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 |
|---|---|---|---|---|
| Rufous-backed Redstart Phoenicurus erythronotus | White-capped Redstart Phoenicurus leucocephalus | 2 | 1 | 1 |
| Crimson-winged Finch Rhodopechys sanguineus | Mongolian Finch Bucanetes mongolicus | 2 | 1 | 1 |
| Northern Pintail Anas acuta | Eurasian/Green-winged Teal Anas crecca | 1 | 1 | 0 |
| Koklass Pheasant Pucrasia macrolopha | Black Francolin Francolinus francolinus | 1 | 1 | 0 |
| European Turtle Dove Streptopelia turtur | Rufous Turtle Dove Streptopelia orientalis | 1 | 0 | 1 |
| Chukar Alectoris chukar | Black-bellied Sandgrouse Pterocles orientalis | 1 | 0 | 1 |
| Greater Sand Plover Anarhynchus leschenaultii | Kentish Plover Anarhynchus alexandrinus | 1 | 1 | 0 |
| Green Sandpiper Tringa ochropus | Wood Sandpiper Tringa glareola | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Black Stork Ciconia nigra | 1 | 1 | 0 |
| Himalayan Griffon Gyps himalayensis | Griffon Vulture Gyps fulvus | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Black Kite Milvus migrans | 1 | 1 | 0 |
| Shikra Tachyspiza badia | Eurasian Sparrowhawk Accipiter nisus | 1 | 0 | 1 |
| Chukar Alectoris chukar | European Roller Coracias garrulus | 1 | 0 | 1 |
| Merlin Falco columbarius | Peregrine Falcon Falco peregrinus | 1 | 1 | 0 |
| Eurasian Hobby Falco subbuteo | Red-breasted Flycatcher Ficedula parva | 1 | 1 | 0 |
| Peregrine Falcon Falco peregrinus | Alexandrine Parakeet Psittacula eupatria | 1 | 0 | 1 |
| Turkestan Shrike Lanius phoenicuroides | Long-tailed Shrike Lanius schach | 1 | 1 | 0 |
| Isabelline Shrike Lanius isabellinus | Pied Wheatear Oenanthe pleschanka | 1 | 1 | 0 |
| Red-billed Chough Pyrrhocorax pyrrhocorax | Spanish Sparrow Passer hispaniolensis | 1 | 1 | 0 |
| Himalayan Snowcock Tetraogallus himalayensis | Alpine Chough Pyrrhocorax graculus | 1 | 0 | 1 |
| Black-bellied Sandgrouse Pterocles orientalis | Shore Lark Eremophila alpestris | 1 | 0 | 1 |
| Black-bellied Sandgrouse Pterocles orientalis | Hume's Lark Calandrella acutirostris | 1 | 0 | 1 |
| Turkestan Short-toed Lark Alaudala heinei | Oriental Skylark Alauda gulgula | 1 | 1 | 0 |
| Sykes's Warbler Iduna rama | Eastern Olivaceous Warbler Iduna pallida | 1 | 0 | 1 |
| Sykes's Warbler Iduna rama | Upcher's Warbler Hippolais languida | 1 | 0 | 1 |
| Common Grasshopper Warbler Locustella naevia | Sand Martin Riparia riparia | 1 | 0 | 1 |
| Sand Martin Riparia riparia | Pale Martin Riparia diluta | 1 | 0 | 1 |
| Pale Martin Riparia diluta | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Eurasian Crag Martin Ptyonoprogne rupestris | Rock Martin Ptyonoprogne fuligula | 1 | 1 | 0 |
| Crested Lark Galerida cristata | Barn Swallow Hirundo rustica | 1 | 0 | 1 |
| White-eared Bulbul Pycnonotus leucotis | Pied Bushchat Saxicola caprata | 1 | 1 | 0 |
| White-eared Bulbul Pycnonotus leucotis | Himalayan Bulbul Pycnonotus leucogenys | 1 | 0 | 1 |
| Lesser Whitethroat Curruca curruca | Spanish Sparrow Passer hispaniolensis | 1 | 1 | 0 |
| Common Babbler Argya caudata | Eastern Rock Nuthatch Sitta tephronota | 1 | 0 | 1 |
| Common Starling Sturnus vulgaris | Brahminy Starling Sturnia pagodarum | 1 | 0 | 1 |
| Pale Martin Riparia diluta | Spotted Flycatcher Muscicapa striata | 1 | 0 | 1 |
| Common Redstart Phoenicurus phoenicurus | Desert Finch Rhodospiza obsoleta | 1 | 1 | 0 |
| Pied Wheatear Oenanthe pleschanka | Variable Wheatear Oenanthe picata | 1 | 1 | 0 |
| Variable Wheatear Oenanthe picata | Hume's Wheatear Oenanthe albonigra | 1 | 1 | 0 |
| Eastern Rock Nuthatch Sitta tephronota | Hume's Wheatear Oenanthe albonigra | 1 | 0 | 1 |
| Hume's Wheatear Oenanthe albonigra | Persian Wheatear Oenanthe chrysopygia | 1 | 1 | 0 |
| Koklass Pheasant Pucrasia macrolopha | Finsch's Wheatear Oenanthe finschii | 1 | 0 | 1 |
| Yellow-throated Sparrow Gymnoris xanthocollis | Twite Linaria flavirostris | 1 | 1 | 0 |
| Isabelline Wheatear Oenanthe isabellina | White-winged Snowfinch Montifringilla nivalis | 1 | 0 | 1 |
| Lesser Black-backed Gull Larus fuscus | Tawny Pipit Anthus campestris | 1 | 0 | 1 |
| Hume's Lark Calandrella acutirostris | Tawny Pipit Anthus campestris | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Hawfinch Coccothraustes coccothraustes | 1 | 0 | 1 |
| Black-bellied Sandgrouse Pterocles orientalis | Trumpeter Finch Bucanetes githagineus | 1 | 0 | 1 |
| Afghan Snowfinch Pyrgilauda theresae | Plain Mountain Finch Leucosticte nemoricola | 1 | 0 | 1 |
| Trumpeter Finch Bucanetes githagineus | Plain Mountain Finch Leucosticte nemoricola | 1 | 0 | 1 |
| House Sparrow Passer domesticus | Rock Bunting Emberiza cia | 1 | 0 | 1 |