 |
| Paddyfield Warbler Acrocephalus agricola | Common Reed Warbler Acrocephalus scirpaceus | 3 | 1 | 2 |
| Common Linnet Linaria cannabina | Common Crossbill Loxia curvirostra | 3 | 2 | 1 |
| Common Snipe Gallinago gallinago | Common Redshank Tringa totanus | 3 | 0 | 3 |
| Killdeer Charadrius vociferus | Semipalmated Plover Charadrius semipalmatus | 3 | 0 | 3 |
| Merlin Falco columbarius | Eurasian Hobby Falco subbuteo | 3 | 0 | 3 |
| Leach's Storm-Petrel Hydrobates leucorhous | Sooty Shearwater Ardenna grisea | 3 | 3 | 0 |
| Gull-billed Tern Gelochelidon nilotica | Caspian Tern Hydroprogne caspia | 3 | 0 | 3 |
| Velvet Scoter Melanitta fusca | Stejneger's Scoter Melanitta stejnegeri | 3 | 0 | 3 |
| Common Redshank Tringa totanus | Ruddy Turnstone Arenaria interpres | 3 | 0 | 3 |
| Yellow-rumped Warbler Setophaga coronata | Canada Warbler Cardellina canadensis | 3 | 1 | 2 |
| Common Eider Somateria mollissima | Goosander Mergus merganser | 3 | 0 | 3 |
| Red-throated Diver Gavia stellata | White-billed Diver Gavia adamsii | 3 | 2 | 1 |
| European Storm-Petrel Hydrobates pelagicus | Manx Shearwater Puffinus puffinus | 3 | 0 | 3 |
| Coal Tit Periparus ater | Great Tit Parus major | 3 | 1 | 2 |
| Cape May Warbler Setophaga tigrina | Yellow Warbler Setophaga petechia | 3 | 3 | 0 |
| Common Nighthawk Chordeiles minor | Eurasian Nightjar Caprimulgus europaeus | 3 | 3 | 0 |
| Common Shelduck Tadorna tadorna | Gadwall Mareca strepera | 3 | 3 | 0 |
| Ruff Calidris pugnax | Sharp-tailed Sandpiper Calidris acuminata | 3 | 1 | 2 |
| Lapland Bunting Calcarius lapponicus | Snow Bunting Plectrophenax nivalis | 3 | 2 | 1 |
| Glaucous Gull Larus hyperboreus | Slaty-backed Gull Larus schistisagus | 3 | 3 | 0 |
| Grey Plover Pluvialis squatarola | Northern Lapwing Vanellus vanellus | 3 | 1 | 2 |
| Caspian Tern Hydroprogne caspia | Whiskered Tern Chlidonias hybrida | 3 | 1 | 2 |
| European Honey-buzzard Pernis apivorus | Western Marsh Harrier Circus aeruginosus | 3 | 1 | 2 |
| Western Bonelli's Warbler Phylloscopus bonelli | Hume's Warbler Phylloscopus humei | 3 | 2 | 1 |
| Yellow-rumped Warbler Setophaga coronata | Wilson's Warbler Cardellina pusilla | 3 | 1 | 2 |
| Wood Sandpiper Tringa glareola | Spotted Redshank Tringa erythropus | 3 | 3 | 0 |
| Ortolan Bunting Emberiza hortulana | Common Reed Bunting Emberiza schoeniclus | 3 | 1 | 2 |
| Yellow Warbler Setophaga petechia | Canada Warbler Cardellina canadensis | 3 | 0 | 3 |
| Isabelline Shrike Lanius isabellinus | Lesser Grey Shrike Lanius minor | 3 | 3 | 0 |
| Lesser Yellowlegs Tringa flavipes | Common Greenshank Tringa nebularia | 3 | 0 | 3 |
| Black Guillemot Cepphus grylle | Razorbill Alca torda | 3 | 0 | 3 |
| Taiga Bean Goose Anser fabalis | Pink-footed Goose Anser brachyrhynchus | 3 | 1 | 2 |
| American Bittern Botaurus lentiginosus | Little Bittern Botaurus minutus | 3 | 1 | 2 |
| Sora Porzana carolina | Spotted Crake Porzana porzana | 3 | 2 | 1 |
| Brent Goose Branta bernicla | Barnacle Goose Branta leucopsis | 3 | 1 | 2 |
| Red-billed Chough Pyrrhocorax pyrrhocorax | Rook Corvus frugilegus | 3 | 3 | 0 |
| Ring-necked Duck Aythya collaris | Tufted Duck Aythya fuligula | 3 | 3 | 0 |
| Ross's Gull Rhodostethia rosea | Ivory Gull Pagophila eburnea | 3 | 3 | 0 |
| Alpine Swift Tachymarptis melba | Pallid Swift Apus pallidus | 3 | 1 | 2 |
| Eurasian Wigeon Mareca penelope | American Wigeon Mareca americana | 3 | 3 | 0 |
| Spotted Crake Porzana porzana | Baillon's Crake Zapornia pusilla | 3 | 0 | 3 |
| Aquatic Warbler Acrocephalus paludicola | Sedge Warbler Acrocephalus schoenobaenus | 3 | 3 | 0 |
| Little Grebe Tachybaptus ruficollis | Great Crested Grebe Podiceps cristatus | 3 | 2 | 1 |
| European Stonechat Saxicola rubicola | Siberian Stonechat Saxicola maurus | 3 | 1 | 2 |
| Arctic Tern Sterna paradisaea | Sandwich Tern Thalasseus sandvicensis | 3 | 2 | 1 |
| Greenish Warbler Phylloscopus trochiloides | Arctic Warbler Phylloscopus borealis | 3 | 0 | 3 |
| European Golden Plover Pluvialis apricaria | Northern Lapwing Vanellus vanellus | 3 | 1 | 2 |
| Roseate Tern Sterna dougallii | Elegant Tern Thalasseus elegans | 3 | 2 | 1 |
| Northern Pintail Anas acuta | Common Pochard Aythya ferina | 3 | 2 | 1 |
| White-crowned Sparrow Zonotrichia leucophrys | White-throated Sparrow Zonotrichia albicollis | 3 | 1 | 2 |
| Baird's Sandpiper Calidris bairdii | Little Stint Calidris minuta | 3 | 1 | 2 |
| Eurasian Blackcap Sylvia atricapilla | Common Whitethroat Curruca communis | 3 | 2 | 1 |
| Short-billed Dowitcher Limnodromus griseus | Long-billed Dowitcher Limnodromus scolopaceus | 3 | 1 | 2 |
| Common Kestrel Falco tinnunculus | Red-footed Falcon Falco vespertinus | 3 | 0 | 3 |
| Little Ringed Plover Thinornis dubius | Greater Sand Plover Anarhynchus leschenaultii | 3 | 2 | 1 |
| Common Redshank Tringa totanus | Red Knot Calidris canutus | 3 | 3 | 0 |
| Garden Warbler Sylvia borin | Barred Warbler Curruca nisoria | 3 | 3 | 0 |
| Isabelline Wheatear Oenanthe isabellina | Pied Wheatear Oenanthe pleschanka | 3 | 2 | 1 |
| Elegant Tern Thalasseus elegans | Royal Tern Thalasseus maximus | 3 | 2 | 1 |
| Little Tern Sternula albifrons | Least Tern Sternula antillarum | 3 | 0 | 3 |
| Greater Short-toed Lark Calandrella brachydactyla | Woodlark Lullula arborea | 3 | 1 | 2 |
| Bonaparte's Gull Chroicocephalus philadelphia | Black-headed Gull Chroicocephalus ridibundus | 3 | 3 | 0 |
| Broad-billed Sandpiper Calidris falcinellus | Curlew Sandpiper Calidris ferruginea | 3 | 2 | 1 |
| Bonaparte's Gull Chroicocephalus philadelphia | Laughing Gull Leucophaeus atricilla | 3 | 0 | 3 |
| Barolo Shearwater Puffinus baroli | Brown Booby Sula leucogaster | 3 | 0 | 3 |
| Little Stint Calidris minuta | Western Sandpiper Calidris mauri | 3 | 0 | 3 |
| Marsh Warbler Acrocephalus palustris | Common Reed Warbler Acrocephalus scirpaceus | 3 | 2 | 1 |
| Red-necked Stint Calidris ruficollis | Sanderling Calidris alba | 3 | 3 | 0 |
| Black-headed Gull Chroicocephalus ridibundus | Common Gull Larus canus | 3 | 1 | 2 |
| Willow Ptarmigan Lagopus lagopus | Common Quail Coturnix coturnix | 3 | 1 | 2 |
| Eurasian Goshawk Astur gentilis | Black Kite Milvus migrans | 3 | 0 | 3 |
| Hudsonian Godwit Limosa haemastica | Long-billed Dowitcher Limnodromus scolopaceus | 3 | 2 | 1 |
| Gadwall Mareca strepera | Mallard Anas platyrhynchos | 3 | 3 | 0 |
| Gadwall Mareca strepera | American Wigeon Mareca americana | 3 | 2 | 1 |
| Black-headed Gull Chroicocephalus ridibundus | Great Black-backed Gull Larus marinus | 3 | 3 | 0 |
| Great Spotted Cuckoo Clamator glandarius | Common Cuckoo Cuculus canorus | 3 | 3 | 0 |
| Lesser Whitethroat Curruca curruca | Common Whitethroat Curruca communis | 3 | 0 | 3 |
| Whiskered Tern Chlidonias hybrida | Forster's Tern Sterna forsteri | 3 | 3 | 0 |
| Richard's Pipit Anthus richardi | Tree Pipit Anthus trivialis | 3 | 3 | 0 |
| Pacific Diver Gavia pacifica | Great Northern Diver Gavia immer | 3 | 2 | 1 |
| Tawny Pipit Anthus campestris | Tree Pipit Anthus trivialis | 3 | 2 | 1 |
| White-rumped Sandpiper Calidris fuscicollis | Pectoral Sandpiper Calidris melanotos | 3 | 2 | 1 |
| Northern Waterthrush Parkesia noveboracensis | Black-and-white Warbler Mniotilta varia | 3 | 1 | 2 |
| Meadow Pipit Anthus pratensis | Pechora Pipit Anthus gustavi | 3 | 3 | 0 |
| Franklin's Gull Leucophaeus pipixcan | Mediterranean Gull Ichthyaetus melanocephalus | 3 | 3 | 0 |
| Black-tailed Godwit Limosa limosa | Common Snipe Gallinago gallinago | 3 | 2 | 1 |
| Aquatic Warbler Acrocephalus paludicola | Blyth's Reed Warbler Acrocephalus dumetorum | 3 | 3 | 0 |
| Olive-backed Pipit Anthus hodgsoni | Pechora Pipit Anthus gustavi | 3 | 2 | 1 |
| Western Subalpine Warbler Curruca iberiae | Eastern Subalpine Warbler Curruca cantillans | 3 | 0 | 3 |
| Rook Corvus frugilegus | Common Raven Corvus corax | 3 | 2 | 1 |
| Western Subalpine Warbler Curruca iberiae | Common Whitethroat Curruca communis | 3 | 2 | 1 |
| Common Gull Larus canus | Ring-billed Gull Larus delawarensis | 3 | 2 | 1 |
| Western Subalpine Warbler Curruca iberiae | Dartford Warbler Curruca undata | 3 | 1 | 2 |
| Common Greenshank Tringa nebularia | Greater Yellowlegs Tringa melanoleuca | 3 | 3 | 0 |
| Shore Lark Eremophila alpestris | Common Linnet Linaria cannabina | 2 | 1 | 1 |
| Blackpoll Warbler Setophaga striata | Yellow-rumped Warbler Setophaga coronata | 2 | 1 | 1 |
