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 |
|---|---|---|---|---|
| Whimbrel Numenius phaeopus | Eurasian Curlew Numenius arquata | 3 | 2 | 1 |
| Rusty-tailed Flycatcher Ficedula ruficauda | Blue-fronted Redstart Phoenicurus frontalis | 2 | 0 | 2 |
| Brown Crake Zapornia akool | Baillon's Crake Zapornia pusilla | 2 | 0 | 2 |
| Greater Flameback Chrysocolaptes guttacristatus | Himalayan Flameback Dinopium shorii | 2 | 0 | 2 |
| Rock Dove Columba livia | Hill Pigeon Columba rupestris | 2 | 0 | 2 |
| Himalayan Shortwing Brachypteryx cruralis | White-bellied Redstart Luscinia phaenicuroides | 2 | 1 | 1 |
| Grey Nightjar Caprimulgus jotaka | Large-tailed Nightjar Caprimulgus macrurus | 2 | 2 | 0 |
| Fire-tailed Sunbird Aethopyga ignicauda | Green-tailed Sunbird Aethopyga nipalensis | 2 | 0 | 2 |
| White-collared Blackbird Turdus albocinctus | Dusky Thrush Turdus eunomus | 2 | 0 | 2 |
| Ashy-crowned Sparrow-Lark Eremopterix griseus | Bengal Bushlark Plocealauda assamica | 2 | 1 | 1 |
| Asian Koel Eudynamys scolopaceus | Asian Emerald Cuckoo Chrysococcyx maculatus | 1 | 1 | 0 |
| Asian Emerald Cuckoo Chrysococcyx maculatus | Banded Bay Cuckoo Cacomantis sonneratii | 1 | 1 | 0 |
| Banded Bay Cuckoo Cacomantis sonneratii | Common Cuckoo Cuculus canorus | 1 | 0 | 1 |
| Square-tailed Drongo-Cuckoo Surniculus lugubris | Common Hawk-Cuckoo Hierococcyx varius | 1 | 1 | 0 |
| Common Hawk-Cuckoo Hierococcyx varius | Himalayan Cuckoo Cuculus saturatus | 1 | 1 | 0 |
| Himalayan Swiftlet Aerodramus brevirostris | Alpine Swift Tachymarptis melba | 1 | 1 | 0 |
| Blyth's Swift Apus leuconyx | House Swift Apus nipalensis | 1 | 1 | 0 |
| Blyth's Swift Apus leuconyx | Asian Palm Swift Cypsiurus balasiensis | 1 | 0 | 1 |
| House Swift Apus nipalensis | Black Drongo Dicrurus macrocercus | 1 | 1 | 0 |
| Brown-cheeked Rail Rallus indicus | Slaty-breasted Rail Lewinia striata | 1 | 1 | 0 |
| Common Moorhen Gallinula chloropus | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Baillon's Crake Zapornia pusilla | Demoiselle Crane Grus virgo | 1 | 0 | 1 |
| Great Thick-knee Esacus recurvirostris | Black-winged Stilt Himantopus himantopus | 1 | 1 | 0 |
| Black-winged Stilt Himantopus himantopus | Pied Avocet Recurvirostra avosetta | 1 | 1 | 0 |
| Tibetan Sand Plover Anarhynchus atrifrons | Kentish Plover Anarhynchus alexandrinus | 1 | 0 | 1 |
| Solitary Snipe Gallinago solitaria | Wood Snipe Gallinago nemoricola | 1 | 1 | 0 |
| Common Redshank Tringa totanus | Common Greenshank Tringa nebularia | 1 | 1 | 0 |
| Black-headed Gull Chroicocephalus ridibundus | Pallas's Gull Ichthyaetus ichthyaetus | 1 | 0 | 1 |
| Gull-billed Tern Gelochelidon nilotica | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Whiskered Tern Chlidonias hybrida | Common Tern Sterna hirundo | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Black-bellied Tern Sterna acuticauda | 1 | 0 | 1 |
| Black Stork Ciconia nigra | Black-necked Stork Ephippiorhynchus asiaticus | 1 | 1 | 0 |
