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 |
|---|---|---|---|---|
| Watercock Gallicrex cinerea | White-breasted Waterhen Amaurornis phoenicurus | 1 | 0 | 1 |
| Grey Plover Pluvialis squatarola | Common Ringed Plover Charadrius hiaticula | 1 | 1 | 0 |
| Tibetan Sand Plover Anarhynchus atrifrons | Kentish Plover Anarhynchus alexandrinus | 1 | 1 | 0 |
| Whimbrel Numenius phaeopus | Eurasian Curlew Numenius arquata | 1 | 0 | 1 |
| Pin-tailed Snipe Gallinago stenura | Common Snipe Gallinago gallinago | 1 | 0 | 1 |
| Common Sandpiper Actitis hypoleucos | Wood Sandpiper Tringa glareola | 1 | 0 | 1 |
| Little Tern Sternula albifrons | Saunders's Tern Sternula saundersi | 1 | 0 | 1 |
| Lesser Crested Tern Thalasseus bengalensis | Great Crested Tern Thalasseus bergii | 1 | 1 | 0 |
| Jouanin's Petrel Bulweria fallax | Tropical Shearwater Puffinus bailloni | 1 | 1 | 0 |
| Bulwer's Petrel Bulweria bulwerii | Flesh-footed Shearwater Ardenna carneipes | 1 | 0 | 1 |
| Cinnamon Bittern Botaurus cinnamomeus | Indian Pond Heron Ardeola grayii | 1 | 1 | 0 |
| Amur Falcon Falco amurensis | Eurasian Hobby Falco subbuteo | 1 | 0 | 1 |