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 |
|---|---|---|---|---|
| Little Tern Sternula albifrons | Gull-billed Tern Gelochelidon nilotica | 4 | 3 | 1 |
| Eurasian Sparrowhawk Accipiter nisus | Eurasian Goshawk Astur gentilis | 4 | 2 | 2 |
| Twite Linaria flavirostris | Common Redpoll Acanthis flammea | 4 | 3 | 1 |
| Taiga Bean Goose Anser fabalis | Tundra Bean Goose Anser serrirostris | 3 | 1 | 2 |
| Stone-curlew Burhinus oedicnemus | Grey Plover Pluvialis squatarola | 3 | 2 | 1 |
| Little Gull Hydrocoloeus minutus | Black-legged Kittiwake Rissa tridactyla | 3 | 2 | 1 |
| European Honey-buzzard Pernis apivorus | Bonelli's Eagle Aquila fasciata | 3 | 2 | 1 |
| Rough-legged Buzzard Buteo lagopus | Common Buzzard Buteo buteo | 3 | 1 | 2 |
| Eurasian Treecreeper Certhia familiaris | Short-toed Treecreeper Certhia brachydactyla | 3 | 2 | 1 |
| Thrush Nightingale Luscinia luscinia | Common Nightingale Luscinia megarhynchos | 3 | 2 | 1 |
| Gadwall Mareca strepera | Eurasian Wigeon Mareca penelope | 2 | 1 | 1 |
| Goosander Mergus merganser | Red-breasted Merganser Mergus serrator | 2 | 0 | 2 |
| Western Capercaillie Tetrao urogallus | Grey Partridge Perdix perdix | 2 | 1 | 1 |
| Western Capercaillie Tetrao urogallus | Common Quail Coturnix coturnix | 2 | 1 | 1 |
| Alpine Swift Tachymarptis melba | Common Swift Apus apus | 2 | 1 | 1 |
| Arctic Skua Stercorarius parasiticus | Great Skua Stercorarius skua | 2 | 1 | 1 |
| Razorbill Alca torda | Common Guillemot Uria aalge | 2 | 0 | 2 |
| Herring Gull Larus argentatus | Glaucous Gull Larus hyperboreus | 2 | 2 | 0 |
| European Honey-buzzard Pernis apivorus | Western Marsh Harrier Circus aeruginosus | 2 | 1 | 1 |
| European Honey-buzzard Pernis apivorus | Rough-legged Buzzard Buteo lagopus | 2 | 1 | 1 |
| Hen Harrier Circus cyaneus | Rough-legged Buzzard Buteo lagopus | 2 | 1 | 1 |
| Montagu's Harrier Circus pygargus | Willow Warbler Phylloscopus trochilus | 2 | 2 | 0 |
| Bonelli's Eagle Aquila fasciata | Eurasian Sparrowhawk Accipiter nisus | 2 | 0 | 2 |
| Bonelli's Eagle Aquila fasciata | Eurasian Goshawk Astur gentilis | 2 | 0 | 2 |
| Red Kite Milvus milvus | Black Kite Milvus migrans | 2 | 1 | 1 |
| Black Kite Milvus migrans | Rough-legged Buzzard Buteo lagopus | 2 | 1 | 1 |
| Red-backed Shrike Lanius collurio | Great Grey Shrike Lanius excubitor | 2 | 2 | 0 |
| Rook Corvus frugilegus | Common Raven Corvus corax | 2 | 2 | 0 |
| Woodlark Lullula arborea | Eurasian Skylark Alauda arvensis | 2 | 2 | 0 |
| Eurasian Skylark Alauda arvensis | Redwing Turdus iliacus | 2 | 1 | 1 |
| Icterine Warbler Hippolais icterina | Sedge Warbler Acrocephalus schoenobaenus | 2 | 1 | 1 |
| Sedge Warbler Acrocephalus schoenobaenus | Marsh Warbler Acrocephalus palustris | 2 | 2 | 0 |
| Great Reed Warbler Acrocephalus arundinaceus | Common Grasshopper Warbler Locustella naevia | 2 | 0 | 2 |
| Common Swift Apus apus | Sand Martin Riparia riparia | 2 | 0 | 2 |
| Wood Warbler Phylloscopus sibilatrix | Willow Warbler Phylloscopus trochilus | 2 | 2 | 0 |
| Wood Warbler Phylloscopus sibilatrix | Common Chiffchaff Phylloscopus collybita | 2 | 2 | 0 |
