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 |
|---|---|---|---|---|
| Snow Goose Anser caerulescens | Ross's Goose Anser rossii | 1 | 0 | 1 |
| Ruby-throated Hummingbird Archilochus colubris | Anna's Hummingbird Calypte anna | 1 | 0 | 1 |
| Anna's Hummingbird Calypte anna | Rufous Hummingbird Selasphorus rufus | 1 | 0 | 1 |
| Allen's Hummingbird Selasphorus sasin | Broad-billed Hummingbird Cynanthus latirostris | 1 | 0 | 1 |
| Sanderling Calidris alba | Dunlin Calidris alpina | 1 | 0 | 1 |
| Arctic Skua Stercorarius parasiticus | Great Skua Stercorarius skua | 1 | 0 | 1 |
| Gull-billed Tern Gelochelidon nilotica | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Glossy Ibis Plegadis falcinellus | White-faced Ibis Plegadis chihi | 1 | 1 | 0 |