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 |
|---|---|---|---|---|
| Common Pochard Aythya ferina | Ferruginous Duck Aythya nyroca | 1 | 1 | 0 |
| Rock Dove Columba livia | Yellow-eyed Pigeon Columba eversmanni | 1 | 1 | 0 |
| Grey Plover Pluvialis squatarola | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Marsh Sandpiper Tringa stagnatilis | Spotted Redshank Tringa erythropus | 1 | 1 | 0 |
| Wood Sandpiper Tringa glareola | Common Greenshank Tringa nebularia | 1 | 1 | 0 |
| Caspian Gull Larus cachinnans | Glaucous Gull Larus hyperboreus | 1 | 0 | 1 |
| Hen Harrier Circus cyaneus | Montagu's Harrier Circus pygargus | 1 | 1 | 0 |
| Sykes's Warbler Iduna rama | Upcher's Warbler Hippolais languida | 1 | 0 | 1 |
| Common Reed Warbler Acrocephalus scirpaceus | Great Reed Warbler Acrocephalus arundinaceus | 1 | 1 | 0 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Common Grasshopper Warbler Locustella naevia | 1 | 1 | 0 |
| Menetries's Warbler Curruca mystacea | Red-breasted Flycatcher Ficedula parva | 1 | 1 | 0 |
| Black-throated Thrush Turdus atrogularis | Dusky Thrush Turdus eunomus | 1 | 0 | 1 |
| Godlewski's Bunting Emberiza godlewskii | Meadow Bunting Emberiza cioides | 1 | 1 | 0 |
| White-capped Bunting Emberiza stewarti | Grey-necked Bunting Emberiza buchanani | 1 | 1 | 0 |