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
Northern Royal Albatross Diomedea sanfordi Southern Giant-Petrel Macronectes giganteus 2 2 0
Brown Skua Stercorarius antarcticus South Polar Skua Stercorarius maccormicki 1 1 0
Arctic Tern Sterna paradisaea Antarctic Tern Sterna vittata 1 0 1
King Penguin Aptenodytes patagonicus Fairy Prion Pachyptila turtur 1 1 0
Adelie Penguin Pygoscelis adeliae Gentoo Penguin Pygoscelis papua 1 1 0
Light-mantled Albatross Phoebetria palpebrata Grey-headed Albatross Thalassarche chrysostoma 1 1 0
Black-bellied Storm-Petrel Fregetta tropica Northern Giant-Petrel Macronectes halli 1 1 0
Black-browed Albatross Thalassarche melanophris Northern Giant-Petrel Macronectes halli 1 0 1
Southern Giant-Petrel Macronectes giganteus Northern Giant-Petrel Macronectes halli 1 0 1
Antarctic Petrel Thalassoica antarctica Kerguelen Petrel Aphrodroma brevirostris 1 1 0
Kerguelen Petrel Aphrodroma brevirostris Great-winged Petrel Pterodroma macroptera 1 1 0
White-headed Petrel Pterodroma lessonii Blue Petrel Halobaena caerulea 1 1 0
Blue Petrel Halobaena caerulea Antarctic Prion Pachyptila desolata 1 0 1
Black-bellied Storm-Petrel Fregetta tropica Slender-billed Prion Pachyptila belcheri 1 0 1
Antarctic Prion Pachyptila desolata Slender-billed Prion Pachyptila belcheri 1 0 1