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 |
|---|---|---|---|---|
| White-throated Needletail Hirundapus caudacutus | Pacific Swift Apus pacificus | 1 | 1 | 0 |
| Watercock Gallicrex cinerea | White-breasted Waterhen Amaurornis phoenicurus | 1 | 0 | 1 |
| Tibetan Sand Plover Anarhynchus atrifrons | Greater Sand Plover Anarhynchus leschenaultii | 1 | 0 | 1 |
| Far Eastern Curlew Numenius madagascariensis | Eurasian Curlew Numenius arquata | 1 | 0 | 1 |
| Lesser Crested Tern Thalasseus bengalensis | Great Crested Tern Thalasseus bergii | 1 | 1 | 0 |
| Swinhoe's Storm-Petrel Hydrobates monorhis | Bulwer's Petrel Bulweria bulwerii | 1 | 1 | 0 |