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 |
|---|---|---|---|---|
| Levant Sparrowhawk Tachyspiza brevipes | Eurasian Sparrowhawk Accipiter nisus | 2 | 2 | 0 |
| Great Spotted Woodpecker Dendrocopos major | Syrian Woodpecker Dendrocopos syriacus | 2 | 0 | 2 |
| Melodious Warbler Hippolais polyglotta | Icterine Warbler Hippolais icterina | 2 | 0 | 2 |
| Grey Plover Pluvialis squatarola | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Whimbrel Numenius phaeopus | Eurasian Curlew Numenius arquata | 1 | 1 | 0 |
| Curlew Sandpiper Calidris ferruginea | Temminck's Stint Calidris temminckii | 1 | 1 | 0 |
| Caspian Gull Larus cachinnans | Yellow-legged Gull Larus michahellis | 1 | 1 | 0 |
| Pygmy Cormorant Microcarbo pygmaeus | European Shag Gulosus aristotelis | 1 | 0 | 1 |
| Griffon Vulture Gyps fulvus | Eleonora's Falcon Falco eleonorae | 1 | 0 | 1 |
| Lesser Spotted Eagle Clanga pomarina | Greater Spotted Eagle Clanga clanga | 1 | 1 | 0 |
| Greater Spotted Eagle Clanga clanga | Booted Eagle Hieraaetus pennatus | 1 | 1 | 0 |
| Hen Harrier Circus cyaneus | Pallid Harrier Circus macrourus | 1 | 0 | 1 |
| Middle Spotted Woodpecker Dendrocoptes medius | White-backed Woodpecker Dendrocopos leucotos | 1 | 0 | 1 |
| Lanner Falcon Falco biarmicus | Peregrine Falcon Falco peregrinus | 1 | 1 | 0 |
| Great Grey Shrike Lanius excubitor | Lesser Grey Shrike Lanius minor | 1 | 1 | 0 |
| Eurasian Jay Garrulus glandarius | Hooded Crow Corvus cornix | 1 | 0 | 1 |
| Greater Short-toed Lark Calandrella brachydactyla | Woodlark Lullula arborea | 1 | 0 | 1 |
| Bearded Tit Panurus biarmicus | Zitting Cisticola Cisticola juncidis | 1 | 1 | 0 |
| Zitting Cisticola Cisticola juncidis | Olive-tree Warbler Hippolais olivetorum | 1 | 0 | 1 |
| Olive-tree Warbler Hippolais olivetorum | Garden Warbler Sylvia borin | 1 | 1 | 0 |
| Olive-tree Warbler Hippolais olivetorum | Barred Warbler Curruca nisoria | 1 | 1 | 0 |
| Moustached Warbler Acrocephalus melanopogon | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Eastern Orphean Warbler Curruca crassirostris | Sardinian Warbler Curruca melanocephala | 1 | 1 | 0 |
| Wallcreeper Tichodroma muraria | Western Rock Nuthatch Sitta neumayer | 1 | 0 | 1 |
| Eurasian Treecreeper Certhia familiaris | Short-toed Treecreeper Certhia brachydactyla | 1 | 0 | 1 |
| Common Starling Sturnus vulgaris | Song Thrush Turdus philomelos | 1 | 1 | 0 |
| Rufous-tailed Scrub Robin Cercotrichas galactotes | Bluethroat Luscinia svecica | 1 | 1 | 0 |
| Thrush Nightingale Luscinia luscinia | Common Nightingale Luscinia megarhynchos | 1 | 1 | 0 |
| Whinchat Saxicola rubetra | European Stonechat Saxicola rubicola | 1 | 1 | 0 |
| Alpine Accentor Prunella collaris | White-winged Snowfinch Montifringilla nivalis | 1 | 0 | 1 |
| Grey Wagtail Motacilla cinerea | Western Yellow Wagtail Motacilla flava | 1 | 0 | 1 |
| Richard's Pipit Anthus richardi | Tree Pipit Anthus trivialis | 1 | 0 | 1 |
| Tawny Pipit Anthus campestris | Red-throated Pipit Anthus cervinus | 1 | 1 | 0 |
| Meadow Pipit Anthus pratensis | Water Pipit Anthus spinoletta | 1 | 1 | 0 |
| Hazel Grouse Tetrastes bonasia | Western Capercaillie Tetrao urogallus | 1 | 0 | 1 |
| Common Crossbill Loxia curvirostra | European Serin Serinus serinus | 1 | 1 | 0 |
| Great Spotted Cuckoo Clamator glandarius | Spotted Crake Porzana porzana | 1 | 0 | 1 |
| Alpine Swift Tachymarptis melba | Alpine Accentor Prunella collaris | 1 | 1 | 0 |