| Woodlark Lullula arborea | Eurasian Skylark Alauda arvensis | 2 | 1 | 1 |
| Blackpoll Warbler Setophaga striata | Rose-breasted Grosbeak Pheucticus ludovicianus | 2 | 0 | 2 |
| Tundra Bean Goose Anser serrirostris | Pink-footed Goose Anser brachyrhynchus | 2 | 1 | 1 |
| Booted Warbler Iduna caligata | Eastern Olivaceous Warbler Iduna pallida | 2 | 1 | 1 |
| Mallard Anas platyrhynchos | Northern Pintail Anas acuta | 2 | 0 | 2 |
| Eastern Olivaceous Warbler Iduna pallida | Melodious Warbler Hippolais polyglotta | 2 | 1 | 1 |
| Red Knot Calidris canutus | Sharp-tailed Sandpiper Calidris acuminata | 2 | 2 | 0 |
| Merlin Falco columbarius | Gyr Falcon Falco rusticolus | 2 | 2 | 0 |
| Green Sandpiper Tringa ochropus | Marsh Sandpiper Tringa stagnatilis | 2 | 0 | 2 |
| Common Nighthawk Chordeiles minor | Alpine Swift Tachymarptis melba | 2 | 2 | 0 |
| Aquatic Warbler Acrocephalus paludicola | Paddyfield Warbler Acrocephalus agricola | 2 | 1 | 1 |
| Siberian Sand Plover Anarhynchus mongolus | Greater Sand Plover Anarhynchus leschenaultii | 2 | 1 | 1 |
| Sedge Warbler Acrocephalus schoenobaenus | Blyth's Reed Warbler Acrocephalus dumetorum | 2 | 0 | 2 |
| Sedge Warbler Acrocephalus schoenobaenus | Common Reed Warbler Acrocephalus scirpaceus | 2 | 0 | 2 |
| Eurasian Nightjar Caprimulgus europaeus | Water Rail Rallus aquaticus | 2 | 1 | 1 |
| Common Kestrel Falco tinnunculus | Gyr Falcon Falco rusticolus | 2 | 2 | 0 |
| Spotted Sandpiper Actitis macularius | Solitary Sandpiper Tringa solitaria | 2 | 0 | 2 |
| Blyth's Reed Warbler Acrocephalus dumetorum | Great Reed Warbler Acrocephalus arundinaceus | 2 | 2 | 0 |
| Curlew Sandpiper Calidris ferruginea | Stilt Sandpiper Calidris himantopus | 2 | 0 | 2 |
| Alpine Swift Tachymarptis melba | Common Swift Apus apus | 2 | 0 | 2 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Savi's Warbler Locustella luscinioides | 2 | 2 | 0 |
| Common Eider Somateria mollissima | Common Goldeneye Bucephala clangula | 2 | 0 | 2 |
| Eurasian Wryneck Jynx torquilla | Yellow-bellied Sapsucker Sphyrapicus varius | 2 | 0 | 2 |
| Water Rail Rallus aquaticus | Common Moorhen Gallinula chloropus | 2 | 1 | 1 |
| Barn Swallow Hirundo rustica | Western House Martin Delichon urbicum | 2 | 0 | 2 |
| Stilt Sandpiper Calidris himantopus | Temminck's Stint Calidris temminckii | 2 | 1 | 1 |
| Temminck's Stint Calidris temminckii | Red-necked Stint Calidris ruficollis | 2 | 1 | 1 |
| Temminck's Stint Calidris temminckii | Buff-breasted Sandpiper Calidris subruficollis | 2 | 2 | 0 |
| Long-toed Stint Calidris subminuta | Buff-breasted Sandpiper Calidris subruficollis | 2 | 1 | 1 |
| Smew Mergellus albellus | Goosander Mergus merganser | 2 | 1 | 1 |
| Yellow-browed Warbler Phylloscopus inornatus | Radde's Warbler Phylloscopus schwarzi | 2 | 2 | 0 |
| Buff-breasted Sandpiper Calidris subruficollis | Dunlin Calidris alpina | 2 | 0 | 2 |
| Common Shelduck Tadorna tadorna | Eurasian Wigeon Mareca penelope | 2 | 2 | 0 |
| White-winged Black Tern Chlidonias leucopterus | Arctic Tern Sterna paradisaea | 2 | 0 | 2 |
| Long-eared Owl Asio otus | Short-eared Owl Asio flammeus | 2 | 0 | 2 |
| Corncrake Crex crex | Spotted Crake Porzana porzana | 2 | 1 | 1 |
| Common Sandpiper Actitis hypoleucos | Ruddy Turnstone Arenaria interpres | 2 | 2 | 0 |
| Dunlin Calidris alpina | Baird's Sandpiper Calidris bairdii | 2 | 1 | 1 |
| Dusky Warbler Phylloscopus fuscatus | Iberian Chiffchaff Phylloscopus ibericus | 2 | 2 | 0 |
| Willow Warbler Phylloscopus trochilus | Iberian Chiffchaff Phylloscopus ibericus | 2 | 1 | 1 |
| Willow Warbler Phylloscopus trochilus | Greenish Warbler Phylloscopus trochiloides | 2 | 1 | 1 |
| Dunlin Calidris alpina | Little Stint Calidris minuta | 2 | 2 | 0 |
| Dunlin Calidris alpina | White-rumped Sandpiper Calidris fuscicollis | 2 | 0 | 2 |
| Garganey Spatula querquedula | Blue-winged Teal Spatula discors | 2 | 1 | 1 |
| Iberian Chiffchaff Phylloscopus ibericus | Greenish Warbler Phylloscopus trochiloides | 2 | 1 | 1 |
| Baird's Sandpiper Calidris bairdii | White-rumped Sandpiper Calidris fuscicollis | 2 | 1 | 1 |
| Little Stint Calidris minuta | Pectoral Sandpiper Calidris melanotos | 2 | 1 | 1 |
| Lesser Whitethroat Curruca curruca | Sardinian Warbler Curruca melanocephala | 2 | 0 | 2 |
| White-rumped Sandpiper Calidris fuscicollis | Least Sandpiper Calidris minutilla | 2 | 1 | 1 |
| Lesser Whitethroat Curruca curruca | Eastern Subalpine Warbler Curruca cantillans | 2 | 2 | 0 |
| Sardinian Warbler Curruca melanocephala | Western Subalpine Warbler Curruca iberiae | 2 | 1 | 1 |
| Forster's Tern Sterna forsteri | Common Tern Sterna hirundo | 2 | 2 | 0 |
| Surf Scoter Melanitta perspicillata | Stejneger's Scoter Melanitta stejnegeri | 2 | 2 | 0 |
| Eurasian Sparrowhawk Accipiter nisus | Black Kite Milvus migrans | 2 | 0 | 2 |
| Common Whitethroat Curruca communis | Common Firecrest Regulus ignicapilla | 2 | 1 | 1 |
| Pectoral Sandpiper Calidris melanotos | Western Sandpiper Calidris mauri | 2 | 1 | 1 |
| Pectoral Sandpiper Calidris melanotos | Semipalmated Sandpiper Calidris pusilla | 2 | 1 | 1 |
| Western Sandpiper Calidris mauri | Semipalmated Sandpiper Calidris pusilla | 2 | 2 | 0 |
| Slavonian Grebe Podiceps auritus | Red-necked Grebe Podiceps grisegena | 2 | 1 | 1 |
| Black-winged Stilt Himantopus himantopus | European Golden Plover Pluvialis apricaria | 2 | 1 | 1 |
| Velvet Scoter Melanitta fusca | Common Scoter Melanitta nigra | 2 | 2 | 0 |
| Hen Harrier Circus cyaneus | Eurasian Sparrowhawk Accipiter nisus | 2 | 2 | 0 |
| Golden Eagle Aquila chrysaetos | Western Marsh Harrier Circus aeruginosus | 2 | 0 | 2 |
| Red-throated Diver Gavia stellata | Pacific Diver Gavia pacifica | 2 | 0 | 2 |
| Veery Catharus fuscescens | Swainson's Thrush Catharus ustulatus | 2 | 2 | 0 |
| Arctic Skua Stercorarius parasiticus | Black Guillemot Cepphus grylle | 2 | 0 | 2 |
| Northern Shoveler Spatula clypeata | Mallard Anas platyrhynchos | 2 | 2 | 0 |
| Pomarine Skua Stercorarius pomarinus | South Polar Skua Stercorarius maccormicki | 2 | 1 | 1 |
| Barnacle Goose Branta leucopsis | Cackling Goose Branta hutchinsii | 2 | 0 | 2 |
| Hermit Thrush Catharus guttatus | Song Thrush Turdus philomelos | 2 | 2 | 0 |
| Mistle Thrush Turdus viscivorus | Redwing Turdus iliacus | 2 | 1 | 1 |
| Mistle Thrush Turdus viscivorus | Fieldfare Turdus pilaris | 2 | 2 | 0 |
| Green Heron Butorides virescens | Purple Heron Ardea purpurea | 2 | 1 | 1 |
| Great Skua Stercorarius skua | Common Guillemot Uria aalge | 2 | 1 | 1 |
| Atlantic Puffin Fratercula arctica | Razorbill Alca torda | 2 | 2 | 0 |
| Little Egret Egretta garzetta | Grey Heron Ardea cinerea | 2 | 2 | 0 |
| Fieldfare Turdus pilaris | Spotted Flycatcher Muscicapa striata | 2 | 0 | 2 |
| Fieldfare Turdus pilaris | European Stonechat Saxicola rubicola | 2 | 0 | 2 |
| Common Scoter Melanitta nigra | Bufflehead Bucephala albeola | 2 | 2 | 0 |
| Little Blue Heron Egretta caerulea | Little Egret Egretta garzetta | 2 | 2 | 0 |
| Spotted Flycatcher Muscicapa striata | Northern Wheatear Oenanthe oenanthe | 2 | 2 | 0 |
| Common Pochard Aythya ferina | Greater Scaup Aythya marila | 2 | 2 | 0 |
| Common Pochard Aythya ferina | Tufted Duck Aythya fuligula | 2 | 1 | 1 |
| European Golden Plover Pluvialis apricaria | American Golden Plover Pluvialis dominica | 2 | 2 | 0 |
| Hooded Merganser Lophodytes cucullatus | Goosander Mergus merganser | 2 | 0 | 2 |
| Red-flanked Bluetail Tarsiger cyanurus | Red-breasted Flycatcher Ficedula parva | 2 | 1 | 1 |
| Taiga Flycatcher Ficedula albicilla | European Pied Flycatcher Ficedula hypoleuca | 2 | 0 | 2 |
| European Shag Gulosus aristotelis | Double-crested Cormorant Nannopterum auritum | 2 | 0 | 2 |
| Little Gull Hydrocoloeus minutus | Bonaparte's Gull Chroicocephalus philadelphia | 2 | 2 | 0 |
| Ross's Gull Rhodostethia rosea | Bonaparte's Gull Chroicocephalus philadelphia | 2 | 2 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Black-headed Gull Chroicocephalus ridibundus | 2 | 1 | 1 |
| Whinchat Saxicola rubetra | Siberian Stonechat Saxicola maurus | 2 | 0 | 2 |
| Red-throated Diver Gavia stellata | Black-throated Diver Gavia arctica | 2 | 2 | 0 |
| Common Scoter Melanitta nigra | Little Grebe Tachybaptus ruficollis | 2 | 0 | 2 |
| Siberian Stonechat Saxicola maurus | Isabelline Wheatear Oenanthe isabellina | 2 | 0 | 2 |
| Siberian Stonechat Saxicola maurus | Desert Wheatear Oenanthe deserti | 2 | 0 | 2 |
