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 |
|---|---|---|---|---|
| Grey Plover Pluvialis squatarola | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Eurasian Curlew Numenius arquata | Common Snipe Gallinago gallinago | 1 | 1 | 0 |
| Common Redshank Tringa totanus | Spotted Redshank Tringa erythropus | 1 | 1 | 0 |
| Franklin's Gull Leucophaeus pipixcan | Sooty Gull Ichthyaetus hemprichii | 1 | 1 | 0 |
| Gull-billed Tern Gelochelidon nilotica | Whiskered Tern Chlidonias hybrida | 1 | 0 | 1 |
| Greater Spotted Eagle Clanga clanga | Booted Eagle Hieraaetus pennatus | 1 | 1 | 0 |
| Black Kite Milvus migrans | Lesser Whitethroat Curruca curruca | 1 | 1 | 0 |
| Brown-necked Raven Corvus ruficollis | Fan-tailed Raven Corvus rhipidurus | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | House Sparrow Passer domesticus | 1 | 1 | 0 |
| Lesser Whitethroat Curruca curruca | Pied Wagtail/White Wagtail Motacilla alba | 1 | 1 | 0 |
| Semicollared Flycatcher Ficedula semitorquata | European Pied Flycatcher Ficedula hypoleuca | 1 | 1 | 0 |
| Black Kite Milvus migrans | House Sparrow Passer domesticus | 1 | 0 | 1 |
| Lesser Whitethroat Curruca curruca | Spanish Sparrow Passer hispaniolensis | 1 | 0 | 1 |
| Spanish Sparrow Passer hispaniolensis | Pied Wagtail/White Wagtail Motacilla alba | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Water Pipit Anthus spinoletta | 1 | 1 | 0 |