| Oriental Darter Anhinga melanogaster | Little Cormorant Microcarbo niger | 1 | 0 | 1 |
| Eurasian Bittern Botaurus stellaris | Cinnamon Bittern Botaurus cinnamomeus | 1 | 1 | 0 |
| Black Bittern Botaurus flavicollis | Striated Babbler Argya earlei | 1 | 1 | 0 |
| Yellow Bittern Botaurus sinensis | Black-crowned Night Heron Nycticorax nycticorax | 1 | 1 | 0 |
| Eastern Cattle-Egret Ardea coromanda | Medium Egret Ardea intermedia | 1 | 1 | 0 |
| Great White Egret Ardea alba | Medium Egret Ardea intermedia | 1 | 1 | 0 |
| Crested Honey-buzzard Pernis ptilorhynchus | Mountain Hawk-Eagle Nisaetus nipalensis | 1 | 0 | 1 |
| Black Baza Aviceda leuphotes | Black Vulture Aegypius monachus | 1 | 0 | 1 |
| White-rumped Vulture Gyps bengalensis | Himalayan Griffon Gyps himalayensis | 1 | 0 | 1 |
| Himalayan Griffon Gyps himalayensis | Griffon Vulture Gyps fulvus | 1 | 0 | 1 |
| Griffon Vulture Gyps fulvus | Mountain Hawk-Eagle Nisaetus nipalensis | 1 | 1 | 0 |
| Crested Serpent-Eagle Spilornis cheela | Mountain Hawk-Eagle Nisaetus nipalensis | 1 | 0 | 1 |
| Black Eagle Ictinaetus malaiensis | Booted Eagle Hieraaetus pennatus | 1 | 1 | 0 |
| Indian Spotted Eagle Clanga hastata | Booted Eagle Hieraaetus pennatus | 1 | 0 | 1 |
| Golden Eagle Aquila chrysaetos | Hen Harrier Circus cyaneus | 1 | 1 | 0 |
| Shikra Tachyspiza badia | Eurasian Sparrowhawk Accipiter nisus | 1 | 0 | 1 |
| Eurasian Sparrowhawk Accipiter nisus | Eurasian Goshawk Astur gentilis | 1 | 0 | 1 |
| Eurasian Goshawk Astur gentilis | Black Kite Milvus migrans | 1 | 0 | 1 |
| Black Kite Milvus migrans | Brahminy Kite Haliastur indus | 1 | 1 | 0 |
| Mountain Scops Owl Otus spilocephalus | Collared Scops Owl Otus lettia | 1 | 1 | 0 |
| Rock Eagle Owl Bubo bengalensis | Eurasian Eagle Owl Bubo bubo | 1 | 1 | 0 |
| Brown Fish-Owl Ketupa zeylonensis | Spot-bellied Eagle Owl Ketupa nipalensis | 1 | 1 | 0 |
| Asian Barred Owlet Glaucidium cuculoides | Jungle Owlet Glaucidium radiatum | 1 | 1 | 0 |
| Himalayan Owl Strix nivicolum | Brown Boobook Ninox scutulata | 1 | 0 | 1 |
| White-browed Piculet Sasia ochracea | Brown-capped Pygmy Woodpecker Yungipicus nanus | 1 | 0 | 1 |
| Rufous-bellied Woodpecker Dendrocopos hyperythrus | Darjeeling Woodpecker Dendrocopos darjellensis | 1 | 1 | 0 |
| Darjeeling Woodpecker Dendrocopos darjellensis | Himalayan Woodpecker Dendrocopos himalayensis | 1 | 0 | 1 |
| Lesser Kestrel Falco naumanni | Grey Treepie Dendrocitta formosae | 1 | 1 | 0 |
| Eurasian Hobby Falco subbuteo | Laggar Falcon Falco jugger | 1 | 1 | 0 |
| Oriental Hobby Falco severus | Rufous Sibia Heterophasia capistrata | 1 | 1 | 0 |
| Slaty-headed Parakeet Psittacula himalayana | Plum-headed Parakeet Psittacula cyanocephala | 1 | 0 | 1 |
| Long-tailed Broadbill Psarisomus dalhousiae | Western Hooded Pitta Pitta sordida | 1 | 0 | 1 |
| Blue-naped Pitta Hydrornis nipalensis | Western Hooded Pitta Pitta sordida | 1 | 0 | 1 |
| Small Minivet Pericrocotus cinnamomeus | Grey-chinned Minivet Pericrocotus solaris | 1 | 1 | 0 |
| Short-billed Minivet Pericrocotus brevirostris | Scarlet Minivet Pericrocotus speciosus | 1 | 1 | 0 |
| Long-tailed Minivet Pericrocotus ethologus | Scarlet Minivet Pericrocotus speciosus | 1 | 0 | 1 |
| Large Woodshrike Tephrodornis virgatus | Bar-winged Flycatcher-shrike Hemipus picatus | 1 | 0 | 1 |
| Ashy Drongo Dicrurus leucophaeus | Crow-billed Drongo Dicrurus annectens | 1 | 0 | 1 |
| Lesser Racket-tailed Drongo Dicrurus remifer | Greater Racket-tailed Drongo Dicrurus paradiseus | 1 | 0 | 1 |
| Hair-crested Drongo Dicrurus hottentottus | Greater Racket-tailed Drongo Dicrurus paradiseus | 1 | 0 | 1 |
| Hair-crested Drongo Dicrurus hottentottus | Black-naped Monarch Hypothymis azurea | 1 | 0 | 1 |
| Black-headed Jay Garrulus lanceolatus | Yellow-billed Blue-Magpie Urocissa flavirostris | 1 | 1 | 0 |
| Yellow-billed Blue-Magpie Urocissa flavirostris | Red-billed Blue-Magpie Urocissa erythroryncha | 1 | 1 | 0 |
| Yellow-browed Tit Sylviparus modestus | Coal Tit Periparus ater | 1 | 1 | 0 |
| Ground Tit Pseudopodoces humilis | Grey-breasted Prinia Prinia hodgsonii | 1 | 1 | 0 |
| Himalayan Prinia Prinia crinigera | Grey-breasted Prinia Prinia hodgsonii | 1 | 1 | 0 |
| Plain Prinia Prinia inornata | Zitting Cisticola Cisticola juncidis | 1 | 1 | 0 |
| Chinese Bush Warbler Locustella tacsanowskia | Bristled Grassbird Schoenicola striatus | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | Wire-tailed Swallow Hirundo smithii | 1 | 0 | 1 |
| Asian House Martin Delichon dasypus | Nepal House Martin Delichon nipalense | 1 | 1 | 0 |
| White-throated Bulbul Alophoixus flaveolus | Mountain Bulbul Ixos mcclellandii | 1 | 1 | 0 |
| Ashy Bulbul Hemixos flavala | Mountain Bulbul Ixos mcclellandii | 1 | 1 | 0 |
| Mountain Bulbul Ixos mcclellandii | Black Bulbul Hypsipetes leucocephalus | 1 | 1 | 0 |
| Ashy-throated Warbler Phylloscopus maculipennis | Lemon-rumped Warbler Phylloscopus chloronotus | 1 | 1 | 0 |
| Yellow-browed Warbler Phylloscopus inornatus | Hume's Warbler Phylloscopus humei | 1 | 0 | 1 |
| Sulphur-bellied Warbler Phylloscopus griseolus | Tickell's Leaf Warbler Phylloscopus affinis | 1 | 0 | 1 |
| Tickell's Leaf Warbler Phylloscopus affinis | Rufous-vented Grass Babbler Laticilla burnesii | 1 | 0 | 1 |
| Green-crowned Warbler Phylloscopus burkii | Whistler's Warbler Phylloscopus whistleri | 1 | 0 | 1 |
| Pale-footed Bush Warbler Hemitesia pallidipes | Blue-winged Minla Actinodura cyanouroptera | 1 | 1 | 0 |
| Chestnut-crowned Bush Warbler Cettia major | Grey-sided Bush Warbler Cettia brunnifrons | 1 | 0 | 1 |
| Black-faced Warbler Abroscopus schisticeps | Brownish-flanked Bush Warbler Horornis fortipes | 1 | 1 | 0 |
| Black-faced Warbler Abroscopus schisticeps | Aberrant Bush Warbler Horornis flavolivaceus | 1 | 0 | 1 |
| White-browed Tit-Warbler Leptopoecile sophiae | Black-throated Tit Aegithalos concinnus | 1 | 0 | 1 |
| Fire-tailed Myzornis Myzornis pyrrhoura | Golden-breasted Fulvetta Lioparus chrysotis | 1 | 0 | 1 |
