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 |
|---|---|---|---|---|
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 2 | 1 | 1 |
| Sooty Gull Ichthyaetus hemprichii | White-eyed Gull Ichthyaetus leucophthalmus | 1 | 1 | 0 |
| Armenian Gull Larus armenicus | Lesser Black-backed Gull Larus fuscus | 1 | 0 | 1 |
| Greater Short-toed Lark Calandrella brachydactyla | Mediterranean Short-toed Lark Alaudala rufescens | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Marsh Warbler Acrocephalus palustris | 1 | 1 | 0 |
| Common Redstart Phoenicurus phoenicurus | Black Redstart Phoenicurus ochruros | 1 | 1 | 0 |