| Willow Warbler Phylloscopus trochilus | Common Chiffchaff Phylloscopus collybita | 2 | 1 | 1 |
| Eurasian Blackcap Sylvia atricapilla | Lesser Whitethroat Curruca curruca | 2 | 2 | 0 |
| Barred Warbler Curruca nisoria | Lesser Whitethroat Curruca curruca | 2 | 2 | 0 |
| Redwing Turdus iliacus | Fieldfare Turdus pilaris | 2 | 2 | 0 |
| Redwing Turdus iliacus | Common Crossbill Loxia curvirostra | 2 | 2 | 0 |
| Meadow Pipit Anthus pratensis | Tree Pipit Anthus trivialis | 2 | 2 | 0 |
| Water Pipit Anthus spinoletta | Rock Pipit Anthus petrosus | 2 | 2 | 0 |
| Lesser Redpoll Acanthis cabaret | European Goldfinch Carduelis carduelis | 2 | 0 | 2 |
| Corn Bunting Emberiza calandra | Ortolan Bunting Emberiza hortulana | 2 | 0 | 2 |
| Greylag Goose Anser anser | Greater White-fronted Goose Anser albifrons | 1 | 1 | 0 |
| Greylag Goose Anser anser | Dunlin Calidris alpina | 1 | 1 | 0 |
| Greylag Goose Anser anser | Fieldfare Turdus pilaris | 1 | 1 | 0 |
| Greylag Goose Anser anser | Taiga Bean Goose Anser fabalis | 1 | 0 | 1 |
| Taiga Bean Goose Anser fabalis | Pink-footed Goose Anser brachyrhynchus | 1 | 1 | 0 |
| Greater White-fronted Goose Anser albifrons | Tundra Bean Goose Anser serrirostris | 1 | 0 | 1 |
| Tundra Bean Goose Anser serrirostris | Brent Goose Branta bernicla | 1 | 1 | 0 |
| Tundra Bean Goose Anser serrirostris | Pink-footed Goose Anser brachyrhynchus | 1 | 0 | 1 |
| Pink-footed Goose Anser brachyrhynchus | Long-tailed Duck Clangula hyemalis | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Mute Swan Cygnus olor | 1 | 1 | 0 |
| Brent Goose Branta bernicla | Eurasian Coot Fulica atra | 1 | 1 | 0 |
| Garganey Spatula querquedula | Northern Shoveler Spatula clypeata | 1 | 0 | 1 |
| Garganey Spatula querquedula | Gadwall Mareca strepera | 1 | 0 | 1 |
| Gadwall Mareca strepera | Common Goldeneye Bucephala clangula | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | Eurasian/Green-winged Teal Anas crecca | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | Tufted Duck Aythya fuligula | 1 | 1 | 0 |
| Mallard Anas platyrhynchos | Common Crane Grus grus | 1 | 1 | 0 |
| Red-crested Pochard Netta rufina | Common Pochard Aythya ferina | 1 | 0 | 1 |
| Common Pochard Aythya ferina | Black Guillemot Cepphus grylle | 1 | 1 | 0 |
| Ferruginous Duck Aythya nyroca | Tufted Duck Aythya fuligula | 1 | 1 | 0 |
| Red-crested Pochard Netta rufina | Tufted Duck Aythya fuligula | 1 | 0 | 1 |
| Lesser Scaup Aythya affinis | King Eider Somateria spectabilis | 1 | 0 | 1 |
| Eurasian Wigeon Mareca penelope | Common Eider Somateria mollissima | 1 | 0 | 1 |
| Common Eider Somateria mollissima | Velvet Scoter Melanitta fusca | 1 | 1 | 0 |
| Velvet Scoter Melanitta fusca | Common Scoter Melanitta nigra | 1 | 1 | 0 |
| Velvet Scoter Melanitta fusca | European Robin Erithacus rubecula | 1 | 1 | 0 |
| Long-tailed Duck Clangula hyemalis | Common Goldeneye Bucephala clangula | 1 | 1 | 0 |
| Common Scoter Melanitta nigra | Common Goldeneye Bucephala clangula | 1 | 0 | 1 |
| Eurasian/Green-winged Teal Anas crecca | Goosander Mergus merganser | 1 | 0 | 1 |
