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 |
|---|---|---|---|---|
| Greater White-fronted Goose Anser albifrons | Hooded Crow Corvus cornix | 1 | 1 | 0 |
| Tundra Bean Goose Anser serrirostris | Brent Goose Branta bernicla | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Lesser Black-backed Gull Larus fuscus | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | Common Linnet Linaria cannabina | 1 | 1 | 0 |
| Ruff Calidris pugnax | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Lesser Spotted Eagle Clanga pomarina | Common Buzzard Buteo buteo | 1 | 1 | 0 |
| Spotted Crake Porzana porzana | Western Marsh Harrier Circus aeruginosus | 1 | 0 | 1 |
| Common Buzzard Buteo buteo | Common Kestrel Falco tinnunculus | 1 | 1 | 0 |
| American Barn Owl Tyto furcata | Tawny Owl Strix aluco | 1 | 1 | 0 |
| Eurasian Skylark Alauda arvensis | Fieldfare Turdus pilaris | 1 | 1 | 0 |
| Green Sandpiper Tringa ochropus | Great Reed Warbler Acrocephalus arundinaceus | 1 | 0 | 1 |
| Garden Warbler Sylvia borin | Lesser Whitethroat Curruca curruca | 1 | 0 | 1 |
| Willow Warbler Phylloscopus trochilus | Northern Wheatear Oenanthe oenanthe | 1 | 0 | 1 |
| Western Yellow Wagtail Motacilla flava | Citrine Wagtail Motacilla citreola | 1 | 1 | 0 |
| European Greenfinch Chloris chloris | Yellowhammer Emberiza citrinella | 1 | 0 | 1 |