| Greylag Goose Anser anser | Taiga Bean Goose Anser fabalis | 2 | 1 | 1 |
| Northern Wheatear Oenanthe oenanthe | Isabelline Wheatear Oenanthe isabellina | 2 | 0 | 2 |
| Black Scoter Melanitta americana | Bufflehead Bucephala albeola | 2 | 1 | 1 |
| Long-tailed Duck Clangula hyemalis | Bufflehead Bucephala albeola | 2 | 0 | 2 |
| Isabelline Wheatear Oenanthe isabellina | Western Black-eared Wheatear Oenanthe hispanica | 2 | 0 | 2 |
| Northern Gannet Morus bassanus | Brown Booby Sula leucogaster | 2 | 1 | 1 |
| Western Black-eared Wheatear Oenanthe hispanica | Pied Wheatear Oenanthe pleschanka | 2 | 0 | 2 |
| Black-headed Gull Chroicocephalus ridibundus | Franklin's Gull Leucophaeus pipixcan | 2 | 1 | 1 |
| Black-headed Gull Chroicocephalus ridibundus | Herring Gull Larus argentatus | 2 | 1 | 1 |
| Hudsonian Godwit Limosa haemastica | Short-billed Dowitcher Limnodromus griseus | 2 | 0 | 2 |
| Eastern Yellow Wagtail Motacilla tschutschensis | Citrine Wagtail Motacilla citreola | 2 | 2 | 0 |
| Little Grebe Tachybaptus ruficollis | Pied-billed Grebe Podilymbus podiceps | 2 | 1 | 1 |
| Sooty Shearwater Ardenna grisea | Barolo Shearwater Puffinus baroli | 2 | 0 | 2 |
| Redhead Aythya americana | Ferruginous Duck Aythya nyroca | 2 | 2 | 0 |
| Laughing Gull Leucophaeus atricilla | Mediterranean Gull Ichthyaetus melanocephalus | 2 | 2 | 0 |
| Meadow Pipit Anthus pratensis | Olive-backed Pipit Anthus hodgsoni | 2 | 2 | 0 |
| Tree Pipit Anthus trivialis | Pechora Pipit Anthus gustavi | 2 | 0 | 2 |
| Great Shearwater Ardenna gravis | Barolo Shearwater Puffinus baroli | 2 | 0 | 2 |
| Pechora Pipit Anthus gustavi | Rock Pipit Anthus petrosus | 2 | 2 | 0 |
| Common Gull Larus canus | Caspian Gull Larus cachinnans | 2 | 0 | 2 |
| Common Tern Sterna hirundo | Elegant Tern Thalasseus elegans | 2 | 1 | 1 |
| Common Tern Sterna hirundo | Lesser Crested Tern Thalasseus bengalensis | 2 | 0 | 2 |
| Herring Gull Larus argentatus | Yellow-legged Gull Larus michahellis | 2 | 1 | 1 |
| Cory's Shearwater Calonectris diomedea | Barolo Shearwater Puffinus baroli | 2 | 0 | 2 |
| Black-tailed Godwit Limosa limosa | Long-billed Dowitcher Limnodromus scolopaceus | 2 | 2 | 0 |
| Brambling Fringilla montifringilla | Common Redpoll Acanthis flammea | 2 | 2 | 0 |
| Bufflehead Bucephala albeola | Goosander Mergus merganser | 2 | 0 | 2 |
| Hawfinch Coccothraustes coccothraustes | Common Rosefinch Carpodacus erythrinus | 2 | 1 | 1 |
| Fea's Petrel Pterodroma feae | Cory's Shearwater Calonectris diomedea | 2 | 0 | 2 |
| Northern Fulmar Fulmarus glacialis | Manx Shearwater Puffinus puffinus | 2 | 1 | 1 |
| Northern Fulmar Fulmarus glacialis | Great Shearwater Ardenna gravis | 2 | 0 | 2 |
| Leach's Storm-Petrel Hydrobates leucorhous | Northern Fulmar Fulmarus glacialis | 2 | 2 | 0 |
| Common Redpoll Acanthis flammea | White-crowned Sparrow Zonotrichia leucophrys | 2 | 0 | 2 |
| Great Black-backed Gull Larus marinus | Glaucous-winged Gull Larus glaucescens | 2 | 2 | 0 |
| Common Crossbill Loxia curvirostra | Eurasian Siskin Spinus spinus | 2 | 2 | 0 |
| Common Crossbill Loxia curvirostra | Lapland Bunting Calcarius lapponicus | 2 | 0 | 2 |
| Great Black-backed Gull Larus marinus | Slaty-backed Gull Larus schistisagus | 2 | 0 | 2 |
| Eurasian Siskin Spinus spinus | Yellowhammer Emberiza citrinella | 2 | 0 | 2 |
| Eurasian Siskin Spinus spinus | Common Reed Bunting Emberiza schoeniclus | 2 | 0 | 2 |
| Willow Ptarmigan Lagopus lagopus | Red-necked Grebe Podiceps grisegena | 2 | 2 | 0 |
| Corn Bunting Emberiza calandra | Pine Bunting Emberiza leucocephalos | 2 | 1 | 1 |
| Pine Bunting Emberiza leucocephalos | Ortolan Bunting Emberiza hortulana | 2 | 0 | 2 |
| Killdeer Charadrius vociferus | Little Ringed Plover Thinornis dubius | 2 | 2 | 0 |
| Eurasian/Green-winged Teal Anas crecca | Tufted Duck Aythya fuligula | 2 | 2 | 0 |
| Lesser Black-backed Gull Larus fuscus | Little Tern Sternula albifrons | 2 | 0 | 2 |
| Lesser Black-backed Gull Larus fuscus | Arctic Tern Sterna paradisaea | 2 | 0 | 2 |
| Dark-eyed Junco Junco hyemalis | White-crowned Sparrow Zonotrichia leucophrys | 2 | 0 | 2 |
| Common Ringed Plover Charadrius hiaticula | Semipalmated Plover Charadrius semipalmatus | 2 | 0 | 2 |
| Bobolink Dolichonyx oryzivorus | Baltimore Oriole Icterus galbula | 2 | 0 | 2 |
| Northern Lapwing Vanellus vanellus | Fieldfare Turdus pilaris | 2 | 0 | 2 |
| Baltimore Oriole Icterus galbula | Ovenbird Seiurus aurocapilla | 2 | 2 | 0 |
| Blue-winged Warbler Vermivora cyanoptera | Tennessee Warbler Leiothlypis peregrina | 2 | 2 | 0 |
| Blue-winged Warbler Vermivora cyanoptera | Common Yellowthroat Geothlypis trichas | 2 | 2 | 0 |
| Common Goldeneye Bucephala clangula | Red-breasted Merganser Mergus serrator | 2 | 2 | 0 |
| Semipalmated Plover Charadrius semipalmatus | Little Ringed Plover Thinornis dubius | 2 | 2 | 0 |
| Common Yellowthroat Geothlypis trichas | Northern Parula Setophaga americana | 2 | 2 | 0 |
| Least Tern Sternula antillarum | Caspian Tern Hydroprogne caspia | 2 | 2 | 0 |
| American Redstart Setophaga ruticilla | Northern Parula Setophaga americana | 2 | 1 | 1 |
| Cape May Warbler Setophaga tigrina | Northern Parula Setophaga americana | 2 | 0 | 2 |
| Semipalmated Plover Charadrius semipalmatus | Siberian Sand Plover Anarhynchus mongolus | 2 | 0 | 2 |
| Smew Mergellus albellus | Hooded Merganser Lophodytes cucullatus | 2 | 1 | 1 |
| Caspian Tern Hydroprogne caspia | Black Tern Chlidonias niger | 2 | 0 | 2 |
| Whiskered Tern Chlidonias hybrida | White-winged Black Tern Chlidonias leucopterus | 2 | 1 | 1 |
| Common Woodpigeon Columba palumbus | Collared Dove Streptopelia decaocto | 2 | 1 | 1 |
| Spotted Redshank Tringa erythropus | Greater Yellowlegs Tringa melanoleuca | 2 | 0 | 2 |
| Rook Corvus frugilegus | Carrion Crow Corvus corone | 2 | 1 | 1 |
| Brown Shrike Lanius cristatus | Lesser Grey Shrike Lanius minor | 2 | 2 | 0 |
| Common Greenshank Tringa nebularia | Ruddy Turnstone Arenaria interpres | 2 | 1 | 1 |
| Common Greenshank Tringa nebularia | Sanderling Calidris alba | 2 | 2 | 0 |
| Common Greenshank Tringa nebularia | Purple Sandpiper Calidris maritima | 2 | 1 | 1 |
| Greater Scaup Aythya marila | Common Eider Somateria mollissima | 2 | 0 | 2 |
| Shore Lark Eremophila alpestris | Eurasian Skylark Alauda arvensis | 2 | 0 | 2 |
| Shore Lark Eremophila alpestris | Sedge Warbler Acrocephalus schoenobaenus | 2 | 1 | 1 |
| Common Redshank Tringa totanus | Common Greenshank Tringa nebularia | 2 | 1 | 1 |
| Scarlet Tanager Piranga olivacea | Rose-breasted Grosbeak Pheucticus ludovicianus | 1 | 1 | 0 |
| Snow Goose Anser caerulescens | Olive-backed Pipit Anthus hodgsoni | 1 | 0 | 1 |
| Greylag Goose Anser anser | Brent Goose Branta bernicla | 1 | 1 | 0 |
| Greylag Goose Anser anser | Yellowhammer Emberiza citrinella | 1 | 0 | 1 |
| Greater White-fronted Goose Anser albifrons | Barnacle Goose Branta leucopsis | 1 | 1 | 0 |
| Greater White-fronted Goose Anser albifrons | Common Eider Somateria mollissima | 1 | 0 | 1 |
| Greater White-fronted Goose Anser albifrons | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Greater White-fronted Goose Anser albifrons | Long-toed Stint Calidris subminuta | 1 | 0 | 1 |
| Greater White-fronted Goose Anser albifrons | Red-rumped Swallow Cecropis daurica | 1 | 0 | 1 |
| Pink-footed Goose Anser brachyrhynchus | Brent Goose Branta bernicla | 1 | 1 | 0 |
| Pink-footed Goose Anser brachyrhynchus | Barnacle Goose Branta leucopsis | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Whooper Swan Cygnus cygnus | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Black-legged Kittiwake Rissa tridactyla | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Great Northern Diver Gavia immer | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Northern Gannet Morus bassanus | 1 | 1 | 0 |
| Barnacle Goose Branta leucopsis | Canada Goose Branta canadensis | 1 | 0 | 1 |
| Barnacle Goose Branta leucopsis | Eurasian/Green-winged Teal Anas crecca | 1 | 0 | 1 |
| Barnacle Goose Branta leucopsis | Herring Gull Larus argentatus | 1 | 1 | 0 |
| Bewick's Swan Cygnus columbianus | Red-breasted Merganser Mergus serrator | 1 | 0 | 1 |
| Whooper Swan Cygnus cygnus | Common Shelduck Tadorna tadorna | 1 | 1 | 0 |
| Whooper Swan Cygnus cygnus | Tufted Duck Aythya fuligula | 1 | 0 | 1 |
| Ruddy Shelduck Tadorna ferruginea | Common Shelduck Tadorna tadorna | 1 | 0 | 1 |
