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
Pacific Imperial-Pigeon Ducula pacifica Pacific Swallow Hirundo javanica 1 1 0
Australasian Swamphen Porphyrio melanotus Black Noddy Anous minutus 1 1 0
Wandering Tattler Tringa incana Black-naped Tern Sterna sumatrana 1 1 0
Black-naped Tern Sterna sumatrana Tahiti Petrel Pseudobulweria rostrata 1 1 0