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 |
|---|---|---|---|---|
| Melodious Warbler Hippolais polyglotta | Icterine Warbler Hippolais icterina | 2 | 2 | 0 |
| Bewick's Swan Cygnus columbianus | Whooper Swan Cygnus cygnus | 1 | 1 | 0 |
| Common Redshank Tringa totanus | Common Greenshank Tringa nebularia | 1 | 0 | 1 |
| Caspian Gull Larus cachinnans | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Eurasian Treecreeper Certhia familiaris | Short-toed Treecreeper Certhia brachydactyla | 1 | 0 | 1 |
| Eurasian Skylark Alauda arvensis | Fieldfare Turdus pilaris | 1 | 0 | 1 |
| Common Redshank Tringa totanus | Common Redstart Phoenicurus phoenicurus | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Brambling Fringilla montifringilla | 1 | 1 | 0 |
| Meadow Pipit Anthus pratensis | European Greenfinch Chloris chloris | 1 | 1 | 0 |
| Hawfinch Coccothraustes coccothraustes | Eurasian Bullfinch Pyrrhula pyrrhula | 1 | 1 | 0 |
| Common Linnet Linaria cannabina | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |