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 |
| Pale Rockfinch Carpospiza brachydactyla | Sinai Rosefinch Carpodacus synoicus | 2 | 0 | 2 |
| Wood Warbler Phylloscopus sibilatrix | Willow Warbler Phylloscopus trochilus | 2 | 1 | 1 |
| Eurasian Skylark Alauda arvensis | Oriental Skylark Alauda gulgula | 2 | 1 | 1 |
| Eurasian Skylark Alauda arvensis | Crested Lark Galerida cristata | 2 | 2 | 0 |
| Arabian Warbler Curruca leucomelaena | Eastern Orphean Warbler Curruca crassirostris | 2 | 0 | 2 |
| European Honey-buzzard Pernis apivorus | Crested Honey-buzzard Pernis ptilorhynchus | 2 | 1 | 1 |
| Radde's Accentor Prunella ocularis | Black-throated Accentor Prunella atrogularis | 2 | 1 | 1 |
| Mediterranean Short-toed Lark Alaudala rufescens | Turkestan Short-toed Lark Alaudala heinei | 2 | 1 | 1 |
| Western House Martin Delichon urbicum | Asian House Martin Delichon dasypus | 2 | 0 | 2 |
| Common Swift Apus apus | Pallid Swift Apus pallidus | 1 | 1 | 0 |
| Pallid Swift Apus pallidus | Barn Swallow Hirundo rustica | 1 | 0 | 1 |
| Water Rail Rallus aquaticus | Tawny Pipit Anthus campestris | 1 | 0 | 1 |
| Eurasian Coot Fulica atra | Crested Lark Galerida cristata | 1 | 1 | 0 |
| Eurasian Coot Fulica atra | Common Chiffchaff Phylloscopus collybita | 1 | 1 | 0 |
| Black-winged Stilt Himantopus himantopus | Pallid Scops Owl Otus brucei | 1 | 0 | 1 |
| Common Ringed Plover Charadrius hiaticula | Little Ringed Plover Thinornis dubius | 1 | 1 | 0 |
| Little Ringed Plover Thinornis dubius | Greater Hoopoe-Lark Alaemon alaudipes | 1 | 0 | 1 |
| Northern Lapwing Vanellus vanellus | Willow Warbler Phylloscopus trochilus | 1 | 0 | 1 |
| Northern Lapwing Vanellus vanellus | Red-throated Pipit Anthus cervinus | 1 | 0 | 1 |
| Caspian Plover Anarhynchus asiaticus | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Kentish Plover Anarhynchus alexandrinus | European Greenfinch Chloris chloris | 1 | 0 | 1 |
| Wood Sandpiper Tringa glareola | Common Redshank Tringa totanus | 1 | 0 | 1 |
| Common Redshank Tringa totanus | Common Redstart Phoenicurus phoenicurus | 1 | 0 | 1 |
| Temminck's Stint Calidris temminckii | Little Stint Calidris minuta | 1 | 1 | 0 |
| Temminck's Stint Calidris temminckii | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Black-winged Pratincole Glareola nordmanni | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Caspian Gull Larus cachinnans | Pied Kingfisher Ceryle rudis | 1 | 0 | 1 |
| Sooty Tern Onychoprion fuscatus | Bridled Tern Onychoprion anaethetus | 1 | 0 | 1 |
| Whiskered Tern Chlidonias hybrida | Common Whitethroat Curruca communis | 1 | 0 | 1 |
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Western Reef-Heron Egretta gularis | Black-headed Heron Ardea melanocephala | 1 | 0 | 1 |
| Squacco Heron Ardeola ralloides | Chinese Pond Heron Ardeola bacchus | 1 | 0 | 1 |
| Western Cattle-Egret Ardea ibis | House Sparrow Passer domesticus | 1 | 0 | 1 |
| European Honey-buzzard Pernis apivorus | Western Yellow Wagtail Motacilla flava | 1 | 0 | 1 |
| Levant Sparrowhawk Tachyspiza brevipes | Common Buzzard Buteo buteo | 1 | 1 | 0 |
| White-throated Kingfisher Halcyon smyrnensis | Arabian Green Bee-eater Merops cyanophrys | 1 | 0 | 1 |
| Pied Kingfisher Ceryle rudis | European Roller Coracias garrulus | 1 | 0 | 1 |
| Arabian Green Bee-eater Merops cyanophrys | Olive-tree Warbler Hippolais olivetorum | 1 | 0 | 1 |
| European Bee-eater Merops apiaster | European Robin Erithacus rubecula | 1 | 0 | 1 |
