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 |
|---|---|---|---|---|
| Smooth-billed Ani Crotophaga ani | Mangrove Cuckoo Coccyzus minor | 1 | 1 | 0 |
| American Oystercatcher Haematopus palliatus | Grey Plover Pluvialis squatarola | 1 | 1 | 0 |
| Arctic Skua Stercorarius parasiticus | South Polar Skua Stercorarius maccormicki | 1 | 0 | 1 |
| Magnificent Frigatebird Fregata magnificens | Brown Booby Sula leucogaster | 1 | 0 | 1 |
| Caribbean Elaenia Elaenia martinica | Lesser Antillean Flycatcher Myiarchus oberi | 1 | 1 | 0 |
| American Redstart Setophaga ruticilla | Blackpoll Warbler Setophaga striata | 1 | 0 | 1 |
| Lesser Antillean Bullfinch Loxigilla noctis | Lesser Antillean Saltator Saltator albicollis | 1 | 0 | 1 |