| Goosander Mergus merganser | Ruddy Turnstone Arenaria interpres | 1 | 1 | 0 |
| Grey Partridge Perdix perdix | Common Quail Coturnix coturnix | 1 | 0 | 1 |
| Western Capercaillie Tetrao urogallus | Little Grebe Tachybaptus ruficollis | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Great Crested Grebe Podiceps cristatus | 1 | 1 | 0 |
| Pied-billed Grebe Podilymbus podiceps | Red-necked Grebe Podiceps grisegena | 1 | 0 | 1 |
| Red-necked Grebe Podiceps grisegena | Pied Wagtail/White Wagtail Motacilla alba | 1 | 1 | 0 |
| Red-necked Grebe Podiceps grisegena | Great Crested Grebe Podiceps cristatus | 1 | 0 | 1 |
| Stock Dove Columba oenas | Rufous Turtle Dove Streptopelia orientalis | 1 | 1 | 0 |
| European Turtle Dove Streptopelia turtur | Collared Dove Streptopelia decaocto | 1 | 1 | 0 |
| Little Bustard Tetrax tetrax | Western Yellow Wagtail Motacilla flava | 1 | 1 | 0 |
| Alpine Swift Tachymarptis melba | Collared Pratincole Glareola pratincola | 1 | 1 | 0 |
| Alpine Swift Tachymarptis melba | Pallid Swift Apus pallidus | 1 | 0 | 1 |
| Water Rail Rallus aquaticus | Corncrake Crex crex | 1 | 1 | 0 |
| Little Crake Zapornia parva | Baillon's Crake Zapornia pusilla | 1 | 1 | 0 |
| Spotted Crake Porzana porzana | Baillon's Crake Zapornia pusilla | 1 | 0 | 1 |
| Common Moorhen Gallinula chloropus | Baillon's Crake Zapornia pusilla | 1 | 0 | 1 |
| Common Crane Grus grus | Glaucous Gull Larus hyperboreus | 1 | 1 | 0 |
| Eurasian Coot Fulica atra | Eurasian Oystercatcher Haematopus ostralegus | 1 | 0 | 1 |
| Eurasian Oystercatcher Haematopus ostralegus | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Grey Plover Pluvialis squatarola | European Golden Plover Pluvialis apricaria | 1 | 1 | 0 |
| Eurasian Wigeon Mareca penelope | European Golden Plover Pluvialis apricaria | 1 | 0 | 1 |
| European Golden Plover Pluvialis apricaria | Northern Gannet Morus bassanus | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | European Bee-eater Merops apiaster | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Fieldfare Turdus pilaris | 1 | 1 | 0 |
| Pied Avocet Recurvirostra avosetta | Common Ringed Plover Charadrius hiaticula | 1 | 0 | 1 |
| Little Ringed Plover Thinornis dubius | Yellow-legged Gull Larus michahellis | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | Dunlin Calidris alpina | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | Pied Wagtail/White Wagtail Motacilla alba | 1 | 1 | 0 |
| White-tailed Lapwing Vanellus leucurus | Eurasian Curlew Numenius arquata | 1 | 1 | 0 |
| Kentish Plover Anarhynchus alexandrinus | White-winged Black Tern Chlidonias leucopterus | 1 | 1 | 0 |
| Whimbrel Numenius phaeopus | Eurasian Curlew Numenius arquata | 1 | 0 | 1 |
| Eurasian Curlew Numenius arquata | Black-tailed Godwit Limosa limosa | 1 | 1 | 0 |
| Northern Pintail Anas acuta | Bar-tailed Godwit Limosa lapponica | 1 | 0 | 1 |
| Whimbrel Numenius phaeopus | Bar-tailed Godwit Limosa lapponica | 1 | 0 | 1 |
| Bar-tailed Godwit Limosa lapponica | Black-tailed Godwit Limosa limosa | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | Black-tailed Godwit Limosa limosa | 1 | 0 | 1 |
