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 |
|---|---|---|---|---|
| Long-tailed Skua Stercorarius longicaudus | Arctic Skua Stercorarius parasiticus | 3 | 0 | 3 |
| Arctic Skua Stercorarius parasiticus | Pomarine Skua Stercorarius pomarinus | 2 | 2 | 0 |
| Northern Shoveler Spatula clypeata | Sand Martin Riparia riparia | 1 | 0 | 1 |
| European Storm-Petrel Hydrobates pelagicus | Band-rumped Storm-Petrel Hydrobates castro | 1 | 1 | 0 |
| Sooty Shearwater Ardenna grisea | Barolo Shearwater Puffinus baroli | 1 | 1 | 0 |
| Village Weaver Ploceus cucullatus | Northern Red Bishop Euplectes franciscanus | 1 | 0 | 1 |