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 |
|---|---|---|---|---|
| Green Warbler Phylloscopus nitidus | Arctic Warbler Phylloscopus borealis | 3 | 1 | 2 |
| Greater Short-toed Lark Calandrella brachydactyla | Mediterranean Short-toed Lark Alaudala rufescens | 2 | 0 | 2 |
| Mediterranean Short-toed Lark Alaudala rufescens | Turkestan Short-toed Lark Alaudala heinei | 2 | 1 | 1 |
| Eurasian Skylark Alauda arvensis | Oriental Skylark Alauda gulgula | 2 | 1 | 1 |
| Western House Martin Delichon urbicum | Asian House Martin Delichon dasypus | 2 | 0 | 2 |
| Radde's Accentor Prunella ocularis | Black-throated Accentor Prunella atrogularis | 2 | 1 | 1 |
| Pale Rockfinch Carpospiza brachydactyla | Sinai Rosefinch Carpodacus synoicus | 2 | 0 | 2 |
| Crowned Sandgrouse Pterocles coronatus | Lichtenstein's Sandgrouse Pterocles lichtensteinii | 1 | 1 | 0 |
| Common Cuckoo Cuculus canorus | Yellow-legged Gull Larus michahellis | 1 | 1 | 0 |
| Common Swift Apus apus | Pallid Swift Apus pallidus | 1 | 1 | 0 |
| Caspian Plover Anarhynchus asiaticus | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Squacco Heron Ardeola ralloides | Chinese Pond Heron Ardeola bacchus | 1 | 0 | 1 |
| European Honey-buzzard Pernis apivorus | Crested Honey-buzzard Pernis ptilorhynchus | 1 | 0 | 1 |
| Levant Sparrowhawk Tachyspiza brevipes | Common Buzzard Buteo buteo | 1 | 1 | 0 |
| Lanner Falcon Falco biarmicus | Peregrine Falcon Falco peregrinus | 1 | 1 | 0 |
| Brown-necked Raven Corvus ruficollis | Fan-tailed Raven Corvus rhipidurus | 1 | 0 | 1 |
| Bar-tailed Lark Ammomanes cinctura | Desert Lark Ammomanes deserti | 1 | 1 | 0 |
| Bimaculated Lark Melanocorypha bimaculata | Calandra Lark Melanocorypha calandra | 1 | 1 | 0 |
| Desert Lark Ammomanes deserti | Arabian Lark Eremalauda eremodites | 1 | 0 | 1 |
| Desert Lark Ammomanes deserti | Turkestan Short-toed Lark Alaudala heinei | 1 | 0 | 1 |
| Eurasian Skylark Alauda arvensis | Crested Lark Galerida cristata | 1 | 1 | 0 |
| Graceful Prinia Prinia gracilis | Zitting Cisticola Cisticola juncidis | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Marsh Warbler Acrocephalus palustris | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Upcher's Warbler Hippolais languida | 1 | 0 | 1 |
| Upcher's Warbler Hippolais languida | Olive-tree Warbler Hippolais olivetorum | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Olive-tree Warbler Hippolais olivetorum | 1 | 0 | 1 |
| Moustached Warbler Acrocephalus melanopogon | Sedge Warbler Acrocephalus schoenobaenus | 1 | 0 | 1 |
| Basra Reed Warbler Acrocephalus griseldis | Great Reed Warbler Acrocephalus arundinaceus | 1 | 1 | 0 |
| Basra Reed Warbler Acrocephalus griseldis | Clamorous Reed Warbler Acrocephalus stentoreus | 1 | 0 | 1 |
| Great Reed Warbler Acrocephalus arundinaceus | Clamorous Reed Warbler Acrocephalus stentoreus | 1 | 0 | 1 |
| River Warbler Locustella fluviatilis | Savi's Warbler Locustella luscinioides | 1 | 1 | 0 |
| Paddyfield Warbler Acrocephalus agricola | Savi's Warbler Locustella luscinioides | 1 | 0 | 1 |
| Eurasian Crag Martin Ptyonoprogne rupestris | Rock Martin Ptyonoprogne fuligula | 1 | 0 | 1 |
| Mountain Chiffchaff Phylloscopus sindianus | Common Chiffchaff Phylloscopus collybita | 1 | 0 | 1 |
| Common Chiffchaff Phylloscopus collybita | Green Warbler Phylloscopus nitidus | 1 | 1 | 0 |
| Booted Warbler Iduna caligata | Green Warbler Phylloscopus nitidus | 1 | 0 | 1 |
| Arabian Warbler Curruca leucomelaena | Rüppell's Warbler Curruca ruppeli | 1 | 1 | 0 |
| Arabian Warbler Curruca leucomelaena | Eastern Orphean Warbler Curruca crassirostris | 1 | 0 | 1 |
| Menetries's Warbler Curruca mystacea | Eastern Subalpine Warbler Curruca cantillans | 1 | 1 | 0 |
| Rüppell's Warbler Curruca ruppeli | Cyprus Warbler Curruca melanothorax | 1 | 0 | 1 |
| Rufous-tailed Scrub Robin Cercotrichas galactotes | Thrush Nightingale Luscinia luscinia | 1 | 0 | 1 |
| Collared Dove Streptopelia decaocto | Common Nightingale Luscinia megarhynchos | 1 | 0 | 1 |
| Hooded Crow Corvus cornix | Semicollared Flycatcher Ficedula semitorquata | 1 | 0 | 1 |
| Common Redshank Tringa totanus | Common Redstart Phoenicurus phoenicurus | 1 | 0 | 1 |
| Isabelline Wheatear Oenanthe isabellina | Hooded Wheatear Oenanthe monacha | 1 | 0 | 1 |
| Hooded Wheatear Oenanthe monacha | Pied Wheatear Oenanthe pleschanka | 1 | 1 | 0 |
| Cyprus Wheatear Oenanthe cypriaca | Kurdish Wheatear Oenanthe xanthoprymna | 1 | 1 | 0 |
| Desert Wheatear Oenanthe deserti | Red-rumped Wheatear Oenanthe moesta | 1 | 0 | 1 |
| Pied Bushchat Saxicola caprata | Blackstart Oenanthe melanura | 1 | 0 | 1 |
| White-crowned Wheatear Oenanthe leucopyga | Mourning Wheatear Oenanthe lugens | 1 | 1 | 0 |
| Pied Bushchat Saxicola caprata | Mourning Wheatear Oenanthe lugens | 1 | 0 | 1 |
| Dead Sea Sparrow Passer moabiticus | Yellow-throated Sparrow Gymnoris xanthocollis | 1 | 0 | 1 |
| Long-billed Pipit Anthus similis | Tawny Pipit Anthus campestris | 1 | 1 | 0 |
| Richard's Pipit Anthus richardi | Tawny Pipit Anthus campestris | 1 | 0 | 1 |
| Water Pipit Anthus spinoletta | Buff-bellied Pipit Anthus rubescens | 1 | 0 | 1 |
| Crimson-winged Finch Rhodopechys sanguineus | Trumpeter Finch Bucanetes githagineus | 1 | 1 | 0 |
| Sinai Rosefinch Carpodacus synoicus | Red-fronted Serin Serinus pusillus | 1 | 0 | 1 |