| Ruddy Shelduck Tadorna ferruginea | Baikal Teal Sibirionetta formosa | 1 | 1 | 0 |
| Common Shelduck Tadorna tadorna | Blue-winged Teal Spatula discors | 1 | 1 | 0 |
| Common Shelduck Tadorna tadorna | Northern Shoveler Spatula clypeata | 1 | 1 | 0 |
| Common Shelduck Tadorna tadorna | Greater Scaup Aythya marila | 1 | 0 | 1 |
| Common Shelduck Tadorna tadorna | Water Rail Rallus aquaticus | 1 | 1 | 0 |
| Baikal Teal Sibirionetta formosa | Garganey Spatula querquedula | 1 | 1 | 0 |
| Baikal Teal Sibirionetta formosa | Eurasian/Green-winged Teal Anas crecca | 1 | 1 | 0 |
| Garganey Spatula querquedula | Northern Shoveler Spatula clypeata | 1 | 1 | 0 |
| Northern Shoveler Spatula clypeata | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Northern Shoveler Spatula clypeata | Common Guillemot Uria aalge | 1 | 0 | 1 |
| Northern Shoveler Spatula clypeata | Lapland Bunting Calcarius lapponicus | 1 | 0 | 1 |
| Gadwall Mareca strepera | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Gadwall Mareca strepera | Razorbill Alca torda | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | Northern Pintail Anas acuta | 1 | 0 | 1 |
| Eurasian Wigeon Mareca penelope | Common Pochard Aythya ferina | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | Tufted Duck Aythya fuligula | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | Common Goldeneye Bucephala clangula | 1 | 0 | 1 |
| Eurasian Wigeon Mareca penelope | Manx Shearwater Puffinus puffinus | 1 | 0 | 1 |
| Eurasian Wigeon Mareca penelope | Redwing Turdus iliacus | 1 | 1 | 0 |
| Mallard Anas platyrhynchos | American Black Duck Anas rubripes | 1 | 0 | 1 |
| Mallard Anas platyrhynchos | Common Moorhen Gallinula chloropus | 1 | 1 | 0 |
| Mallard Anas platyrhynchos | White-rumped Sandpiper Calidris fuscicollis | 1 | 0 | 1 |
| Northern Pintail Anas acuta | Red-crested Pochard Netta rufina | 1 | 0 | 1 |
| Northern Pintail Anas acuta | Greater Scaup Aythya marila | 1 | 1 | 0 |
| Northern Pintail Anas acuta | Red-breasted Merganser Mergus serrator | 1 | 0 | 1 |
| Northern Pintail Anas acuta | Great Crested Grebe Podiceps cristatus | 1 | 1 | 0 |
| Northern Pintail Anas acuta | Eurasian Blackcap Sylvia atricapilla | 1 | 0 | 1 |
| Northern Pintail Anas acuta | White-throated Dipper Cinclus cinclus | 1 | 1 | 0 |
| Eurasian/Green-winged Teal Anas crecca | Redhead Aythya americana | 1 | 0 | 1 |
| Eurasian/Green-winged Teal Anas crecca | Red-necked Grebe Podiceps grisegena | 1 | 1 | 0 |
| Eurasian/Green-winged Teal Anas crecca | Black-legged Kittiwake Rissa tridactyla | 1 | 1 | 0 |
| Red-crested Pochard Netta rufina | Redhead Aythya americana | 1 | 0 | 1 |
| Red-crested Pochard Netta rufina | Common Pochard Aythya ferina | 1 | 0 | 1 |
| Redhead Aythya americana | Ring-necked Duck Aythya collaris | 1 | 1 | 0 |
| Redhead Aythya americana | Eurasian Blackcap Sylvia atricapilla | 1 | 0 | 1 |
| Common Pochard Aythya ferina | Common Scoter Melanitta nigra | 1 | 1 | 0 |
| Common Pochard Aythya ferina | Goosander Mergus merganser | 1 | 0 | 1 |
| Ring-necked Duck Aythya collaris | Ferruginous Duck Aythya nyroca | 1 | 1 | 0 |
| Ring-necked Duck Aythya collaris | Black-headed Bunting Emberiza melanocephala | 1 | 1 | 0 |
| Ferruginous Duck Aythya nyroca | Tufted Duck Aythya fuligula | 1 | 0 | 1 |
| Tufted Duck Aythya fuligula | White-throated Dipper Cinclus cinclus | 1 | 1 | 0 |
| Greater Scaup Aythya marila | Goosander Mergus merganser | 1 | 0 | 1 |
| Greater Scaup Aythya marila | Red-breasted Merganser Mergus serrator | 1 | 0 | 1 |
| Greater Scaup Aythya marila | Great Crested Grebe Podiceps cristatus | 1 | 1 | 0 |
| King Eider Somateria spectabilis | Surf Scoter Melanitta perspicillata | 1 | 1 | 0 |
| Common Eider Somateria mollissima | Red-breasted Merganser Mergus serrator | 1 | 0 | 1 |
| Common Eider Somateria mollissima | Sanderling Calidris alba | 1 | 1 | 0 |
| Common Eider Somateria mollissima | Common Crossbill Loxia curvirostra | 1 | 1 | 0 |
| Surf Scoter Melanitta perspicillata | Velvet Scoter Melanitta fusca | 1 | 1 | 0 |
| White-winged Scoter Melanitta deglandi | Common Scoter Melanitta nigra | 1 | 0 | 1 |
| Stejneger's Scoter Melanitta stejnegeri | Common Scoter Melanitta nigra | 1 | 1 | 0 |
| Common Scoter Melanitta nigra | Long-tailed Duck Clangula hyemalis | 1 | 1 | 0 |
| Common Scoter Melanitta nigra | Willow Ptarmigan Lagopus lagopus | 1 | 1 | 0 |
| Common Scoter Melanitta nigra | Common Guillemot Uria aalge | 1 | 1 | 0 |
| Common Scoter Melanitta nigra | Black-legged Kittiwake Rissa tridactyla | 1 | 1 | 0 |
| Common Goldeneye Bucephala clangula | Goosander Mergus merganser | 1 | 0 | 1 |
| Goosander Mergus merganser | Common Quail Coturnix coturnix | 1 | 0 | 1 |
| Goosander Mergus merganser | Great Crested Grebe Podiceps cristatus | 1 | 1 | 0 |
| Goosander Mergus merganser | Common Redshank Tringa totanus | 1 | 1 | 0 |
| Red-breasted Merganser Mergus serrator | Willow Ptarmigan Lagopus lagopus | 1 | 0 | 1 |
| Willow Ptarmigan Lagopus lagopus | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Willow Ptarmigan Lagopus lagopus | European Golden Plover Pluvialis apricaria | 1 | 0 | 1 |
| Grey Partridge Perdix perdix | Collared Pratincole Glareola pratincola | 1 | 0 | 1 |
| Common Quail Coturnix coturnix | Little Grebe Tachybaptus ruficollis | 1 | 1 | 0 |
| Little Grebe Tachybaptus ruficollis | Black-necked Grebe Podiceps nigricollis | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Black Guillemot Cepphus grylle | 1 | 1 | 0 |
| Little Grebe Tachybaptus ruficollis | Razorbill Alca torda | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Great Northern Diver Gavia immer | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Spotted Flycatcher Muscicapa striata | 1 | 0 | 1 |
| Pied-billed Grebe Podilymbus podiceps | Red-necked Grebe Podiceps grisegena | 1 | 0 | 1 |
| Pied-billed Grebe Podilymbus podiceps | Great Crested Grebe Podiceps cristatus | 1 | 1 | 0 |
| Pied-billed Grebe Podilymbus podiceps | Black-necked Grebe Podiceps nigricollis | 1 | 0 | 1 |
| Red-necked Grebe Podiceps grisegena | Black-necked Grebe Podiceps nigricollis | 1 | 0 | 1 |
| Red-necked Grebe Podiceps grisegena | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Red-necked Grebe Podiceps grisegena | European Golden Plover Pluvialis apricaria | 1 | 0 | 1 |
| Rock Dove Columba livia | European Turtle Dove Streptopelia turtur | 1 | 1 | 0 |
| Common Woodpigeon Columba palumbus | Black-legged Kittiwake Rissa tridactyla | 1 | 0 | 1 |
| Collared Dove Streptopelia decaocto | Mourning Dove Zenaida macroura | 1 | 0 | 1 |
| Collared Dove Streptopelia decaocto | Eurasian Nightjar Caprimulgus europaeus | 1 | 0 | 1 |
| Great Spotted Cuckoo Clamator glandarius | Common Nighthawk Chordeiles minor | 1 | 1 | 0 |
| Common Cuckoo Cuculus canorus | Common Swift Apus apus | 1 | 0 | 1 |
| Common Cuckoo Cuculus canorus | Common Ringed Plover Charadrius hiaticula | 1 | 1 | 0 |
| Chimney Swift Chaetura pelagica | Alpine Swift Tachymarptis melba | 1 | 0 | 1 |
| Common Swift Apus apus | Barn Swallow Hirundo rustica | 1 | 0 | 1 |
| Water Rail Rallus aquaticus | Sora Porzana carolina | 1 | 0 | 1 |
| Water Rail Rallus aquaticus | Black-winged Stilt Himantopus himantopus | 1 | 1 | 0 |
| Water Rail Rallus aquaticus | Common Ringed Plover Charadrius hiaticula | 1 | 0 | 1 |
| Water Rail Rallus aquaticus | Common Redshank Tringa totanus | 1 | 0 | 1 |
| Sora Porzana carolina | Purple Gallinule Porphyrio martinica | 1 | 0 | 1 |
| Common Moorhen Gallinula chloropus | Common Raven Corvus corax | 1 | 0 | 1 |
| Eurasian Coot Fulica atra | Whimbrel Numenius phaeopus | 1 | 0 | 1 |
| Eurasian Coot Fulica atra | Common Tern Sterna hirundo | 1 | 0 | 1 |
| Black-winged Stilt Himantopus himantopus | Northern Lapwing Vanellus vanellus | 1 | 0 | 1 |
| Black-winged Stilt Himantopus himantopus | Common Tern Sterna hirundo | 1 | 1 | 0 |
| Eurasian Oystercatcher Haematopus ostralegus | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Eurasian Oystercatcher Haematopus ostralegus | Northern Lapwing Vanellus vanellus | 1 | 1 | 0 |
| Eurasian Oystercatcher Haematopus ostralegus | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Eurasian Oystercatcher Haematopus ostralegus | House Sparrow Passer domesticus | 1 | 0 | 1 |
| Grey Plover Pluvialis squatarola | American Golden Plover Pluvialis dominica | 1 | 0 | 1 |
