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 |
|---|---|---|---|---|
| Crowned Sandgrouse Pterocles coronatus | Lichtenstein's Sandgrouse Pterocles lichtensteinii | 2 | 2 | 0 |
| Hen Harrier Circus cyaneus | Montagu's Harrier Circus pygargus | 2 | 1 | 1 |
| Red-footed Falcon Falco vespertinus | Eleonora's Falcon Falco eleonorae | 2 | 2 | 0 |
| Spotted Sandgrouse Pterocles senegallus | Black-bellied Sandgrouse Pterocles orientalis | 1 | 1 | 0 |
| Red-necked Nightjar Caprimulgus ruficollis | Egyptian Nightjar Caprimulgus aegyptius | 1 | 1 | 0 |
| Common Ringed Plover Charadrius hiaticula | Little Ringed Plover Thinornis dubius | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Green Sandpiper Tringa ochropus | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Marsh Sandpiper Tringa stagnatilis | 1 | 0 | 1 |
| Gull-billed Tern Gelochelidon nilotica | Whiskered Tern Chlidonias hybrida | 1 | 0 | 1 |
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Short-toed Eagle Circaetus gallicus | Booted Eagle Hieraaetus pennatus | 1 | 1 | 0 |
| Lesser Spotted Eagle Clanga pomarina | Greater Spotted Eagle Clanga clanga | 1 | 1 | 0 |
| Lesser Spotted Eagle Clanga pomarina | Tawny Eagle Aquila rapax | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Hen Harrier Circus cyaneus | 1 | 1 | 0 |
| Red Kite Milvus milvus | Black Kite Milvus migrans | 1 | 0 | 1 |
| Common Buzzard Buteo buteo | Long-legged Buzzard Buteo rufinus | 1 | 1 | 0 |
| Maghreb Owl Strix mauritanica | Short-eared Owl Asio flammeus | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Western Olivaceous Warbler Iduna opaca | 1 | 0 | 1 |
| Great Reed Warbler Acrocephalus arundinaceus | Common Grasshopper Warbler Locustella naevia | 1 | 1 | 0 |
| Savi's Warbler Locustella luscinioides | Common Grasshopper Warbler Locustella naevia | 1 | 0 | 1 |
| Sardinian Warbler Curruca melanocephala | Moltoni's Warbler Curruca subalpina | 1 | 0 | 1 |
| Atlas Wheatear Oenanthe seebohmi | Western Black-eared Wheatear Oenanthe hispanica | 1 | 1 | 0 |
| Desert Wheatear Oenanthe deserti | Western Black-eared Wheatear Oenanthe hispanica | 1 | 0 | 1 |
| House Sparrow Passer domesticus | Italian Sparrow Passer italiae | 1 | 0 | 1 |
| Yellow-legged Gull Larus michahellis | Spanish Sparrow Passer hispaniolensis | 1 | 0 | 1 |
| Grey Wagtail Motacilla cinerea | Western Yellow Wagtail Motacilla flava | 1 | 0 | 1 |
| European Greenfinch Chloris chloris | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |