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
Velvet Scoter Melanitta fusca Common Scoter Melanitta nigra 1 1 0
Herring Gull Larus argentatus Lesser Black-backed Gull Larus fuscus 1 0 1
Lesser Whitethroat Curruca curruca Common Whitethroat Curruca communis 1 1 0
European Robin Erithacus rubecula Common Redstart Phoenicurus phoenicurus 1 0 1
Common Redpoll Acanthis flammea Arctic Redpoll Acanthis hornemanni 1 1 0