| Black-tailed Godwit Limosa limosa | Red-backed Shrike Lanius collurio | 1 | 1 | 0 |
| Black-tailed Godwit Limosa limosa | Meadow Pipit Anthus pratensis | 1 | 1 | 0 |
| Eurasian Woodcock Scolopax rusticola | Common Snipe Gallinago gallinago | 1 | 1 | 0 |
| Whimbrel Numenius phaeopus | Common Snipe Gallinago gallinago | 1 | 0 | 1 |
| Common Snipe Gallinago gallinago | Common Sandpiper Actitis hypoleucos | 1 | 1 | 0 |
| Common Snipe Gallinago gallinago | Sedge Warbler Acrocephalus schoenobaenus | 1 | 1 | 0 |
| Common Pochard Aythya ferina | Grey Phalarope Phalaropus fulicarius | 1 | 0 | 1 |
| Grey Phalarope Phalaropus fulicarius | Red-necked Phalarope Phalaropus lobatus | 1 | 0 | 1 |
| Red-necked Phalarope Phalaropus lobatus | Red-throated Pipit Anthus cervinus | 1 | 1 | 0 |
| Terek Sandpiper Xenus cinereus | Common Sandpiper Actitis hypoleucos | 1 | 1 | 0 |
| Green Sandpiper Tringa ochropus | Wood Sandpiper Tringa glareola | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Wood Sandpiper Tringa glareola | 1 | 0 | 1 |
| Spotted Redshank Tringa erythropus | Common Greenshank Tringa nebularia | 1 | 0 | 1 |
| Common Greenshank Tringa nebularia | Eurasian Wryneck Jynx torquilla | 1 | 1 | 0 |
| White-tailed Lapwing Vanellus leucurus | Ruddy Turnstone Arenaria interpres | 1 | 0 | 1 |
| Black-tailed Godwit Limosa limosa | Ruddy Turnstone Arenaria interpres | 1 | 0 | 1 |
| Common Greenshank Tringa nebularia | Red Knot Calidris canutus | 1 | 0 | 1 |
| Ruff Calidris pugnax | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Curlew Sandpiper Calidris ferruginea | Stilt Sandpiper Calidris himantopus | 1 | 0 | 1 |
| Common Goldeneye Bucephala clangula | Sanderling Calidris alba | 1 | 0 | 1 |
| Black-necked Grebe Podiceps nigricollis | Sanderling Calidris alba | 1 | 0 | 1 |
| Spotted Redshank Tringa erythropus | Sanderling Calidris alba | 1 | 0 | 1 |
| Sanderling Calidris alba | Purple Sandpiper Calidris maritima | 1 | 1 | 0 |
| Northern Shoveler Spatula clypeata | Dunlin Calidris alpina | 1 | 0 | 1 |
| Great Crested Grebe Podiceps cristatus | Dunlin Calidris alpina | 1 | 0 | 1 |
| Dunlin Calidris alpina | Purple Sandpiper Calidris maritima | 1 | 1 | 0 |
| Dunlin Calidris alpina | Northern Fulmar Fulmarus glacialis | 1 | 1 | 0 |
| Little Stint Calidris minuta | White-rumped Sandpiper Calidris fuscicollis | 1 | 1 | 0 |
| Little Stint Calidris minuta | Common Tern Sterna hirundo | 1 | 1 | 0 |
| Purple Sandpiper Calidris maritima | Long-tailed Skua Stercorarius longicaudus | 1 | 0 | 1 |
| Long-tailed Skua Stercorarius longicaudus | Great Skua Stercorarius skua | 1 | 0 | 1 |
| Atlantic Puffin Fratercula arctica | Razorbill Alca torda | 1 | 1 | 0 |
| Grey Plover Pluvialis squatarola | Black Guillemot Cepphus grylle | 1 | 0 | 1 |
| Black Guillemot Cepphus grylle | European Pied Flycatcher Ficedula hypoleuca | 1 | 1 | 0 |
| Long-tailed Skua Stercorarius longicaudus | Razorbill Alca torda | 1 | 0 | 1 |
| Razorbill Alca torda | European Pied Flycatcher Ficedula hypoleuca | 1 | 1 | 0 |
| Little Auk Alle alle | Little Tern Sternula albifrons | 1 | 1 | 0 |
