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 |
|---|---|---|---|---|
| Greater Coucal Centropus sinensis | Lesser Coucal Centropus bengalensis | 2 | 1 | 1 |
| Solitary Snipe Gallinago solitaria | Swinhoe's Snipe Gallinago megala | 2 | 2 | 0 |
| Buff-barred Warbler Phylloscopus pulcher | Brooks's Leaf Warbler Phylloscopus subviridis | 2 | 2 | 0 |
| Chestnut-bellied Rock Thrush Monticola rufiventris | Blue-capped Rock Thrush Monticola cinclorhyncha | 2 | 0 | 2 |
| Knob-billed Duck Sarkidiornis melanotos | Rufous-throated Wren-Babbler Spelaeornis caudatus | 1 | 1 | 0 |
| Northern Shoveler Spatula clypeata | Tricoloured Munia Lonchura malacca | 1 | 1 | 0 |
| White-cheeked Partridge Arborophila atrogularis | Western Tragopan Tragopan melanocephalus | 1 | 1 | 0 |
| Satyr Tragopan Tragopan satyra | Pacific Swift Apus pacificus | 1 | 1 | 0 |
| Red Spurfowl Galloperdix spadicea | Painted Spurfowl Galloperdix lunulata | 1 | 0 | 1 |
| Grey Junglefowl Gallus sonneratii | Bengal Florican Houbaropsis bengalensis | 1 | 1 | 0 |
| Chukar Alectoris chukar | Black-winged Stilt Himantopus himantopus | 1 | 1 | 0 |
| Greater Flamingo Phoenicopterus roseus | Rose-coloured Starling Pastor roseus | 1 | 1 | 0 |
| Slavonian Grebe Podiceps auritus | Great Crested Grebe Podiceps cristatus | 1 | 0 | 1 |
| Nilgiri Woodpigeon Columba elphinstonii | Andaman Woodpigeon Columba palumboides | 1 | 0 | 1 |
| Ashy-headed Green-Pigeon Treron phayrei | Yellow-footed Green-Pigeon Treron phoenicopterus | 1 | 1 | 0 |
| Yellow-footed Green-Pigeon Treron phoenicopterus | Green Imperial-Pigeon Ducula aenea | 1 | 1 | 0 |
| Malabar Imperial-Pigeon Ducula cuprea | Mountain Imperial-Pigeon Ducula badia | 1 | 1 | 0 |
| Great Indian Bustard Ardeotis nigriceps | Bengal Florican Houbaropsis bengalensis | 1 | 0 | 1 |
| Large-tailed Nightjar Caprimulgus macrurus | Jerdon's Nightjar Caprimulgus atripennis | 1 | 0 | 1 |
| Blyth's Swift Apus leuconyx | Little Swift Apus affinis | 1 | 0 | 1 |
| Common Moorhen Gallinula chloropus | Black-winged Stilt Himantopus himantopus | 1 | 1 | 0 |
| Great Thick-knee Esacus recurvirostris | Indian Thick-knee Burhinus indicus | 1 | 1 | 0 |
| Great Thick-knee Esacus recurvirostris | Beach Thick-knee Esacus magnirostris | 1 | 0 | 1 |
| Jack Snipe Lymnocryptes minimus | Wood Snipe Gallinago nemoricola | 1 | 1 | 0 |
| Solitary Snipe Gallinago solitaria | Great Snipe Gallinago media | 1 | 1 | 0 |
| Swinhoe's Snipe Gallinago megala | Common Snipe Gallinago gallinago | 1 | 0 | 1 |
| Cream-coloured Courser Cursorius cursor | Small Pratincole Glareola lactea | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Black-headed Gull Chroicocephalus ridibundus | 1 | 1 | 0 |
| Lesser Crested Tern Thalasseus bengalensis | Great Crested Tern Thalasseus bergii | 1 | 0 | 1 |
| Swinhoe's Storm-Petrel Hydrobates monorhis | Wedge-tailed Shearwater Ardenna pacifica | 1 | 1 | 0 |
| Jouanin's Petrel Bulweria fallax | Wedge-tailed Shearwater Ardenna pacifica | 1 | 0 | 1 |
| Lesser Adjutant Leptoptilos javanicus | Greater Adjutant Leptoptilos dubius | 1 | 0 | 1 |
| Black Bittern Botaurus flavicollis | Cinnamon Bittern Botaurus cinnamomeus | 1 | 1 | 0 |
| Javan Pond Heron Ardeola speciosa | Great White Egret Ardea alba | 1 | 1 | 0 |
| Great White Egret Ardea alba | Medium Egret Ardea intermedia | 1 | 1 | 0 |
| Grey Heron Ardea cinerea | White-bellied Heron Ardea insignis | 1 | 1 | 0 |