| Jerdon's Babbler Chrysomma altirostre | Great Parrotbill Paradoxornis aemodius | 1 | 0 | 1 |
| Jerdon's Babbler Chrysomma altirostre | Chestnut-eared Bunting Emberiza fucata | 1 | 1 | 0 |
| Brown Parrotbill Paradoxornis unicolor | Gold-naped Finch Pyrrhoplectes epauletta | 1 | 1 | 0 |
| Whiskered Yuhina Yuhina flavicollis | White-naped Yuhina Yuhina bakeri | 1 | 0 | 1 |
| Streak-breasted Scimitar-Babbler Pomatorhinus ruficollis | White-browed Scimitar-Babbler Pomatorhinus schisticeps | 1 | 1 | 0 |
| Nepal Fulvetta Alcippe nipalensis | Himalayan Cutia Cutia nipalensis | 1 | 1 | 0 |
| Streaked Laughingthrush Trochalopteron lineatum | Black-faced Laughingthrush Trochalopteron affine | 1 | 1 | 0 |
| Black-faced Laughingthrush Trochalopteron affine | Grey-sided Laughingthrush Pterorhinus caerulatus | 1 | 1 | 0 |
| Rufous Sibia Heterophasia capistrata | Blue-winged Minla Actinodura cyanouroptera | 1 | 1 | 0 |
| Red-faced Liocichla Liocichla phoenicea | Red-headed Bullfinch Pyrrhula erythrocephala | 1 | 0 | 1 |
| Slender-billed Babbler Argya longirostris | White-rumped Shama Copsychus malabaricus | 1 | 1 | 0 |
| Rusty-flanked Treecreeper Certhia nipalensis | Blue Rock Thrush Monticola solitarius | 1 | 1 | 0 |
| Brahminy Starling Sturnia pagodarum | Bank Myna Acridotheres ginginianus | 1 | 1 | 0 |
| Long-tailed Thrush Zoothera dixoni | Himalayan Shortwing Brachypteryx cruralis | 1 | 0 | 1 |
| Alpine Thrush Zoothera mollissima | Scaly Thrush Zoothera dauma | 1 | 1 | 0 |
| Grey-sided Thrush Turdus feae | White-backed Thrush Turdus kessleri | 1 | 0 | 1 |
| White-backed Thrush Turdus kessleri | Tibetan Blackbird Turdus maximus | 1 | 1 | 0 |
| Red-throated Thrush Turdus ruficollis | Dusky Thrush Turdus eunomus | 1 | 1 | 0 |
| Dark-sided Flycatcher Muscicapa sibirica | Large Niltava Niltava grandis | 1 | 1 | 0 |
| Indian Robin Copsychus fulicatus | White-rumped Shama Copsychus malabaricus | 1 | 1 | 0 |
| White-rumped Shama Copsychus malabaricus | Large Niltava Niltava grandis | 1 | 0 | 1 |
| Slaty-blue Flycatcher Ficedula tricolor | Rufous-gorgeted Flycatcher Ficedula strophiata | 1 | 1 | 0 |
| Rufous-gorgeted Flycatcher Ficedula strophiata | Sapphire Flycatcher Ficedula sapphira | 1 | 0 | 1 |
| Rusty-tailed Flycatcher Ficedula ruficauda | Taiga Flycatcher Ficedula albicilla | 1 | 0 | 1 |
| Chestnut-bellied Rock Thrush Monticola rufiventris | Blue Rock Thrush Monticola solitarius | 1 | 0 | 1 |
| Siberian Stonechat Saxicola maurus | White-tailed Stonechat Saxicola leucurus | 1 | 0 | 1 |
| White-tailed Stonechat Saxicola leucurus | Grey Bushchat Saxicola ferreus | 1 | 0 | 1 |
| Desert Wheatear Oenanthe deserti | Vinaceous Rosefinch Carpodacus vinaceus | 1 | 0 | 1 |
| Pied Wheatear Oenanthe pleschanka | Brown Rock Chat Oenanthe fusca | 1 | 1 | 0 |
| Variable Wheatear Oenanthe picata | Scarlet-backed Flowerpecker Dicaeum cruentatum | 1 | 0 | 1 |
| Black-throated Sunbird Aethopyga saturata | Black-faced Bunting Emberiza spodocephala | 1 | 1 | 0 |
