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
Common Ringed Plover Charadrius hiaticula Semipalmated Plover Charadrius semipalmatus 1 1 0
Brown Noddy Anous stolidus Black Noddy Anous minutus 1 1 0
Black Tern Chlidonias niger White-winged Black Tern Chlidonias leucopterus 1 0 1
Black-winged Petrel Pterodroma nigripennis Cook's Petrel Pterodroma cookii 1 1 0
Hawaii Amakihi Chlorodrepanis virens Kauai Amakihi Chlorodrepanis stejnegeri 1 0 1