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 |
|---|---|---|---|---|
| Crimson-backed Flameback Chrysocolaptes stricklandi | Red-backed Flameback Dinopium psarodes | 4 | 1 | 3 |
| Streaked Weaver Ploceus manyar | Baya Weaver Ploceus philippinus | 3 | 2 | 1 |
| Brown-breasted Flycatcher Muscicapa muttui | Indian Robin Copsychus fulicatus | 2 | 1 | 1 |
| Small Minivet Pericrocotus cinnamomeus | Orange Minivet Pericrocotus flammeus | 2 | 2 | 0 |
| Sri Lanka White-eye Zosterops ceylonensis | Indian White-eye Zosterops palpebrosus | 2 | 0 | 2 |
| White-tailed Tropicbird Phaethon lepturus | Red-billed Tropicbird Phaethon aethereus | 2 | 2 | 0 |
| Green-billed Coucal Centropus chlororhynchos | Blue-faced Malkoha Phaenicophaeus viridirostris | 1 | 0 | 1 |
| Green-billed Coucal Centropus chlororhynchos | Asian Koel Eudynamys scolopaceus | 1 | 1 | 0 |
| Pied Cuckoo Clamator jacobinus | Grey-bellied Cuckoo Cacomantis passerinus | 1 | 1 | 0 |
| Grey-bellied Cuckoo Cacomantis passerinus | Indian Cuckoo Cuculus micropterus | 1 | 0 | 1 |
| Eurasian Coot Fulica atra | Jouanin's Petrel Bulweria fallax | 1 | 0 | 1 |
| Grey Plover Pluvialis squatarola | Pacific Golden Plover Pluvialis fulva | 1 | 1 | 0 |
| Red-wattled Lapwing Vanellus indicus | Jerdon's Leafbird Chloropsis jerdoni | 1 | 1 | 0 |
| Tibetan Sand Plover Anarhynchus atrifrons | Kentish Plover Anarhynchus alexandrinus | 1 | 0 | 1 |
| Great Knot Calidris tenuirostris | Red Knot Calidris canutus | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Common Tailorbird Orthotomus sutorius | 1 | 0 | 1 |
| Black-headed Gull Chroicocephalus ridibundus | Brown-headed Gull Chroicocephalus brunnicephalus | 1 | 0 | 1 |
| Brown Noddy Anous stolidus | Lesser Noddy Anous tenuirostris | 1 | 1 | 0 |
| Sooty Tern Onychoprion fuscatus | Bridled Tern Onychoprion anaethetus | 1 | 1 | 0 |
| Lesser Crested Tern Thalasseus bengalensis | Great Crested Tern Thalasseus bergii | 1 | 0 | 1 |
| Black-bellied Storm-Petrel Fregetta tropica | Bulwer's Petrel Bulweria bulwerii | 1 | 1 | 0 |
| Swinhoe's Storm-Petrel Hydrobates monorhis | Flesh-footed Shearwater Ardenna carneipes | 1 | 1 | 0 |
| Bulwer's Petrel Bulweria bulwerii | Jouanin's Petrel Bulweria fallax | 1 | 0 | 1 |
| Lesser Frigatebird Fregata ariel | Great Frigatebird Fregata minor | 1 | 1 | 0 |
| Yellow Bittern Botaurus sinensis | Malayan Night Heron Gorsachius melanolophus | 1 | 1 | 0 |
| Eastern Cattle-Egret Ardea coromanda | Grey Heron Ardea cinerea | 1 | 1 | 0 |
| Crested Honey-buzzard Pernis ptilorhynchus | Changeable Hawk-Eagle Nisaetus cirrhatus | 1 | 1 | 0 |
| Legge's Hawk-Eagle Nisaetus kelaarti | Rufous-bellied Eagle Lophotriorchis kienerii | 1 | 0 | 1 |
| Black Eagle Ictinaetus malaiensis | Black Kite Milvus migrans | 1 | 1 | 0 |
| American Barn Owl Tyto furcata | Jungle Owlet Glaucidium radiatum | 1 | 1 | 0 |
| Serendib Scops Owl Otus thilohoffmanni | Oriental Scops Owl Otus sunia | 1 | 0 | 1 |
| Jungle Owlet Glaucidium radiatum | Brown Wood-Owl Strix leptogrammica | 1 | 1 | 0 |
| Common Kingfisher Alcedo atthis | Blue-eared Kingfisher Alcedo meninting | 1 | 0 | 1 |
| White-throated Kingfisher Halcyon smyrnensis | House Crow Corvus splendens | 1 | 0 | 1 |
| Asian Green Bee-eater Merops orientalis | Chestnut-headed Bee-eater Merops leschenaulti | 1 | 1 | 0 |