| Mrs. Gould's Sunbird Aethopyga gouldiae | Crimson Sunbird Aethopyga siparaja | 1 | 1 | 0 |
| Baya Weaver Ploceus philippinus | Indian Silverbill Euodice malabarica | 1 | 1 | 0 |
| Brown Accentor Prunella fulvescens | Black-throated Accentor Prunella atrogularis | 1 | 0 | 1 |
| Russet Sparrow Passer cinnamomeus | Eurasian Tree Sparrow Passer montanus | 1 | 0 | 1 |
| White-rumped Snowfinch Onychostruthus taczanowskii | Rufous-necked Snowfinch Pyrgilauda ruficollis | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Brambling Fringilla montifringilla | 1 | 1 | 0 |
| Black-and-yellow Grosbeak Mycerobas icterioides | Spot-winged Grosbeak Mycerobas melanozanthos | 1 | 0 | 1 |
| Spot-winged Grosbeak Mycerobas melanozanthos | Common Rosefinch Carpodacus erythrinus | 1 | 1 | 0 |
| Scarlet Finch Carpodacus sipahi | Himalayan Beautiful Rosefinch Carpodacus pulcherrimus | 1 | 1 | 0 |
| Himalayan Beautiful Rosefinch Carpodacus pulcherrimus | Pink-browed Rosefinch Carpodacus rodochroa | 1 | 0 | 1 |
| Dark-rumped Rosefinch Carpodacus edwardsii | Vinaceous Rosefinch Carpodacus vinaceus | 1 | 1 | 0 |
| Vinaceous Rosefinch Carpodacus vinaceus | Streaked Rosefinch Carpodacus rubicilloides | 1 | 1 | 0 |
| Vinaceous Rosefinch Carpodacus vinaceus | Yellowhammer Emberiza citrinella | 1 | 0 | 1 |
| Streaked Rosefinch Carpodacus rubicilloides | Great Rosefinch Carpodacus rubicilla | 1 | 1 | 0 |
| Crimson-browed Finch Carpodacus subhimachalus | Red-headed Bullfinch Pyrrhula erythrocephala | 1 | 1 | 0 |
| Blanford's Rosefinch Agraphospiza rubescens | Dark-breasted Rosefinch Procarduelis nipalensis | 1 | 1 | 0 |
| Plain Mountain Finch Leucosticte nemoricola | Black-headed Mountain Finch Leucosticte brandti | 1 | 0 | 1 |
| Yellow-breasted Greenfinch Chloris spinoides | Tibetan Serin Spinus thibetanus | 1 | 0 | 1 |
| Rock Bunting Emberiza cia | Yellowhammer Emberiza citrinella | 1 | 1 | 0 |
| Knob-billed Duck Sarkidiornis melanotos | Garganey Spatula querquedula | 1 | 1 | 0 |
| Yellowhammer Emberiza citrinella | Little Bunting Emberiza pusilla | 1 | 0 | 1 |
| Hill Partridge Arborophila torqueola | Rufous-throated Partridge Arborophila rufogularis | 1 | 1 | 0 |
| Swamp Francolin Ortygornis gularis | Black Francolin Francolinus francolinus | 1 | 0 | 1 |
| Speckled Woodpigeon Columba hodgsonii | Ashy Woodpigeon Columba pulchricollis | 1 | 0 | 1 |
| Asian Emerald Dove Chalcophaps indica | Ashy-headed Green-Pigeon Treron phayrei | 1 | 0 | 1 |
| Orange-breasted Green-Pigeon Treron bicinctus | Wedge-tailed Green-Pigeon Treron sphenurus | 1 | 0 | 1 |
| Ashy-headed Green-Pigeon Treron phayrei | Thick-billed Green-Pigeon Treron curvirostra | 1 | 1 | 0 |
| Yellow-footed Green-Pigeon Treron phoenicopterus | Wedge-tailed Green-Pigeon Treron sphenurus | 1 | 0 | 1 |
| Wedge-tailed Green-Pigeon Treron sphenurus | Lemon-rumped Warbler Phylloscopus chloronotus | 1 | 1 | 0 |
| Pied Cuckoo Clamator jacobinus | Lesser Cuckoo Cuculus poliocephalus | 1 | 0 | 1 |