| Grey Plover Pluvialis squatarola | Pacific Golden Plover Pluvialis fulva | 1 | 1 | 0 |
| Grey Plover Pluvialis squatarola | Manx Shearwater Puffinus puffinus | 1 | 1 | 0 |
| Grey Plover Pluvialis squatarola | Red-billed Chough Pyrrhocorax pyrrhocorax | 1 | 0 | 1 |
| European Golden Plover Pluvialis apricaria | Eurasian Dotterel Eudromias morinellus | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Common Sandpiper Actitis hypoleucos | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Sanderling Calidris alba | 1 | 0 | 1 |
| European Golden Plover Pluvialis apricaria | Black-legged Kittiwake Rissa tridactyla | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Sooty Shearwater Ardenna grisea | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Manx Shearwater Puffinus puffinus | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Northern Gannet Morus bassanus | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Willow Warbler Phylloscopus trochilus | 1 | 0 | 1 |
| Pacific Golden Plover Pluvialis fulva | Eurasian Dotterel Eudromias morinellus | 1 | 1 | 0 |
| Pacific Golden Plover Pluvialis fulva | Killdeer Charadrius vociferus | 1 | 1 | 0 |
| Eurasian Dotterel Eudromias morinellus | Killdeer Charadrius vociferus | 1 | 1 | 0 |
| Killdeer Charadrius vociferus | Common Ringed Plover Charadrius hiaticula | 1 | 1 | 0 |
| Common Ringed Plover Charadrius hiaticula | Eurasian Blackcap Sylvia atricapilla | 1 | 0 | 1 |
| Semipalmated Plover Charadrius semipalmatus | Kentish Plover Anarhynchus alexandrinus | 1 | 0 | 1 |
| Little Ringed Plover Thinornis dubius | Siberian Sand Plover Anarhynchus mongolus | 1 | 0 | 1 |
| Little Ringed Plover Thinornis dubius | Kentish Plover Anarhynchus alexandrinus | 1 | 0 | 1 |
| Northern Lapwing Vanellus vanellus | Black-headed Gull Chroicocephalus ridibundus | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | European Storm-Petrel Hydrobates pelagicus | 1 | 0 | 1 |
| Upland Sandpiper Bartramia longicauda | Eurasian Curlew Numenius arquata | 1 | 0 | 1 |
| Whimbrel Numenius phaeopus | Red-throated Diver Gavia stellata | 1 | 1 | 0 |
| Eurasian Curlew Numenius arquata | Black-tailed Godwit Limosa limosa | 1 | 0 | 1 |
| Eurasian Curlew Numenius arquata | Dunlin Calidris alpina | 1 | 0 | 1 |
| Eurasian Curlew Numenius arquata | Goldcrest Regulus regulus | 1 | 1 | 0 |
| Bar-tailed Godwit Limosa lapponica | Eurasian Woodcock Scolopax rusticola | 1 | 0 | 1 |
| Bar-tailed Godwit Limosa lapponica | Common Snipe Gallinago gallinago | 1 | 1 | 0 |
| Bar-tailed Godwit Limosa lapponica | Common Guillemot Uria aalge | 1 | 1 | 0 |
| Black-tailed Godwit Limosa limosa | Razorbill Alca torda | 1 | 1 | 0 |
| Black-tailed Godwit Limosa limosa | Common Guillemot Uria aalge | 1 | 1 | 0 |
| Hudsonian Godwit Limosa haemastica | Long-toed Stint Calidris subminuta | 1 | 1 | 0 |
| Long-billed Dowitcher Limnodromus scolopaceus | Common Snipe Gallinago gallinago | 1 | 1 | 0 |
| Long-billed Dowitcher Limnodromus scolopaceus | Wilson's Phalarope Phalaropus tricolor | 1 | 0 | 1 |
| Eurasian Woodcock Scolopax rusticola | Common Sandpiper Actitis hypoleucos | 1 | 1 | 0 |
| Eurasian Woodcock Scolopax rusticola | Great Northern Diver Gavia immer | 1 | 1 | 0 |
| Eurasian Woodcock Scolopax rusticola | Redwing Turdus iliacus | 1 | 1 | 0 |
| Common Snipe Gallinago gallinago | Common Greenshank Tringa nebularia | 1 | 1 | 0 |
| Common Snipe Gallinago gallinago | Purple Sandpiper Calidris maritima | 1 | 0 | 1 |
| Common Snipe Gallinago gallinago | Manx Shearwater Puffinus puffinus | 1 | 0 | 1 |
| Grey Phalarope Phalaropus fulicarius | Terek Sandpiper Xenus cinereus | 1 | 1 | 0 |
| Red-necked Phalarope Phalaropus lobatus | Wood Sandpiper Tringa glareola | 1 | 1 | 0 |
| Terek Sandpiper Xenus cinereus | Common Greenshank Tringa nebularia | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Marsh Sandpiper Tringa stagnatilis | 1 | 0 | 1 |
| Common Sandpiper Actitis hypoleucos | Temminck's Stint Calidris temminckii | 1 | 0 | 1 |
| Common Sandpiper Actitis hypoleucos | Sanderling Calidris alba | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Common Sandpiper Actitis hypoleucos | Great Shearwater Ardenna gravis | 1 | 1 | 0 |
| Green Sandpiper Tringa ochropus | Wood Sandpiper Tringa glareola | 1 | 1 | 0 |
| Marsh Sandpiper Tringa stagnatilis | Common Greenshank Tringa nebularia | 1 | 1 | 0 |
| Wood Sandpiper Tringa glareola | Common Redshank Tringa totanus | 1 | 0 | 1 |
| Wood Sandpiper Tringa glareola | Temminck's Stint Calidris temminckii | 1 | 0 | 1 |
| Lesser Yellowlegs Tringa flavipes | Spotted Redshank Tringa erythropus | 1 | 1 | 0 |
| Lesser Yellowlegs Tringa flavipes | Greater Yellowlegs Tringa melanoleuca | 1 | 1 | 0 |
| Greater Yellowlegs Tringa melanoleuca | Red Knot Calidris canutus | 1 | 1 | 0 |
| Ruddy Turnstone Arenaria interpres | Broad-billed Sandpiper Calidris falcinellus | 1 | 1 | 0 |
| Ruddy Turnstone Arenaria interpres | Western Sandpiper Calidris mauri | 1 | 0 | 1 |
| Ruddy Turnstone Arenaria interpres | Black Kite Milvus migrans | 1 | 1 | 0 |
| Ruddy Turnstone Arenaria interpres | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Ruddy Turnstone Arenaria interpres | Redwing Turdus iliacus | 1 | 0 | 1 |
| Ruddy Turnstone Arenaria interpres | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Red Knot Calidris canutus | Ruff Calidris pugnax | 1 | 1 | 0 |
| Red Knot Calidris canutus | Red-backed Shrike Lanius collurio | 1 | 1 | 0 |
| Red Knot Calidris canutus | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Red Knot Calidris canutus | Bohemian Waxwing Bombycilla garrulus | 1 | 0 | 1 |
| Sharp-tailed Sandpiper Calidris acuminata | Curlew Sandpiper Calidris ferruginea | 1 | 0 | 1 |
| Sharp-tailed Sandpiper Calidris acuminata | Temminck's Stint Calidris temminckii | 1 | 1 | 0 |
| Curlew Sandpiper Calidris ferruginea | Temminck's Stint Calidris temminckii | 1 | 1 | 0 |
| Curlew Sandpiper Calidris ferruginea | Baird's Sandpiper Calidris bairdii | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Least Sandpiper Calidris minutilla | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Pectoral Sandpiper Calidris melanotos | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Western Sandpiper Calidris mauri | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Semipalmated Sandpiper Calidris pusilla | 1 | 0 | 1 |
| Long-toed Stint Calidris subminuta | Red-necked Stint Calidris ruficollis | 1 | 0 | 1 |
| Long-toed Stint Calidris subminuta | Pectoral Sandpiper Calidris melanotos | 1 | 1 | 0 |
| Sanderling Calidris alba | Baird's Sandpiper Calidris bairdii | 1 | 1 | 0 |
| Sanderling Calidris alba | Great Shearwater Ardenna gravis | 1 | 0 | 1 |
| Dunlin Calidris alpina | Western Sandpiper Calidris mauri | 1 | 0 | 1 |
| Dunlin Calidris alpina | Arctic Skua Stercorarius parasiticus | 1 | 0 | 1 |
| Dunlin Calidris alpina | Manx Shearwater Puffinus puffinus | 1 | 1 | 0 |
| Dunlin Calidris alpina | Bohemian Waxwing Bombycilla garrulus | 1 | 1 | 0 |
| Purple Sandpiper Calidris maritima | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Little Stint Calidris minuta | Semipalmated Sandpiper Calidris pusilla | 1 | 0 | 1 |
| White-rumped Sandpiper Calidris fuscicollis | Western Sandpiper Calidris mauri | 1 | 0 | 1 |
| White-rumped Sandpiper Calidris fuscicollis | Semipalmated Sandpiper Calidris pusilla | 1 | 0 | 1 |
| Least Sandpiper Calidris minutilla | Semipalmated Sandpiper Calidris pusilla | 1 | 0 | 1 |
| Black-winged Pratincole Glareola nordmanni | Arctic Skua Stercorarius parasiticus | 1 | 0 | 1 |
| Black-winged Pratincole Glareola nordmanni | Pomarine Skua Stercorarius pomarinus | 1 | 0 | 1 |
| Black-winged Pratincole Glareola nordmanni | South Polar Skua Stercorarius maccormicki | 1 | 0 | 1 |
| Black-winged Pratincole Glareola nordmanni | Fea's Petrel Pterodroma feae | 1 | 1 | 0 |
| Arctic Skua Stercorarius parasiticus | South Polar Skua Stercorarius maccormicki | 1 | 1 | 0 |
| Arctic Skua Stercorarius parasiticus | Mediterranean Gull Ichthyaetus melanocephalus | 1 | 1 | 0 |
| Pomarine Skua Stercorarius pomarinus | Great Skua Stercorarius skua | 1 | 0 | 1 |
| Great Skua Stercorarius skua | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Great Skua Stercorarius skua | Cory's Shearwater Calonectris diomedea | 1 | 1 | 0 |
| Atlantic Puffin Fratercula arctica | Common Guillemot Uria aalge | 1 | 1 | 0 |