| Razorbill Alca torda | Little Gull Hydrocoloeus minutus | 1 | 0 | 1 |
| Little Gull Hydrocoloeus minutus | Ross's Gull Rhodostethia rosea | 1 | 1 | 0 |
| Little Gull Hydrocoloeus minutus | Common Tern Sterna hirundo | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Black-headed Gull Chroicocephalus ridibundus | 1 | 1 | 0 |
| Black-legged Kittiwake Rissa tridactyla | Western House Martin Delichon urbicum | 1 | 1 | 0 |
| Sabine's Gull Xema sabini | Eurasian Crag Martin Ptyonoprogne rupestris | 1 | 1 | 0 |
| Sabine's Gull Xema sabini | Bonaparte's Gull Chroicocephalus philadelphia | 1 | 0 | 1 |
| Herring Gull Larus argentatus | Great Black-backed Gull Larus marinus | 1 | 1 | 0 |
| Great Black-backed Gull Larus marinus | Lesser Black-backed Gull Larus fuscus | 1 | 0 | 1 |
| Glaucous Gull Larus hyperboreus | Lesser Black-backed Gull Larus fuscus | 1 | 0 | 1 |
| Long-tailed Skua Stercorarius longicaudus | Iceland Gull Larus glaucoides | 1 | 0 | 1 |
| Glaucous Gull Larus hyperboreus | Iceland Gull Larus glaucoides | 1 | 0 | 1 |
| Lesser Black-backed Gull Larus fuscus | Iceland Gull Larus glaucoides | 1 | 0 | 1 |
| Little Tern Sternula albifrons | European Bee-eater Merops apiaster | 1 | 1 | 0 |
| Eurasian Oystercatcher Haematopus ostralegus | Gull-billed Tern Gelochelidon nilotica | 1 | 0 | 1 |
| Gull-billed Tern Gelochelidon nilotica | Caspian Tern Hydroprogne caspia | 1 | 1 | 0 |
| Gull-billed Tern Gelochelidon nilotica | Arctic Tern Sterna paradisaea | 1 | 1 | 0 |
| Yellow-legged Gull Larus michahellis | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Caspian Tern Hydroprogne caspia | Western Yellow Wagtail Motacilla flava | 1 | 1 | 0 |
| Black Tern Chlidonias niger | White-winged Black Tern Chlidonias leucopterus | 1 | 0 | 1 |
| Caspian Tern Hydroprogne caspia | Arctic Tern Sterna paradisaea | 1 | 0 | 1 |
| Yellow-legged Gull Larus michahellis | Sandwich Tern Thalasseus sandvicensis | 1 | 0 | 1 |
| Arctic Tern Sterna paradisaea | Sandwich Tern Thalasseus sandvicensis | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Sandwich Tern Thalasseus sandvicensis | 1 | 0 | 1 |
| Slavonian Grebe Podiceps auritus | White-billed Diver Gavia adamsii | 1 | 0 | 1 |
| Cory's Shearwater Calonectris diomedea | Manx Shearwater Puffinus puffinus | 1 | 1 | 0 |
| Cory's Shearwater Calonectris diomedea | Balearic Shearwater Puffinus mauretanicus | 1 | 1 | 0 |
| Manx Shearwater Puffinus puffinus | Great White Egret Ardea alba | 1 | 1 | 0 |
| Manx Shearwater Puffinus puffinus | Balearic Shearwater Puffinus mauretanicus | 1 | 0 | 1 |
| Sandwich Tern Thalasseus sandvicensis | White Stork Ciconia ciconia | 1 | 0 | 1 |
| Balearic Shearwater Puffinus mauretanicus | White Stork Ciconia ciconia | 1 | 0 | 1 |
| Little Bittern Botaurus minutus | Little Egret Egretta garzetta | 1 | 1 | 0 |
| Great White Egret Ardea alba | Purple Heron Ardea purpurea | 1 | 0 | 1 |
| Common Guillemot Uria aalge | Eurasian Spoonbill Platalea leucorodia | 1 | 0 | 1 |
| Great Northern Diver Gavia immer | Eurasian Spoonbill Platalea leucorodia | 1 | 0 | 1 |
