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 |
|---|---|---|---|---|
| Yellow-billed Cuckoo Coccyzus americanus | Mangrove Cuckoo Coccyzus minor | 1 | 1 | 0 |
| Mangrove Cuckoo Coccyzus minor | Brown Trembler Cinclocerthia ruficauda | 1 | 1 | 0 |
| Semipalmated Plover Charadrius semipalmatus | Semipalmated Sandpiper Calidris pusilla | 1 | 1 | 0 |
| Piping Plover Charadrius melodus | Snowy Plover Anarhynchus nivosus | 1 | 1 | 0 |
| Snowy Plover Anarhynchus nivosus | Northern Parula Setophaga americana | 1 | 1 | 0 |
| Buff-breasted Sandpiper Calidris subruficollis | Dunlin Calidris alpina | 1 | 0 | 1 |
| Brown Noddy Anous stolidus | Sooty Tern Onychoprion fuscatus | 1 | 1 | 0 |
| Roseate Tern Sterna dougallii | Sandwich Tern Thalasseus sandvicensis | 1 | 1 | 0 |
| Magnificent Frigatebird Fregata magnificens | Brown Booby Sula leucogaster | 1 | 1 | 0 |
| Red-footed Booby Sula sula | Masked Booby Sula dactylatra | 1 | 0 | 1 |
| Caribbean Elaenia Elaenia martinica | Black-whiskered Vireo Vireo altiloquus | 1 | 1 | 0 |
| Scaly-breasted Thrasher Allenia fusca | Pearly-eyed Thrasher Margarops fuscatus | 1 | 0 | 1 |
| Ovenbird Seiurus aurocapilla | Golden-winged Warbler Vermivora chrysoptera | 1 | 1 | 0 |
| Hooded Warbler Setophaga citrina | Cape May Warbler Setophaga tigrina | 1 | 0 | 1 |