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 |
|---|---|---|---|---|
| Dark-sided Flycatcher Muscicapa sibirica | Asian Brown Flycatcher Muscicapa dauurica | 2 | 1 | 1 |
| Ruddy-breasted Crake Zapornia fusca | Crested Honey-buzzard Pernis ptilorhynchus | 1 | 0 | 1 |
| Red-necked Phalarope Phalaropus lobatus | Red-necked Stint Calidris ruficollis | 1 | 0 | 1 |
| Common Sandpiper Actitis hypoleucos | Curlew Sandpiper Calidris ferruginea | 1 | 0 | 1 |
| Dunlin Calidris alpina | Pectoral Sandpiper Calidris melanotos | 1 | 0 | 1 |
| Dunlin Calidris alpina | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Eastern Marsh Harrier Circus spilonotus | Japanese Sparrowhawk Tachyspiza gularis | 1 | 1 | 0 |
| Eurasian Sparrowhawk Accipiter nisus | Eurasian Hobby Falco subbuteo | 1 | 1 | 0 |
| Grey-chinned Minivet Pericrocotus solaris | Ashy Minivet Pericrocotus divaricatus | 1 | 0 | 1 |
| Grey-chinned Minivet Pericrocotus solaris | Brown-rumped Minivet Pericrocotus cantonensis | 1 | 0 | 1 |
| Black Drongo Dicrurus macrocercus | Hair-crested Drongo Dicrurus hottentottus | 1 | 0 | 1 |
| Chinese Penduline Tit Remiz consobrinus | Chestnut-eared Bunting Emberiza fucata | 1 | 0 | 1 |
| Common Tailorbird Orthotomus sutorius | Yellow-bellied Prinia Prinia flaviventris | 1 | 0 | 1 |
| Plain Prinia Prinia inornata | Black-browed Reed Warbler Acrocephalus bistrigiceps | 1 | 0 | 1 |
| Plain Prinia Prinia inornata | Arctic Warbler Phylloscopus borealis | 1 | 0 | 1 |
| Zitting Cisticola Cisticola juncidis | Lanceolated Warbler Locustella lanceolata | 1 | 0 | 1 |
| Thick-billed Warbler Arundinax aedon | Oriental Reed Warbler Acrocephalus orientalis | 1 | 1 | 0 |
| Manchurian Reed Warbler Acrocephalus tangorum | Oriental Reed Warbler Acrocephalus orientalis | 1 | 1 | 0 |
| Sand Martin Riparia riparia | Asian House Martin Delichon dasypus | 1 | 1 | 0 |
| Chestnut Bulbul Hemixos castanonotus | Mountain Bulbul Ixos mcclellandii | 1 | 0 | 1 |
| Yellow-browed Warbler Phylloscopus inornatus | Plain Flowerpecker Dicaeum minullum | 1 | 0 | 1 |
| Pallas's Warbler Phylloscopus proregulus | Radde's Warbler Phylloscopus schwarzi | 1 | 0 | 1 |
| Dusky Warbler Phylloscopus fuscatus | Pale-legged Leaf Warbler Phylloscopus tenellipes | 1 | 1 | 0 |
| Eastern Crowned Warbler Phylloscopus coronatus | Pale-legged Leaf Warbler Phylloscopus tenellipes | 1 | 1 | 0 |
| Pale-legged Leaf Warbler Phylloscopus tenellipes | Hartert's Leaf Warbler Phylloscopus goodsoni | 1 | 0 | 1 |
| Chestnut-crowned Warbler Phylloscopus castaniceps | Mountain Tailorbird Phyllergates cucullatus | 1 | 1 | 0 |
| Asian Stubtail Urosphena squameiceps | Mountain Tailorbird Phyllergates cucullatus | 1 | 0 | 1 |
| Asian Stubtail Urosphena squameiceps | Manchurian Bush Warbler Horornis canturians | 1 | 0 | 1 |
| Manchurian Bush Warbler Horornis canturians | Chestnut Bunting Emberiza rutila | 1 | 1 | 0 |
| Chinese Grassbird Graminicola striatus | Chinese Hwamei Garrulax canorus | 1 | 1 | 0 |
| Chinese Hwamei Garrulax canorus | Eurasian Tree Sparrow Passer montanus | 1 | 1 | 0 |
| White-shouldered Starling Sturnia sinensis | Red-billed Starling Spodiopsar sericeus | 1 | 0 | 1 |
| Chinese Blackbird Turdus mandarinus | Japanese Thrush Turdus cardis | 1 | 0 | 1 |
| Eyebrowed Thrush Turdus obscurus | Dusky Thrush Turdus eunomus | 1 | 1 | 0 |
| Pale Thrush Turdus pallidus | Dusky Thrush Turdus eunomus | 1 | 1 | 0 |
| Grey-streaked Flycatcher Muscicapa griseisticta | Dark-sided Flycatcher Muscicapa sibirica | 1 | 0 | 1 |
| Blue-and-white Flycatcher Cyanoptila cyanomelana | Hainan Blue Flycatcher Cyornis hainanus | 1 | 0 | 1 |
| Lesser Shortwing Brachypteryx leucophris | Ultramarine Flycatcher Ficedula superciliaris | 1 | 0 | 1 |
| Rufous-gorgeted Flycatcher Ficedula strophiata | Plumbeous Redstart Phoenicurus fuliginosus | 1 | 1 | 0 |
| Western Yellow Wagtail Motacilla flava | Eastern Yellow Wagtail Motacilla tschutschensis | 1 | 1 | 0 |
| Asian Koel Eudynamys scolopaceus | Hodgson's Hawk-Cuckoo Hierococcyx nisicolor | 1 | 1 | 0 |
| Red-throated Pipit Anthus cervinus | Little Bunting Emberiza pusilla | 1 | 0 | 1 |