| Indian Vulture Gyps indicus | Himalayan Griffon Gyps himalayensis | 1 | 1 | 0 |
| Crested Serpent-Eagle Spilornis cheela | Andaman Serpent-Eagle Spilornis elgini | 1 | 1 | 0 |
| Bonelli's Eagle Aquila fasciata | White-eyed Buzzard Butastur teesa | 1 | 1 | 0 |
| Collared Scops Owl Otus lettia | Oriental Scops Owl Otus sunia | 1 | 1 | 0 |
| Brown Fish-Owl Ketupa zeylonensis | Tawny Fish-Owl Ketupa flavipes | 1 | 0 | 1 |
| Buffy Fish-Owl Ketupa ketupu | Dusky Eagle Owl Ketupa coromanda | 1 | 0 | 1 |
| Forest Owlet Athene blewitti | Brown Wood-Owl Strix leptogrammica | 1 | 1 | 0 |
| Little Egret Egretta garzetta | Indian Grey Hornbill Ocyceros birostris | 1 | 0 | 1 |
| Indian Grey Hornbill Ocyceros birostris | Malabar Grey Hornbill Ocyceros griseus | 1 | 1 | 0 |
| Rufous-necked Hornbill Aceros nipalensis | Wreathed Hornbill Rhyticeros undulatus | 1 | 1 | 0 |
| European Bee-eater Merops apiaster | Chestnut-headed Bee-eater Merops leschenaulti | 1 | 0 | 1 |
| Coppersmith Barbet Psilopogon haemacephalus | Lineated Barbet Psilopogon lineatus | 1 | 1 | 0 |
| Eurasian Wryneck Jynx torquilla | Heart-spotted Woodpecker Hemicircus canente | 1 | 1 | 0 |
| Fulvous-breasted Woodpecker Dendrocopos macei | Freckle-breasted Woodpecker Dendrocopos analis | 1 | 0 | 1 |
| Darjeeling Woodpecker Dendrocopos darjellensis | Himalayan Woodpecker Dendrocopos himalayensis | 1 | 0 | 1 |
| Grey-headed Woodpecker Picus canus | Great Slaty Woodpecker Mulleripicus pulverulentus | 1 | 1 | 0 |
| Indian Roller Coracias benghalensis | Ring-necked Parakeet Psittacula krameri | 1 | 0 | 1 |
| Blue-naped Pitta Hydrornis nipalensis | Blue-winged Pitta Pitta moluccensis | 1 | 1 | 0 |
| Blue-winged Pitta Pitta moluccensis | Nicobar Hooded Pitta Pitta abbotti | 1 | 0 | 1 |
| White-browed Shrike-Babbler Pteruthius aeralatus | Black-eared Shrike-Babbler Pteruthius melanotis | 1 | 1 | 0 |
| White-bellied Erpornis Erpornis zantholeuca | Himalayan Bulbul Pycnonotus leucogenys | 1 | 1 | 0 |
| White-bellied Erpornis Erpornis zantholeuca | Buff-breasted Babbler Pellorneum tickelli | 1 | 1 | 0 |
| Malabar Woodshrike Tephrodornis sylvicola | Large Woodshrike Tephrodornis virgatus | 1 | 1 | 0 |
| White-throated Fantail Rhipidura albicollis | White-browed Fantail Rhipidura aureola | 1 | 1 | 0 |
| Indian Paradise-Flycatcher Terpsiphone paradisi | Turkestan Shrike Lanius phoenicuroides | 1 | 0 | 1 |
| Bay-backed Shrike Lanius vittatus | Grey-backed Shrike Lanius tephronotus | 1 | 0 | 1 |
| Long-tailed Shrike Lanius schach | Grey-backed Shrike Lanius tephronotus | 1 | 0 | 1 |
| Masked Shrike Lanius nubicus | Black-headed Jay Garrulus lanceolatus | 1 | 1 | 0 |
| Fire-capped Tit Cephalopyrus flammiceps | Sultan Tit Melanochlora sultanea | 1 | 1 | 0 |
| Yellow-browed Tit Sylviparus modestus | Sultan Tit Melanochlora sultanea | 1 | 1 | 0 |
| Black-crowned Sparrow-Lark Eremopterix nigriceps | Singing Bushlark Mirafra javanica | 1 | 0 | 1 |
| Jerdon's Bushlark Plocealauda affinis | Indian Bushlark Plocealauda erythroptera | 1 | 1 | 0 |
| Greater Short-toed Lark Calandrella brachydactyla | Bimaculated Lark Melanocorypha bimaculata | 1 | 1 | 0 |
| Shore Lark Eremophila alpestris | Mongolian Short-toed Lark Calandrella dukhunensis | 1 | 0 | 1 |
| Turkestan Short-toed Lark Alaudala heinei | Sand Lark Alaudala raytal | 1 | 1 | 0 |
| Sand Lark Alaudala raytal | Crested Lark Galerida cristata | 1 | 0 | 1 |