| Lesser Kestrel Falco naumanni | Common Kestrel Falco tinnunculus | 1 | 0 | 1 |
| Sooty Falcon Falco concolor | Lanner Falcon Falco biarmicus | 1 | 1 | 0 |
| Lanner Falcon Falco biarmicus | Peregrine Falcon Falco peregrinus | 1 | 1 | 0 |
| Great Grey Shrike Lanius excubitor | Lesser Grey Shrike Lanius minor | 1 | 0 | 1 |
| Eurasian Jay Garrulus glandarius | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Eurasian Jackdaw Coloeus monedula | Common Raven Corvus corax | 1 | 0 | 1 |
| Hooded Crow Corvus cornix | Semicollared Flycatcher Ficedula semitorquata | 1 | 0 | 1 |
| Brown-necked Raven Corvus ruficollis | Fan-tailed Raven Corvus rhipidurus | 1 | 0 | 1 |
| Great Tit Parus major | Western Yellow Wagtail Motacilla flava | 1 | 1 | 0 |
| Eurasian Penduline Tit Remiz pendulinus | Bar-tailed Lark Ammomanes cinctura | 1 | 1 | 0 |
| Eurasian Penduline Tit Remiz pendulinus | Spanish Sparrow Passer hispaniolensis | 1 | 1 | 0 |
| Bar-tailed Lark Ammomanes cinctura | Desert Lark Ammomanes deserti | 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 |
| Bimaculated Lark Melanocorypha bimaculata | Calandra Lark Melanocorypha calandra | 1 | 1 | 0 |
| Mediterranean Short-toed Lark Alaudala rufescens | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Crested Lark Galerida cristata | Sardinian Warbler Curruca melanocephala | 1 | 0 | 1 |
| Crested Lark Galerida cristata | Eurasian Blackbird Turdus merula | 1 | 0 | 1 |
| Graceful Prinia Prinia gracilis | Zitting Cisticola Cisticola juncidis | 1 | 1 | 0 |
| Booted Warbler Iduna caligata | Green Warbler Phylloscopus nitidus | 1 | 0 | 1 |
| Sykes's Warbler Iduna rama | Savi's Warbler Locustella luscinioides | 1 | 1 | 0 |
| Eastern Olivaceous Warbler Iduna pallida | Upcher's Warbler Hippolais languida | 1 | 0 | 1 |
| Eastern Olivaceous Warbler Iduna pallida | Olive-tree Warbler Hippolais olivetorum | 1 | 0 | 1 |
| Eastern Olivaceous Warbler Iduna pallida | Marsh Warbler Acrocephalus palustris | 1 | 1 | 0 |
| Upcher's Warbler Hippolais languida | Olive-tree Warbler Hippolais olivetorum | 1 | 1 | 0 |
| Moustached Warbler Acrocephalus melanopogon | Sedge Warbler Acrocephalus schoenobaenus | 1 | 0 | 1 |
| Moustached Warbler Acrocephalus melanopogon | Eurasian Wren Troglodytes troglodytes | 1 | 1 | 0 |
| Paddyfield Warbler Acrocephalus agricola | Savi's Warbler Locustella luscinioides | 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 |
| Sand Martin Riparia riparia | Barn Swallow Hirundo rustica | 1 | 1 | 0 |
| Sand Martin Riparia riparia | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| Eurasian Crag Martin Ptyonoprogne rupestris | Rock Martin Ptyonoprogne fuligula | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | Red-rumped Swallow Cecropis daurica | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Red-rumped Swallow Cecropis daurica | Red-throated Pipit Anthus cervinus | 1 | 1 | 0 |
| White-spectacled Bulbul Pycnonotus xanthopygos | House Sparrow Passer domesticus | 1 | 0 | 1 |
| Hume's Warbler Phylloscopus humei | Common Chiffchaff Phylloscopus collybita | 1 | 1 | 0 |
| Willow Warbler Phylloscopus trochilus | Common Chiffchaff Phylloscopus collybita | 1 | 0 | 1 |
| Willow Warbler Phylloscopus trochilus | European Greenfinch Chloris chloris | 1 | 1 | 0 |
| Willow Warbler Phylloscopus trochilus | Common Linnet Linaria cannabina | 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 |
| Common Chiffchaff Phylloscopus collybita | Meadow Pipit Anthus pratensis | 1 | 1 | 0 |
| Eurasian Blackcap Sylvia atricapilla | Arabian Warbler Curruca leucomelaena | 1 | 1 | 0 |
| Eurasian Blackcap Sylvia atricapilla | Common Starling Sturnus vulgaris | 1 | 1 | 0 |
| Arabian Warbler Curruca leucomelaena | Rüppell's Warbler Curruca ruppeli | 1 | 1 | 0 |
| 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 |
| Sardinian Warbler Curruca melanocephala | Common Linnet Linaria cannabina | 1 | 1 | 0 |
| Common Whitethroat Curruca communis | Spectacled Warbler Curruca conspicillata | 1 | 1 | 0 |
| Eurasian Wren Troglodytes troglodytes | Common Starling Sturnus vulgaris | 1 | 1 | 0 |
| Common Starling Sturnus vulgaris | Eurasian Blackbird Turdus merula | 1 | 1 | 0 |
| Rufous-tailed Scrub Robin Cercotrichas galactotes | Thrush Nightingale Luscinia luscinia | 1 | 0 | 1 |
| European Robin Erithacus rubecula | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| European Pied Flycatcher Ficedula hypoleuca | Common Redstart Phoenicurus phoenicurus | 1 | 0 | 1 |
| Pied Bushchat Saxicola caprata | Blackstart Oenanthe melanura | 1 | 0 | 1 |
| Pied Bushchat Saxicola caprata | Mourning Wheatear Oenanthe lugens | 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 |
| Desert Wheatear Oenanthe deserti | Red-rumped Wheatear Oenanthe moesta | 1 | 0 | 1 |
| Cyprus Wheatear Oenanthe cypriaca | Eastern Black-eared Wheatear Oenanthe melanoleuca | 1 | 0 | 1 |
| Cyprus Wheatear Oenanthe cypriaca | Kurdish Wheatear Oenanthe xanthoprymna | 1 | 1 | 0 |
| White-crowned Wheatear Oenanthe leucopyga | Mourning Wheatear Oenanthe lugens | 1 | 1 | 0 |
| Palestine Sunbird Cinnyris osea | Dead Sea Sparrow Passer moabiticus | 1 | 0 | 1 |
| House Sparrow Passer domesticus | Dead Sea Sparrow Passer moabiticus | 1 | 1 | 0 |
| Spanish Sparrow Passer hispaniolensis | Dead Sea Sparrow Passer moabiticus | 1 | 1 | 0 |
| Dead Sea Sparrow Passer moabiticus | Yellow-throated Sparrow Gymnoris xanthocollis | 1 | 0 | 1 |
| Grey Wagtail Motacilla cinerea | Tawny Pipit Anthus campestris | 1 | 1 | 0 |
| Richard's Pipit Anthus richardi | Tawny Pipit Anthus campestris | 1 | 0 | 1 |
| Long-billed Pipit Anthus similis | Tawny Pipit Anthus campestris | 1 | 1 | 0 |
| Water Pipit Anthus spinoletta | Buff-bellied Pipit Anthus rubescens | 1 | 0 | 1 |
| Sinai Rosefinch Carpodacus synoicus | Red-fronted Serin Serinus pusillus | 1 | 0 | 1 |
| Crimson-winged Finch Rhodopechys sanguineus | Trumpeter Finch Bucanetes githagineus | 1 | 1 | 0 |
| Trumpeter Finch Bucanetes githagineus | Desert Finch Rhodospiza obsoleta | 1 | 0 | 1 |
| Northern Shoveler Spatula clypeata | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Corn Bunting Emberiza calandra | Ortolan Bunting Emberiza hortulana | 1 | 0 | 1 |
| White-headed Duck Oxyura leucocephala | Pied Wheatear Oenanthe pleschanka | 1 | 0 | 1 |
| Black Francolin Francolinus francolinus | Common Quail Coturnix coturnix | 1 | 1 | 0 |
| Common Quail Coturnix coturnix | Chukar Alectoris chukar | 1 | 1 | 0 |
| Stock Dove Columba oenas | Eurasian Dotterel Eudromias morinellus | 1 | 0 | 1 |
| Common Woodpigeon Columba palumbus | Namaqua Dove Oena capensis | 1 | 1 | 0 |
| Collared Dove Streptopelia decaocto | Northern Lapwing Vanellus vanellus | 1 | 0 | 1 |
| Collared Dove Streptopelia decaocto | Common Nightingale Luscinia megarhynchos | 1 | 0 | 1 |
| Pin-tailed Sandgrouse Pterocles alchata | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Crowned Sandgrouse Pterocles coronatus | Lichtenstein's Sandgrouse Pterocles lichtensteinii | 1 | 1 | 0 |
| Common Cuckoo Cuculus canorus | Yellow-legged Gull Larus michahellis | 1 | 1 | 0 |