| Black Guillemot Cepphus grylle | Lesser Black-backed Gull Larus fuscus | 1 | 1 | 0 |
| Black Guillemot Cepphus grylle | Black-throated Diver Gavia arctica | 1 | 1 | 0 |
| Black Guillemot Cepphus grylle | Cory's Shearwater Calonectris diomedea | 1 | 1 | 0 |
| Black Guillemot Cepphus grylle | Sooty Shearwater Ardenna grisea | 1 | 0 | 1 |
| Common Guillemot Uria aalge | Leach's Storm-Petrel Hydrobates leucorhous | 1 | 1 | 0 |
| Little Gull Hydrocoloeus minutus | Ross's Gull Rhodostethia rosea | 1 | 1 | 0 |
| Little Gull Hydrocoloeus minutus | Black-legged Kittiwake Rissa tridactyla | 1 | 0 | 1 |
| Little Gull Hydrocoloeus minutus | Ivory Gull Pagophila eburnea | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Herring Gull Larus argentatus | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Great Black-backed Gull Larus marinus | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Leach's Storm-Petrel Hydrobates leucorhous | 1 | 0 | 1 |
| Ivory Gull Pagophila eburnea | Sabine's Gull Xema sabini | 1 | 1 | 0 |
| Ivory Gull Pagophila eburnea | Bonaparte's Gull Chroicocephalus philadelphia | 1 | 1 | 0 |
| Sabine's Gull Xema sabini | Bonaparte's Gull Chroicocephalus philadelphia | 1 | 1 | 0 |
| Sabine's Gull Xema sabini | Black-headed Gull Chroicocephalus ridibundus | 1 | 1 | 0 |
| Sabine's Gull Xema sabini | Ring-billed Gull Larus delawarensis | 1 | 0 | 1 |
| Black-headed Gull Chroicocephalus ridibundus | Manx Shearwater Puffinus puffinus | 1 | 0 | 1 |
| Mediterranean Gull Ichthyaetus melanocephalus | Herring Gull Larus argentatus | 1 | 0 | 1 |
| Common Gull Larus canus | Great Black-backed Gull Larus marinus | 1 | 0 | 1 |
| Herring Gull Larus argentatus | Glaucous Gull Larus hyperboreus | 1 | 1 | 0 |
| Yellow-legged Gull Larus michahellis | Glaucous Gull Larus hyperboreus | 1 | 1 | 0 |
| Yellow-legged Gull Larus michahellis | Lesser Black-backed Gull Larus fuscus | 1 | 1 | 0 |
| Lesser Black-backed Gull Larus fuscus | Iceland Gull Larus glaucoides | 1 | 1 | 0 |
| Glaucous-winged Gull Larus glaucescens | Slaty-backed Gull Larus schistisagus | 1 | 0 | 1 |
| Little Tern Sternula albifrons | Caspian Tern Hydroprogne caspia | 1 | 1 | 0 |
| Little Tern Sternula albifrons | Elegant Tern Thalasseus elegans | 1 | 0 | 1 |
| Little Tern Sternula albifrons | Coal Tit Periparus ater | 1 | 1 | 0 |
| Gull-billed Tern Gelochelidon nilotica | Whiskered Tern Chlidonias hybrida | 1 | 0 | 1 |
| Gull-billed Tern Gelochelidon nilotica | Roseate Tern Sterna dougallii | 1 | 1 | 0 |
| White-winged Black Tern Chlidonias leucopterus | Forster's Tern Sterna forsteri | 1 | 0 | 1 |
| White-winged Black Tern Chlidonias leucopterus | Common Tern Sterna hirundo | 1 | 1 | 0 |
| Arctic Tern Sterna paradisaea | Shore Lark Eremophila alpestris | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Royal Tern Thalasseus maximus | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Leach's Storm-Petrel Hydrobates leucorhous | 1 | 1 | 0 |
| Roseate Tern Sterna dougallii | Lesser Crested Tern Thalasseus bengalensis | 1 | 0 | 1 |
| Sandwich Tern Thalasseus sandvicensis | Royal Tern Thalasseus maximus | 1 | 0 | 1 |
| Sandwich Tern Thalasseus sandvicensis | Red-throated Diver Gavia stellata | 1 | 0 | 1 |
| Sandwich Tern Thalasseus sandvicensis | Western House Martin Delichon urbicum | 1 | 1 | 0 |
| Pacific Diver Gavia pacifica | White-billed Diver Gavia adamsii | 1 | 1 | 0 |
| Great Northern Diver Gavia immer | European Storm-Petrel Hydrobates pelagicus | 1 | 1 | 0 |
| Great Northern Diver Gavia immer | Bohemian Waxwing Bombycilla garrulus | 1 | 0 | 1 |
| Black-browed Albatross Thalassarche melanophris | Northern Fulmar Fulmarus glacialis | 1 | 1 | 0 |
| Wilson's Storm-Petrel Oceanites oceanicus | Northern Fulmar Fulmarus glacialis | 1 | 1 | 0 |
| European Storm-Petrel Hydrobates pelagicus | Northern Fulmar Fulmarus glacialis | 1 | 0 | 1 |
| Leach's Storm-Petrel Hydrobates leucorhous | Great Shearwater Ardenna gravis | 1 | 1 | 0 |
| Northern Fulmar Fulmarus glacialis | Fea's Petrel Pterodroma feae | 1 | 0 | 1 |
| Northern Fulmar Fulmarus glacialis | Bermuda Petrel Pterodroma cahow | 1 | 0 | 1 |
| Northern Fulmar Fulmarus glacialis | Sooty Shearwater Ardenna grisea | 1 | 0 | 1 |
| Northern Fulmar Fulmarus glacialis | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Fea's Petrel Pterodroma feae | Sooty Shearwater Ardenna grisea | 1 | 1 | 0 |
| Bermuda Petrel Pterodroma cahow | Barolo Shearwater Puffinus baroli | 1 | 1 | 0 |
| Sooty Shearwater Ardenna grisea | Manx Shearwater Puffinus puffinus | 1 | 1 | 0 |
| Sooty Shearwater Ardenna grisea | Balearic Shearwater Puffinus mauretanicus | 1 | 0 | 1 |
| Sooty Shearwater Ardenna grisea | Great Cormorant Phalacrocorax carbo | 1 | 0 | 1 |
| Sooty Shearwater Ardenna grisea | Shore Lark Eremophila alpestris | 1 | 0 | 1 |
| Manx Shearwater Puffinus puffinus | Northern Gannet Morus bassanus | 1 | 0 | 1 |
| Manx Shearwater Puffinus puffinus | European Shag Gulosus aristotelis | 1 | 0 | 1 |
| Northern Gannet Morus bassanus | European Shag Gulosus aristotelis | 1 | 0 | 1 |
| Northern Gannet Morus bassanus | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Great Cormorant Phalacrocorax carbo | Great White Egret Ardea alba | 1 | 0 | 1 |
| Eurasian Bittern Botaurus stellaris | Little Bittern Botaurus minutus | 1 | 0 | 1 |
| American Bittern Botaurus lentiginosus | Black-crowned Night Heron Nycticorax nycticorax | 1 | 1 | 0 |
| Little Bittern Botaurus minutus | Little Blue Heron Egretta caerulea | 1 | 1 | 0 |
| Yellow-crowned Night Heron Nyctanassa violacea | Black-crowned Night Heron Nycticorax nycticorax | 1 | 1 | 0 |
| Yellow-crowned Night Heron Nyctanassa violacea | Little Blue Heron Egretta caerulea | 1 | 0 | 1 |
| Green Heron Butorides virescens | Western Cattle-Egret Ardea ibis | 1 | 1 | 0 |
| Green Heron Butorides virescens | Grey Heron Ardea cinerea | 1 | 0 | 1 |
| Squacco Heron Ardeola ralloides | Western Cattle-Egret Ardea ibis | 1 | 1 | 0 |
| Squacco Heron Ardeola ralloides | Purple Heron Ardea purpurea | 1 | 0 | 1 |
| Great White Egret Ardea alba | Grey Heron Ardea cinerea | 1 | 1 | 0 |
| Grey Heron Ardea cinerea | Purple Heron Ardea purpurea | 1 | 0 | 1 |
| Egyptian Vulture Neophron percnopterus | European Honey-buzzard Pernis apivorus | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Hen Harrier Circus cyaneus | 1 | 0 | 1 |
| Western Marsh Harrier Circus aeruginosus | Northern Harrier Circus hudsonius | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Pallid Harrier Circus macrourus | 1 | 1 | 0 |
| Northern Harrier Circus hudsonius | Common Buzzard Buteo buteo | 1 | 1 | 0 |
| Pallid Harrier Circus macrourus | Montagu's Harrier Circus pygargus | 1 | 1 | 0 |
| Eurasian Goshawk Astur gentilis | White-tailed Eagle Haliaeetus albicilla | 1 | 1 | 0 |
| Eurasian Goshawk Astur gentilis | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| White-tailed Eagle Haliaeetus albicilla | Bald Eagle Haliaeetus leucocephalus | 1 | 0 | 1 |
| Rough-legged Buzzard Buteo lagopus | Gyr Falcon Falco rusticolus | 1 | 0 | 1 |
| Eurasian Scops Owl Otus scops | Long-eared Owl Asio otus | 1 | 1 | 0 |
| Eurasian Scops Owl Otus scops | Common Kestrel Falco tinnunculus | 1 | 0 | 1 |
| Common Hoopoe Upupa epops | Belted Kingfisher Megaceryle alcyon | 1 | 0 | 1 |
| Common Kingfisher Alcedo atthis | Belted Kingfisher Megaceryle alcyon | 1 | 1 | 0 |
| European Roller Coracias garrulus | Eurasian Wryneck Jynx torquilla | 1 | 0 | 1 |
| Yellow-bellied Sapsucker Sphyrapicus varius | Great Spotted Woodpecker Dendrocopos major | 1 | 1 | 0 |
| Common Kestrel Falco tinnunculus | Merlin Falco columbarius | 1 | 0 | 1 |
| Common Kestrel Falco tinnunculus | Eurasian Hobby Falco subbuteo | 1 | 0 | 1 |
| Red-footed Falcon Falco vespertinus | Merlin Falco columbarius | 1 | 0 | 1 |
| Red-footed Falcon Falco vespertinus | Eurasian Hobby Falco subbuteo | 1 | 0 | 1 |
| Merlin Falco columbarius | Peregrine Falcon Falco peregrinus | 1 | 0 | 1 |
| Alder Flycatcher Empidonax alnorum | Eastern Kingbird Tyrannus tyrannus | 1 | 1 | 0 |
| Alder Flycatcher Empidonax alnorum | Philadelphia Vireo Vireo philadelphicus | 1 | 0 | 1 |
| Alder Flycatcher Empidonax alnorum | American Redstart Setophaga ruticilla | 1 | 0 | 1 |
| Eastern Kingbird Tyrannus tyrannus | Isabelline Shrike Lanius isabellinus | 1 | 1 | 0 |
| Philadelphia Vireo Vireo philadelphicus | Eurasian Golden Oriole Oriolus oriolus | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Isabelline Shrike Lanius isabellinus | 1 | 0 | 1 |
| Red-backed Shrike Lanius collurio | Brown Shrike Lanius cristatus | 1 | 0 | 1 |
| Red-backed Shrike Lanius collurio | Lesser Grey Shrike Lanius minor | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Eurasian Jay Garrulus glandarius | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Red-billed Chough Pyrrhocorax pyrrhocorax | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Common Crossbill Loxia curvirostra | 1 | 1 | 0 |
| Brown Shrike Lanius cristatus | Woodchat Shrike Lanius senator | 1 | 0 | 1 |
| Lesser Grey Shrike Lanius minor | Woodchat Shrike Lanius senator | 1 | 0 | 1 |
| Eurasian Jay Garrulus glandarius | Eurasian Jackdaw Coloeus monedula | 1 | 1 | 0 |
| Common Magpie Pica pica | Eurasian Jackdaw Coloeus monedula | 1 | 0 | 1 |
| Eurasian Jackdaw Coloeus monedula | Common Raven Corvus corax | 1 | 0 | 1 |
| Carrion Crow Corvus corone | Hooded Crow Corvus cornix | 1 | 1 | 0 |
| Hooded Crow Corvus cornix | Common Raven Corvus corax | 1 | 0 | 1 |
| Coal Tit Periparus ater | Eurasian Blue Tit Cyanistes caeruleus | 1 | 0 | 1 |
| Eurasian Blue Tit Cyanistes caeruleus | Dunnock Prunella modularis | 1 | 1 | 0 |
| Great Tit Parus major | Long-tailed Tit Aegithalos caudatus | 1 | 1 | 0 |
| Great Tit Parus major | European Greenfinch Chloris chloris | 1 | 1 | 0 |
| Great Tit Parus major | Common Reed Bunting Emberiza schoeniclus | 1 | 0 | 1 |
| Eurasian Penduline Tit Remiz pendulinus | Woodlark Lullula arborea | 1 | 1 | 0 |
| Shore Lark Eremophila alpestris | Goldcrest Regulus regulus | 1 | 1 | 0 |
| Shore Lark Eremophila alpestris | Northern Wheatear Oenanthe oenanthe | 1 | 1 | 0 |
| Shore Lark Eremophila alpestris | Bohemian Waxwing Bombycilla garrulus | 1 | 1 | 0 |
| Eurasian Skylark Alauda arvensis | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Eurasian Skylark Alauda arvensis | Fieldfare Turdus pilaris | 1 | 0 | 1 |
| Eurasian Skylark Alauda arvensis | Common Reed Bunting Emberiza schoeniclus | 1 | 1 | 0 |
| Bearded Tit Panurus biarmicus | Snow Bunting Plectrophenax nivalis | 1 | 0 | 1 |
| Booted Warbler Iduna caligata | Icterine Warbler Hippolais icterina | 1 | 1 | 0 |
| Sykes's Warbler Iduna rama | Melodious Warbler Hippolais polyglotta | 1 | 0 | 1 |
| Eastern Olivaceous Warbler Iduna pallida | Icterine Warbler Hippolais icterina | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Aquatic Warbler Acrocephalus paludicola | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Melodious Warbler Hippolais polyglotta | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Icterine Warbler Hippolais icterina | Paddyfield Warbler Acrocephalus agricola | 1 | 0 | 1 |
| Icterine Warbler Hippolais icterina | Wood Warbler Phylloscopus sibilatrix | 1 | 1 | 0 |
| Icterine Warbler Hippolais icterina | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Sedge Warbler Acrocephalus schoenobaenus | Great Reed Warbler Acrocephalus arundinaceus | 1 | 0 | 1 |
| Sedge Warbler Acrocephalus schoenobaenus | European Stonechat Saxicola rubicola | 1 | 1 | 0 |
| Paddyfield Warbler Acrocephalus agricola | Blyth's Reed Warbler Acrocephalus dumetorum | 1 | 0 | 1 |
| Paddyfield Warbler Acrocephalus agricola | Marsh Warbler Acrocephalus palustris | 1 | 1 | 0 |
| Blyth's Reed Warbler Acrocephalus dumetorum | Common Reed Warbler Acrocephalus scirpaceus | 1 | 1 | 0 |
| Common Reed Warbler Acrocephalus scirpaceus | Pallas's Grasshopper Warbler Helopsaltes certhiola | 1 | 0 | 1 |
| Common Reed Warbler Acrocephalus scirpaceus | Savi's Warbler Locustella luscinioides | 1 | 0 | 1 |
| Great Reed Warbler Acrocephalus arundinaceus | Common Grasshopper Warbler Locustella naevia | 1 | 0 | 1 |
| Great Reed Warbler Acrocephalus arundinaceus | Lesser Whitethroat Curruca curruca | 1 | 1 | 0 |
| Great Reed Warbler Acrocephalus arundinaceus | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Olive-backed Pipit Anthus hodgsoni | 1 | 0 | 1 |
| Common Grasshopper Warbler Locustella naevia | Common Firecrest Regulus ignicapilla | 1 | 0 | 1 |
| Common Grasshopper Warbler Locustella naevia | Rock Pipit Anthus petrosus | 1 | 1 | 0 |
| Sand Martin Riparia riparia | Cliff Swallow Petrochelidon pyrrhonota | 1 | 1 | 0 |
| Barn Swallow Hirundo rustica | Meadow Pipit Anthus pratensis | 1 | 1 | 0 |
| Western House Martin Delichon urbicum | Cliff Swallow Petrochelidon pyrrhonota | 1 | 0 | 1 |
| Western House Martin Delichon urbicum | House Sparrow Passer domesticus | 1 | 1 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Hume's Warbler Phylloscopus humei | 1 | 1 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Pallas's Warbler Phylloscopus proregulus | 1 | 1 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Western Bonelli's Warbler Phylloscopus bonelli | Pallas's Warbler Phylloscopus proregulus | 1 | 1 | 0 |
| Hume's Warbler Phylloscopus humei | Pallas's Warbler Phylloscopus proregulus | 1 | 0 | 1 |
| Hume's Warbler Phylloscopus humei | Radde's Warbler Phylloscopus schwarzi | 1 | 0 | 1 |
| Hume's Warbler Phylloscopus humei | Dusky Warbler Phylloscopus fuscatus | 1 | 1 | 0 |
| Hume's Warbler Phylloscopus humei | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Pallas's Warbler Phylloscopus proregulus | Radde's Warbler Phylloscopus schwarzi | 1 | 0 | 1 |
| Pallas's Warbler Phylloscopus proregulus | Western Black-eared Wheatear Oenanthe hispanica | 1 | 0 | 1 |
| Radde's Warbler Phylloscopus schwarzi | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Radde's Warbler Phylloscopus schwarzi | Canada Warbler Cardellina canadensis | 1 | 0 | 1 |
| Dusky Warbler Phylloscopus fuscatus | Willow Warbler Phylloscopus trochilus | 1 | 0 | 1 |
| Willow Warbler Phylloscopus trochilus | European Greenfinch Chloris chloris | 1 | 1 | 0 |
| Willow Warbler Phylloscopus trochilus | Common Linnet Linaria cannabina | 1 | 0 | 1 |
| Willow Warbler Phylloscopus trochilus | Common Yellowthroat Geothlypis trichas | 1 | 0 | 1 |
| Common Chiffchaff Phylloscopus collybita | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Common Chiffchaff Phylloscopus collybita | Common Linnet Linaria cannabina | 1 | 0 | 1 |
| Arctic Warbler Phylloscopus borealis | Cetti's Warbler Cettia cetti | 1 | 0 | 1 |
| Cetti's Warbler Cettia cetti | Eurasian Blackcap Sylvia atricapilla | 1 | 1 | 0 |
| Cetti's Warbler Cettia cetti | Yellow-rumped Warbler Setophaga coronata | 1 | 0 | 1 |
| Eurasian Blackcap Sylvia atricapilla | Goldcrest Regulus regulus | 1 | 0 | 1 |
| Eurasian Blackcap Sylvia atricapilla | Common Firecrest Regulus ignicapilla | 1 | 1 | 0 |
| Garden Warbler Sylvia borin | Sardinian Warbler Curruca melanocephala | 1 | 1 | 0 |
| Garden Warbler Sylvia borin | Western Subalpine Warbler Curruca iberiae | 1 | 1 | 0 |
| Barred Warbler Curruca nisoria | Lesser Whitethroat Curruca curruca | 1 | 1 | 0 |
| Barred Warbler Curruca nisoria | Western Subalpine Warbler Curruca iberiae | 1 | 1 | 0 |
| Lesser Whitethroat Curruca curruca | Western Subalpine Warbler Curruca iberiae | 1 | 1 | 0 |
| Sardinian Warbler Curruca melanocephala | Eastern Subalpine Warbler Curruca cantillans | 1 | 1 | 0 |
| Sardinian Warbler Curruca melanocephala | Dartford Warbler Curruca undata | 1 | 1 | 0 |
| Western Subalpine Warbler Curruca iberiae | European Pied Flycatcher Ficedula hypoleuca | 1 | 0 | 1 |
| Common Whitethroat Curruca communis | Spotted Flycatcher Muscicapa striata | 1 | 0 | 1 |
| Common Whitethroat Curruca communis | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Common Whitethroat Curruca communis | Pied Wagtail/White Wagtail Motacilla alba | 1 | 1 | 0 |
| Common Whitethroat Curruca communis | Meadow Pipit Anthus pratensis | 1 | 1 | 0 |
| Goldcrest Regulus regulus | Eurasian Treecreeper Certhia familiaris | 1 | 1 | 0 |
| Goldcrest Regulus regulus | Dunnock Prunella modularis | 1 | 1 | 0 |
| Goldcrest Regulus regulus | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Common Firecrest Regulus ignicapilla | Eurasian Treecreeper Certhia familiaris | 1 | 0 | 1 |
| Common Firecrest Regulus ignicapilla | Eurasian Wren Troglodytes troglodytes | 1 | 0 | 1 |
| Common Firecrest Regulus ignicapilla | Spotted Flycatcher Muscicapa striata | 1 | 0 | 1 |
| Common Firecrest Regulus ignicapilla | American Redstart Setophaga ruticilla | 1 | 0 | 1 |
