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 |
|---|---|---|---|---|
| Least Pauraque Siphonorhis brewsteri | Chuck-will's-widow Antrostomus carolinensis | 1 | 0 | 1 |
| Spotted Sandpiper Actitis macularius | Willet Tringa semipalmata | 1 | 1 | 0 |
| Arctic Skua Stercorarius parasiticus | Pomarine Skua Stercorarius pomarinus | 1 | 1 | 0 |
| Western Chat-Tanager Calyptophilus tertius | Green-tailed Warbler Microligea palustris | 1 | 0 | 1 |
| Louisiana Waterthrush Parkesia motacilla | Northern Waterthrush Parkesia noveboracensis | 1 | 1 | 0 |
| Pine Warbler Setophaga pinus | Prairie Warbler Setophaga discolor | 1 | 0 | 1 |
| Yellow-faced Grassquit Tiaris olivaceus | Black-faced Grassquit Melanospiza bicolor | 1 | 1 | 0 |