| Common Tailorbird Orthotomus sutorius | Dark-necked Tailorbird Orthotomus atrogularis | 1 | 0 | 1 |
| Dark-necked Tailorbird Orthotomus atrogularis | Rufous-crowned Prinia Prinia khasiana | 1 | 1 | 0 |
| Black-throated Prinia Prinia atrogularis | Rufous-crowned Prinia Prinia khasiana | 1 | 0 | 1 |
| Delicate Prinia Prinia lepida | Jungle Prinia Prinia sylvatica | 1 | 0 | 1 |
| Indian Grey Hornbill Ocyceros birostris | Zitting Cisticola Cisticola juncidis | 1 | 0 | 1 |
| Blunt-winged Warbler Acrocephalus concinens | Blyth's Reed Warbler Acrocephalus dumetorum | 1 | 1 | 0 |
| West Himalayan Bush Warbler Locustella kashmirensis | Russet Bush Warbler Locustella mandelli | 1 | 0 | 1 |
| Bristled Grassbird Schoenicola striatus | Chestnut-tailed Starling Sturnia malabarica | 1 | 1 | 0 |
| Grey-throated Martin Riparia chinensis | Pale Martin Riparia diluta | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | Tricoloured Munia Lonchura malacca | 1 | 1 | 0 |
| Siberian House Martin Delichon lagopodum | Red-rumped Swallow Cecropis daurica | 1 | 1 | 0 |
| Nepal House Martin Delichon nipalense | Streak-throated Swallow Petrochelidon fluvicola | 1 | 1 | 0 |
| Yellow-browed Bulbul Acritillas indica | Mountain Bulbul Ixos mcclellandii | 1 | 1 | 0 |
| Black-headed Bulbul Microtarsus melanocephalos | Andaman Bulbul Microtarsus fuscoflavescens | 1 | 0 | 1 |
| White-browed Bulbul Pycnonotus luteolus | Flavescent Bulbul Pycnonotus flavescens | 1 | 0 | 1 |
| Buff-barred Warbler Phylloscopus pulcher | Lemon-rumped Warbler Phylloscopus chloronotus | 1 | 1 | 0 |
| Green Warbler Phylloscopus nitidus | Greenish Warbler Phylloscopus trochiloides | 1 | 0 | 1 |
| Blyth's Leaf Warbler Phylloscopus reguloides | Claudia's Leaf Warbler Phylloscopus claudiae | 1 | 0 | 1 |
| Claudia's Leaf Warbler Phylloscopus claudiae | Pale-footed Bush Warbler Hemitesia pallidipes | 1 | 0 | 1 |
| Grey-bellied Tesia Tesia cyaniventer | Slaty-bellied Tesia Tesia olivea | 1 | 1 | 0 |
| White-browed Tit-Warbler Leptopoecile sophiae | Black-throated Tit Aegithalos concinnus | 1 | 1 | 0 |
| Brown-throated Fulvetta Fulvetta ludlowi | White-browed Fulvetta Fulvetta vinipectus | 1 | 0 | 1 |
| Black-chinned Yuhina Yuhina nigrimenta | White-naped Yuhina Yuhina bakeri | 1 | 1 | 0 |
| Dark-fronted Babbler Dumetia atriceps | Black-chinned Babbler Cyanoderma pyrrhops | 1 | 1 | 0 |
| Bar-winged Wren-Babbler Spelaeornis troglodytoides | Naga Wren-Babbler Spelaeornis chocolatinus | 1 | 0 | 1 |
| Black-crowned Scimitar-Babbler Pomatorhinus ferruginosus | Red-billed Scimitar-Babbler Pomatorhinus ochraceiceps | 1 | 1 | 0 |
| Brown-crowned Scimitar-Babbler Pomatorhinus phayrei | Red-billed Scimitar-Babbler Pomatorhinus ochraceiceps | 1 | 1 | 0 |
| White-browed Scimitar-Babbler Pomatorhinus schisticeps | Eyebrowed Wren-Babbler Napothera epilepidota | 1 | 1 | 0 |
| Rusty-cheeked Scimitar-Babbler Erythrogenys erythrogenys | Spot-breasted Scimitar-Babbler Erythrogenys mcclellandi | 1 | 0 | 1 |
| Sikkim Wedge-billed Babbler Stachyris humei | Cachar Wedge-billed Babbler Stachyris roberti | 1 | 1 | 0 |
| Long-billed Wren-Babbler Napothera malacoptila | Palani Laughingthrush Montecincla fairbanki | 1 | 0 | 1 |
| Ashambu Laughingthrush Montecincla meridionalis | Grey Sibia Heterophasia gracilis | 1 | 1 | 0 |
| White-cheeked Nuthatch Sitta leucopsis | White-tailed Nuthatch Sitta himalayensis | 1 | 1 | 0 |
