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 |
|---|---|---|---|---|
| Taiga Bean Goose Anser fabalis | Tundra Bean Goose Anser serrirostris | 2 | 1 | 1 |
| Grey Partridge Perdix perdix | Common Quail Coturnix coturnix | 1 | 0 | 1 |
| European Turtle Dove Streptopelia turtur | Rufous Turtle Dove Streptopelia orientalis | 1 | 0 | 1 |
| Common Cuckoo Cuculus canorus | Eurasian Nightjar Caprimulgus europaeus | 1 | 0 | 1 |
| European Golden Plover Pluvialis apricaria | Pacific Golden Plover Pluvialis fulva | 1 | 0 | 1 |
| Jack Snipe Lymnocryptes minimus | Common Snipe Gallinago gallinago | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Spotted Sandpiper Actitis macularius | 1 | 0 | 1 |
| Ruff Calidris pugnax | Buff-breasted Sandpiper Calidris subruficollis | 1 | 0 | 1 |
| Long-tailed Skua Stercorarius longicaudus | Arctic Skua Stercorarius parasiticus | 1 | 1 | 0 |
| Caspian Gull Larus cachinnans | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Common Swift Apus apus | Black Tern Chlidonias niger | 1 | 0 | 1 |
| Ural Owl Strix uralensis | Great Grey Owl Strix nebulosa | 1 | 0 | 1 |
| Goosander Mergus merganser | Merlin Falco columbarius | 1 | 0 | 1 |
| Blyth's Reed Warbler Acrocephalus dumetorum | Great Reed Warbler Acrocephalus arundinaceus | 1 | 1 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Greenish Warbler Phylloscopus trochiloides | 1 | 0 | 1 |
| Barred Warbler Curruca nisoria | Brambling Fringilla montifringilla | 1 | 1 | 0 |
| Lesser Whitethroat Curruca curruca | Rock Pipit Anthus petrosus | 1 | 1 | 0 |
| Garden Warbler Sylvia borin | Asian Desert Warbler Curruca nana | 1 | 0 | 1 |
| Asian Desert Warbler Curruca nana | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Song Thrush Turdus philomelos | Red-throated Pipit Anthus cervinus | 1 | 0 | 1 |
| Pine Grosbeak Pinicola enucleator | Common Crossbill Loxia curvirostra | 1 | 0 | 1 |