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 |
|---|---|---|---|---|
| Tundra Bean Goose Anser serrirostris | Pink-footed Goose Anser brachyrhynchus | 1 | 0 | 1 |
| Goosander Mergus merganser | Red-breasted Merganser Mergus serrator | 1 | 1 | 0 |
| Long-tailed Duck Clangula hyemalis | White-headed Duck Oxyura leucocephala | 1 | 0 | 1 |
| Stone-curlew Burhinus oedicnemus | Wood Warbler Phylloscopus sibilatrix | 1 | 1 | 0 |
| Bar-tailed Godwit Limosa lapponica | Black-tailed Godwit Limosa limosa | 1 | 0 | 1 |
| Eurasian Treecreeper Certhia familiaris | Short-toed Treecreeper Certhia brachydactyla | 1 | 0 | 1 |
| Marsh Tit Poecile palustris | Rose-coloured Starling Pastor roseus | 1 | 0 | 1 |
| Common Redpoll Acanthis flammea | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Cirl Bunting Emberiza cirlus | Yellowhammer Emberiza citrinella | 1 | 1 | 0 |