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 |
|---|---|---|---|---|
| Little Blue Heron Egretta caerulea | Reddish Egret Egretta rufescens | 2 | 0 | 2 |
| Cinnamon Teal Spatula cyanoptera | Gadwall Mareca strepera | 1 | 1 | 0 |
| Ruby-throated Hummingbird Archilochus colubris | Wedge-tailed Sabrewing Pampa curvipennis | 1 | 1 | 0 |
| White-rumped Sandpiper Calidris fuscicollis | Semipalmated Sandpiper Calidris pusilla | 1 | 1 | 0 |
| Black Skimmer Rynchops niger | Sooty Tern Onychoprion fuscatus | 1 | 0 | 1 |
| Brown Noddy Anous stolidus | Sooty Tern Onychoprion fuscatus | 1 | 1 | 0 |
| Lesson's Motmot Momotus lessonii | Turquoise-browed Motmot Eumomota superciliosa | 1 | 0 | 1 |
| Dusky-capped Flycatcher Myiarchus tuberculifer | Great Crested Flycatcher Myiarchus crinitus | 1 | 0 | 1 |
| Brown-crested Flycatcher Myiarchus tyrannulus | Boat-billed Flycatcher Megarynchus pitangua | 1 | 1 | 0 |
| Great Kiskadee Pitangus sulphuratus | Social Flycatcher Myiozetetes similis | 1 | 0 | 1 |
| Western Kingbird Tyrannus verticalis | Fork-tailed Flycatcher Tyrannus savana | 1 | 1 | 0 |
| Grey-breasted Martin Progne chalybea | Cave Swallow Petrochelidon fulva | 1 | 0 | 1 |
| Eastern Bluebird Sialia sialis | Hermit Thrush Catharus guttatus | 1 | 1 | 0 |
| Hermit Thrush Catharus guttatus | Clay-coloured Thrush Turdus grayi | 1 | 0 | 1 |
| American Redstart Setophaga ruticilla | Northern Parula Setophaga americana | 1 | 1 | 0 |
| Swan Goose Anser cygnoides | Muscovy Duck Cairina moschata | 1 | 1 | 0 |
| Black-throated Grey Warbler Setophaga nigrescens | Black-throated Green Warbler Setophaga virens | 1 | 1 | 0 |