| Eurasian Wren Troglodytes troglodytes | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Common Starling Sturnus vulgaris | Rose-coloured Starling Pastor roseus | 1 | 1 | 0 |
| Common Starling Sturnus vulgaris | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| Rose-coloured Starling Pastor roseus | Grey-cheeked Thrush Catharus minimus | 1 | 1 | 0 |
| Veery Catharus fuscescens | Tawny Pipit Anthus campestris | 1 | 1 | 0 |
| Grey-cheeked Thrush Catharus minimus | Swainson's Thrush Catharus ustulatus | 1 | 1 | 0 |
| Grey-cheeked Thrush Catharus minimus | Song Thrush Turdus philomelos | 1 | 1 | 0 |
| Swainson's Thrush Catharus ustulatus | Song Thrush Turdus philomelos | 1 | 1 | 0 |
| Song Thrush Turdus philomelos | Redwing Turdus iliacus | 1 | 0 | 1 |
| Song Thrush Turdus philomelos | Ovenbird Seiurus aurocapilla | 1 | 0 | 1 |
| Redwing Turdus iliacus | Eurasian Blackbird Turdus merula | 1 | 0 | 1 |
| Redwing Turdus iliacus | Dunnock Prunella modularis | 1 | 1 | 0 |
| Redwing Turdus iliacus | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Redwing Turdus iliacus | Northern Waterthrush Parkesia noveboracensis | 1 | 0 | 1 |
| Eurasian Blackbird Turdus merula | Ring Ouzel Turdus torquatus | 1 | 1 | 0 |
| Eurasian Blackbird Turdus merula | Dunnock Prunella modularis | 1 | 1 | 0 |
| Fieldfare Turdus pilaris | Northern Wheatear Oenanthe oenanthe | 1 | 0 | 1 |
| Fieldfare Turdus pilaris | Lapland Bunting Calcarius lapponicus | 1 | 0 | 1 |
| Spotted Flycatcher Muscicapa striata | European Robin Erithacus rubecula | 1 | 0 | 1 |
| Spotted Flycatcher Muscicapa striata | Common Nightingale Luscinia megarhynchos | 1 | 1 | 0 |
| Spotted Flycatcher Muscicapa striata | European Stonechat Saxicola rubicola | 1 | 1 | 0 |
| European Robin Erithacus rubecula | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Common Nightingale Luscinia megarhynchos | Taiga Flycatcher Ficedula albicilla | 1 | 1 | 0 |
| Bluethroat Luscinia svecica | Red-flanked Bluetail Tarsiger cyanurus | 1 | 1 | 0 |
| Red-flanked Bluetail Tarsiger cyanurus | Taiga Flycatcher Ficedula albicilla | 1 | 0 | 1 |
| Red-breasted Flycatcher Ficedula parva | Common Redstart Phoenicurus phoenicurus | 1 | 0 | 1 |
| Common Redstart Phoenicurus phoenicurus | Whinchat Saxicola rubetra | 1 | 1 | 0 |
| Common Redstart Phoenicurus phoenicurus | Pied Wheatear Oenanthe pleschanka | 1 | 0 | 1 |
| Black Redstart Phoenicurus ochruros | Common Rock Thrush Monticola saxatilis | 1 | 1 | 0 |
| Common Rock Thrush Monticola saxatilis | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Common Rock Thrush Monticola saxatilis | Siberian Stonechat Saxicola maurus | 1 | 1 | 0 |
| Whinchat Saxicola rubetra | Northern Wheatear Oenanthe oenanthe | 1 | 1 | 0 |
| European Stonechat Saxicola rubicola | Isabelline Wheatear Oenanthe isabellina | 1 | 1 | 0 |
| European Stonechat Saxicola rubicola | Bohemian Waxwing Bombycilla garrulus | 1 | 0 | 1 |
| European Stonechat Saxicola rubicola | Lapland Bunting Calcarius lapponicus | 1 | 0 | 1 |
| Siberian Stonechat Saxicola maurus | Western Black-eared Wheatear Oenanthe hispanica | 1 | 0 | 1 |
| Northern Wheatear Oenanthe oenanthe | Western Black-eared Wheatear Oenanthe hispanica | 1 | 0 | 1 |
| Northern Wheatear Oenanthe oenanthe | Dunnock Prunella modularis | 1 | 0 | 1 |
| Northern Wheatear Oenanthe oenanthe | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Isabelline Wheatear Oenanthe isabellina | Desert Wheatear Oenanthe deserti | 1 | 1 | 0 |
| Desert Wheatear Oenanthe deserti | Pied Wheatear Oenanthe pleschanka | 1 | 1 | 0 |
| Western Black-eared Wheatear Oenanthe hispanica | Eastern Yellow Wagtail Motacilla tschutschensis | 1 | 0 | 1 |
| Dunnock Prunella modularis | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| House Sparrow Passer domesticus | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Eurasian Tree Sparrow Passer montanus | Grey Wagtail Motacilla cinerea | 1 | 1 | 0 |
| Grey Wagtail Motacilla cinerea | Eastern Yellow Wagtail Motacilla tschutschensis | 1 | 1 | 0 |
| Grey Wagtail Motacilla cinerea | Rock Pipit Anthus petrosus | 1 | 0 | 1 |
| Eastern Yellow Wagtail Motacilla tschutschensis | Northern Waterthrush Parkesia noveboracensis | 1 | 1 | 0 |
| Citrine Wagtail Motacilla citreola | Yellow-rumped Warbler Setophaga coronata | 1 | 0 | 1 |
| Tawny Pipit Anthus campestris | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Tree Pipit Anthus trivialis | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Red-throated Pipit Anthus cervinus | 1 | 0 | 1 |
| Olive-backed Pipit Anthus hodgsoni | Rock Pipit Anthus petrosus | 1 | 0 | 1 |
| Pechora Pipit Anthus gustavi | Water Pipit Anthus spinoletta | 1 | 0 | 1 |
| Red-throated Pipit Anthus cervinus | Water Pipit Anthus spinoletta | 1 | 1 | 0 |
| Red-throated Pipit Anthus cervinus | Rock Pipit Anthus petrosus | 1 | 1 | 0 |
| Water Pipit Anthus spinoletta | Rock Pipit Anthus petrosus | 1 | 0 | 1 |
| Rock Pipit Anthus petrosus | Common Reed Bunting Emberiza schoeniclus | 1 | 1 | 0 |
| Rock Pipit Anthus petrosus | Northern Waterthrush Parkesia noveboracensis | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Hawfinch Coccothraustes coccothraustes | 1 | 1 | 0 |
| Common Chaffinch Fringilla coelebs | Eurasian Bullfinch Pyrrhula pyrrhula | 1 | 1 | 0 |
| Brambling Fringilla montifringilla | Common Linnet Linaria cannabina | 1 | 1 | 0 |
| Brambling Fringilla montifringilla | Rose-breasted Grosbeak Pheucticus ludovicianus | 1 | 0 | 1 |
| European Greenfinch Chloris chloris | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Common Linnet Linaria cannabina | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Common Linnet Linaria cannabina | Lapland Bunting Calcarius lapponicus | 1 | 0 | 1 |
| Common Redpoll Acanthis flammea | Common Crossbill Loxia curvirostra | 1 | 1 | 0 |
| Lesser Redpoll Acanthis cabaret | Common Crossbill Loxia curvirostra | 1 | 1 | 0 |
| European Goldfinch Carduelis carduelis | Lapland Bunting Calcarius lapponicus | 1 | 0 | 1 |
| European Serin Serinus serinus | Yellowhammer Emberiza citrinella | 1 | 1 | 0 |
| Lapland Bunting Calcarius lapponicus | Yellowhammer Emberiza citrinella | 1 | 0 | 1 |
| Black-headed Bunting Emberiza melanocephala | Ortolan Bunting Emberiza hortulana | 1 | 1 | 0 |
| Pine Bunting Emberiza leucocephalos | Common Reed Bunting Emberiza schoeniclus | 1 | 1 | 0 |
| Little Bunting Emberiza pusilla | White-crowned Sparrow Zonotrichia leucophrys | 1 | 0 | 1 |
| Rustic Bunting Emberiza rustica | White-crowned Sparrow Zonotrichia leucophrys | 1 | 0 | 1 |
| Rustic Bunting Emberiza rustica | White-throated Sparrow Zonotrichia albicollis | 1 | 0 | 1 |
| Dark-eyed Junco Junco hyemalis | White-throated Sparrow Zonotrichia albicollis | 1 | 0 | 1 |
| Dark-eyed Junco Junco hyemalis | Bobolink Dolichonyx oryzivorus | 1 | 1 | 0 |
| White-throated Sparrow Zonotrichia albicollis | Red-winged Blackbird Agelaius phoeniceus | 1 | 0 | 1 |
| White-throated Sparrow Zonotrichia albicollis | Ovenbird Seiurus aurocapilla | 1 | 0 | 1 |
| Bobolink Dolichonyx oryzivorus | Ovenbird Seiurus aurocapilla | 1 | 1 | 0 |
| Red-winged Blackbird Agelaius phoeniceus | Ovenbird Seiurus aurocapilla | 1 | 1 | 0 |
| Ovenbird Seiurus aurocapilla | Blue-winged Warbler Vermivora cyanoptera | 1 | 0 | 1 |
| Ovenbird Seiurus aurocapilla | Common Yellowthroat Geothlypis trichas | 1 | 1 | 0 |
| Northern Waterthrush Parkesia noveboracensis | Tennessee Warbler Leiothlypis peregrina | 1 | 1 | 0 |
| Black-and-white Warbler Mniotilta varia | Blackpoll Warbler Setophaga striata | 1 | 1 | 0 |
| Common Yellowthroat Geothlypis trichas | Cape May Warbler Setophaga tigrina | 1 | 0 | 1 |
| Common Yellowthroat Geothlypis trichas | Yellow-rumped Warbler Setophaga coronata | 1 | 1 | 0 |
| American Redstart Setophaga ruticilla | Cape May Warbler Setophaga tigrina | 1 | 1 | 0 |
| Cape May Warbler Setophaga tigrina | Blackpoll Warbler Setophaga striata | 1 | 1 | 0 |
| Northern Parula Setophaga americana | Blackpoll Warbler Setophaga striata | 1 | 0 | 1 |
| Northern Parula Setophaga americana | Yellow-rumped Warbler Setophaga coronata | 1 | 0 | 1 |
| Northern Parula Setophaga americana | Wilson's Warbler Cardellina pusilla | 1 | 0 | 1 |
| Yellow Warbler Setophaga petechia | Yellow-rumped Warbler Setophaga coronata | 1 | 0 | 1 |
| Wilson's Warbler Cardellina pusilla | Rose-breasted Grosbeak Pheucticus ludovicianus | 1 | 0 | 1 |
| Snow Goose Anser caerulescens | Tundra Bean Goose Anser serrirostris | 1 | 1 | 0 |