| Golden-crested Myna Ampeliceps coronatus | Common Hill Myna Gracula religiosa | 1 | 0 | 1 |
| Daurian Starling Agropsar sturninus | White-shouldered Starling Sturnia sinensis | 1 | 1 | 0 |
| Indian Pied Starling Gracupica contra | Oriental Magpie-Robin Copsychus saularis | 1 | 1 | 0 |
| Malabar Starling Sturnia blythii | White-headed Starling Sturnia erythropygia | 1 | 1 | 0 |
| Red-billed Starling Spodiopsar sericeus | White-cheeked Starling Spodiopsar cineraceus | 1 | 1 | 0 |
| Bank Myna Acridotheres ginginianus | Jungle Myna Acridotheres fuscus | 1 | 0 | 1 |
| Alpine Thrush Zoothera mollissima | Himalayan Thrush Zoothera salimalii | 1 | 1 | 0 |
| Dark-sided Thrush Zoothera marginata | Scaly Thrush Zoothera dauma | 1 | 1 | 0 |
| Indian Blackbird Turdus simillimus | Tickell's Thrush Turdus unicolor | 1 | 1 | 0 |
| Brown-cheeked Rail Rallus indicus | Naumann's Thrush Turdus naumanni | 1 | 0 | 1 |
| Rufous Treepie Dendrocitta vagabunda | Oriental Magpie-Robin Copsychus saularis | 1 | 0 | 1 |
| White-rumped Shama Copsychus malabaricus | Andaman Shama Copsychus albiventris | 1 | 0 | 1 |
| White-tailed Flycatcher Leucoptilon concretum | Slaty-blue Flycatcher Ficedula tricolor | 1 | 1 | 0 |
| Small Niltava Niltava macgrigoriae | Chinese Vivid Niltava Niltava oatesi | 1 | 0 | 1 |
| Black-backed Forktail Enicurus immaculatus | Slaty-backed Forktail Enicurus schistaceus | 1 | 0 | 1 |
| Himalayan Rubythroat Calliope pectoralis | Chinese Rubythroat Calliope tschebaiewi | 1 | 0 | 1 |
| Blue-fronted Robin Cinclidium frontale | Ultramarine Flycatcher Ficedula superciliaris | 1 | 1 | 0 |
| Slaty-blue Flycatcher Ficedula tricolor | Pygmy Flycatcher Ficedula hodgsoni | 1 | 0 | 1 |
| Hodgson's Redstart Phoenicurus hodgsoni | Black Redstart Phoenicurus ochruros | 1 | 1 | 0 |
| Blue-winged Leafbird Chloropsis moluccensis | Golden-fronted Leafbird Chloropsis aurifrons | 1 | 1 | 0 |
| Plume-toed Swiftlet Collocalia affinis | Baya Weaver Ploceus philippinus | 1 | 0 | 1 |
| Little Cormorant Microcarbo niger | Baya Weaver Ploceus philippinus | 1 | 0 | 1 |
| Indian Pied Starling Gracupica contra | Tricoloured Munia Lonchura malacca | 1 | 0 | 1 |
| Alpine Accentor Prunella collaris | Rufous-breasted Accentor Prunella strophiata | 1 | 1 | 0 |
| Brown Accentor Prunella fulvescens | Black-throated Accentor Prunella atrogularis | 1 | 1 | 0 |
| Yellow-throated Sparrow Gymnoris xanthocollis | Pale Rockfinch Carpospiza brachydactyla | 1 | 0 | 1 |
| Jungle Nightjar Caprimulgus indicus | Rufous-necked Snowfinch Pyrgilauda ruficollis | 1 | 0 | 1 |
| Rock Sparrow Petronia petronia | Rufous-necked Snowfinch Pyrgilauda ruficollis | 1 | 0 | 1 |
| Water Pipit Anthus spinoletta | Buff-bellied Pipit Anthus rubescens | 1 | 0 | 1 |
| Black-and-yellow Grosbeak Mycerobas icterioides | Collared Grosbeak Mycerobas affinis | 1 | 0 | 1 |
| Himalayan Beautiful Rosefinch Carpodacus pulcherrimus | Blanford's Rosefinch Agraphospiza rubescens | 1 | 1 | 0 |
| Orange Bullfinch Pyrrhula aurantiaca | Red-headed Bullfinch Pyrrhula erythrocephala | 1 | 0 | 1 |
| Spectacled Finch Callacanthis burtoni | Dark-breasted Rosefinch Procarduelis nipalensis | 1 | 0 | 1 |
| White-capped Bunting Emberiza stewarti | Grey-necked Bunting Emberiza buchanani | 1 | 1 | 0 |
| Ortolan Bunting Emberiza hortulana | Striolated Bunting Emberiza striolata | 1 | 0 | 1 |