| Black-rumped Flameback Dinopium benghalense | Lesser Yellownape Picus chlorolophus | 1 | 0 | 1 |
| Plum-headed Parakeet Psittacula cyanocephala | Layard's Parakeet Psittacula calthrapae | 1 | 1 | 0 |
| Large Cuckooshrike Coracina macei | Black-headed Cuckooshrike Lalage melanoptera | 1 | 1 | 0 |
| Black-hooded Oriole Oriolus xanthornus | Sri Lanka Woodshrike Tephrodornis affinis | 1 | 1 | 0 |
| Black Drongo Dicrurus macrocercus | White-bellied Drongo Dicrurus caerulescens | 1 | 1 | 0 |
| White-bellied Drongo Dicrurus caerulescens | Sri Lanka Drongo Dicrurus lophorinus | 1 | 1 | 0 |
| Sri Lanka Drongo Dicrurus lophorinus | Black-naped Monarch Hypothymis azurea | 1 | 1 | 0 |
| Bay-backed Shrike Lanius vittatus | Long-tailed Shrike Lanius schach | 1 | 0 | 1 |
| Ashy-crowned Sparrow-Lark Eremopterix griseus | Jerdon's Bushlark Plocealauda affinis | 1 | 1 | 0 |
| Ashy-crowned Sparrow-Lark Eremopterix griseus | Oriental Skylark Alauda gulgula | 1 | 0 | 1 |
| Jerdon's Bushlark Plocealauda affinis | Oriental Skylark Alauda gulgula | 1 | 0 | 1 |
| Jungle Prinia Prinia sylvatica | Ashy Prinia Prinia socialis | 1 | 0 | 1 |
| Clamorous Reed Warbler Acrocephalus stentoreus | Sri Lanka Bush Warbler Elaphrornis palliseri | 1 | 1 | 0 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Sri Lanka Bush Warbler Elaphrornis palliseri | 1 | 1 | 0 |
| Asian House Martin Delichon dasypus | Sri Lanka Swallow Cecropis hyperythra | 1 | 1 | 0 |
| Square-tailed Bulbul Hypsipetes ganeesa | Red-vented Bulbul Pycnonotus cafer | 1 | 0 | 1 |
| Green Warbler Phylloscopus nitidus | Large-billed Leaf Warbler Phylloscopus magnirostris | 1 | 1 | 0 |
| Sri Lanka Scimitar-Babbler Pomatorhinus melanurus | Orange-billed Babbler Argya rufescens | 1 | 1 | 0 |
| Pied Thrush Geokichla wardii | Spot-winged Thrush Geokichla spiloptera | 1 | 1 | 0 |
| Oriental Magpie-Robin Copsychus saularis | White-rumped Shama Copsychus malabaricus | 1 | 0 | 1 |
| Tickell's Blue Flycatcher Cyornis tickelliae | Kashmir Flycatcher Ficedula subrubra | 1 | 1 | 0 |
| Sri Lanka Whistling-Thrush Myophonus blighi | Blue Rock Thrush Monticola solitarius | 1 | 1 | 0 |
| Thick-billed Flowerpecker Pachyglossa agilis | Pale-billed Flowerpecker Dicaeum erythrorhynchos | 1 | 0 | 1 |
| White-throated Flowerpecker Pachyglossa vincens | Pale-billed Flowerpecker Dicaeum erythrorhynchos | 1 | 0 | 1 |
| Purple Sunbird Cinnyris asiaticus | Loten's Sunbird Cinnyris lotenius | 1 | 0 | 1 |
| Black-throated Munia Lonchura kelaarti | Tricoloured Munia Lonchura malacca | 1 | 0 | 1 |
| Fulvous Whistling-Duck Dendrocygna bicolor | Lesser Whistling-Duck Dendrocygna javanica | 1 | 0 | 1 |
| Forest Wagtail Dendronanthus indicus | Grey Wagtail Motacilla cinerea | 1 | 1 | 0 |
| Sri Lanka Spurfowl Galloperdix bicalcarata | Grey Francolin Ortygornis pondicerianus | 1 | 0 | 1 |
| Sri Lanka Spurfowl Galloperdix bicalcarata | Blue-breasted Quail Synoicus chinensis | 1 | 0 | 1 |
| Rain Quail Coturnix coromandelica | Jungle Bush-Quail Perdicula asiatica | 1 | 1 | 0 |
| Spotted Dove Spilopelia chinensis | Purple-rumped Sunbird Leptocoma zeylonica | 1 | 1 | 0 |
| Sri Lanka Green-Pigeon Treron pompadora | Yellow-footed Green-Pigeon Treron phoenicopterus | 1 | 1 | 0 |