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 |
|---|---|---|---|---|
| Buff-breasted Sandpiper Calidris subruficollis | Sanderling Calidris alba | 1 | 1 | 0 |
| Herring Gull Larus argentatus | Great Black-backed Gull Larus marinus | 1 | 0 | 1 |
| American Barn Owl Tyto furcata | Eurasian Three-toed Woodpecker Picoides tridactylus | 1 | 1 | 0 |
| Turkestan Short-toed Lark Alaudala heinei | Meadow Pipit Anthus pratensis | 1 | 1 | 0 |
| Common Chiffchaff Phylloscopus collybita | Goldcrest Regulus regulus | 1 | 0 | 1 |
| Whinchat Saxicola rubetra | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Common Redpoll Acanthis flammea | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Mallard Anas platyrhynchos | Common Crossbill Loxia curvirostra | 1 | 0 | 1 |
| Citril Finch Carduelis citrinella | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |