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
Stejneger's Scoter Melanitta stejnegeri Black Scoter Melanitta americana 1 1 0
Lesser Cuckoo Cuculus poliocephalus Indian Cuckoo Cuculus micropterus 1 0 1
Long-billed Plover Thinornis placidus Siberian Sand Plover Anarhynchus mongolus 1 1 0
Striated Heron Butorides striata Chinese Pond Heron Ardeola bacchus 1 0 1
Chinese Sparrowhawk Tachyspiza soloensis Besra Tachyspiza virgata 1 0 1
Yellow-browed Warbler Phylloscopus inornatus Pallas's Warbler Phylloscopus proregulus 1 1 0
Japanese Thrush Turdus cardis Grey-backed Thrush Turdus hortulorum 1 0 1