| Greater Spotted Eagle Clanga clanga | Booted Eagle Hieraaetus pennatus | 1 | 1 | 0 |
| Bonelli's Eagle Aquila fasciata | Western Marsh Harrier Circus aeruginosus | 1 | 0 | 1 |
| Western Marsh Harrier Circus aeruginosus | Hen Harrier Circus cyaneus | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Red Kite Milvus milvus | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Black Kite Milvus migrans | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | White-tailed Eagle Haliaeetus albicilla | 1 | 1 | 0 |
| Western Marsh Harrier Circus aeruginosus | Rough-legged Buzzard Buteo lagopus | 1 | 1 | 0 |
| Bonelli's Eagle Aquila fasciata | Hen Harrier Circus cyaneus | 1 | 0 | 1 |
| Hen Harrier Circus cyaneus | Black Kite Milvus migrans | 1 | 1 | 0 |
| Hen Harrier Circus cyaneus | Common Buzzard Buteo buteo | 1 | 1 | 0 |
| Montagu's Harrier Circus pygargus | Red Kite Milvus milvus | 1 | 1 | 0 |
| Montagu's Harrier Circus pygargus | Rough-legged Buzzard Buteo lagopus | 1 | 1 | 0 |
| Pink-footed Goose Anser brachyrhynchus | Eurasian Sparrowhawk Accipiter nisus | 1 | 0 | 1 |
| Eurasian Sparrowhawk Accipiter nisus | Eurasian Hobby Falco subbuteo | 1 | 1 | 0 |
| Hen Harrier Circus cyaneus | Eurasian Goshawk Astur gentilis | 1 | 0 | 1 |
| Red Kite Milvus milvus | Rough-legged Buzzard Buteo lagopus | 1 | 1 | 0 |
| Eurasian Goshawk Astur gentilis | Black Kite Milvus migrans | 1 | 0 | 1 |
| European Honey-buzzard Pernis apivorus | Common Buzzard Buteo buteo | 1 | 0 | 1 |
| Little Owl Athene noctua | Tawny Owl Strix aluco | 1 | 1 | 0 |
| Ural Owl Strix uralensis | Long-eared Owl Asio otus | 1 | 1 | 0 |
| Common Hoopoe Upupa epops | White-backed Woodpecker Dendrocopos leucotos | 1 | 1 | 0 |
| European Bee-eater Merops apiaster | Great Spotted Woodpecker Dendrocopos major | 1 | 1 | 0 |
| Eurasian Wryneck Jynx torquilla | Lesser Spotted Woodpecker Dryobates minor | 1 | 1 | 0 |
| Eurasian Wryneck Jynx torquilla | Savi's Warbler Locustella luscinioides | 1 | 1 | 0 |
| Eurasian Wryneck Jynx torquilla | Eurasian Treecreeper Certhia familiaris | 1 | 1 | 0 |
| Eurasian Wryneck Jynx torquilla | Ortolan Bunting Emberiza hortulana | 1 | 1 | 0 |
| Greylag Goose Anser anser | White-backed Woodpecker Dendrocopos leucotos | 1 | 0 | 1 |
| Lesser Spotted Woodpecker Dryobates minor | Grey-headed Woodpecker Picus canus | 1 | 0 | 1 |
| Grey-headed Woodpecker Picus canus | Eurasian Green Woodpecker Picus viridis | 1 | 0 | 1 |
| Common Kestrel Falco tinnunculus | Pallas's Warbler Phylloscopus proregulus | 1 | 1 | 0 |
| Red-footed Falcon Falco vespertinus | Saker Falcon Falco cherrug | 1 | 1 | 0 |
| Eurasian Hobby Falco subbuteo | Gyr Falcon Falco rusticolus | 1 | 1 | 0 |
| Saker Falcon Falco cherrug | Peregrine Falcon Falco peregrinus | 1 | 0 | 1 |
| Elegant Tern Thalasseus elegans | Red-backed Shrike Lanius collurio | 1 | 0 | 1 |
| Eurasian Golden Oriole Oriolus oriolus | Red-backed Shrike Lanius collurio | 1 | 0 | 1 |
| Red-backed Shrike Lanius collurio | Woodchat Shrike Lanius senator | 1 | 1 | 0 |
| Isabelline Shrike Lanius isabellinus | Lesser Grey Shrike Lanius minor | 1 | 1 | 0 |
| Isabelline Shrike Lanius isabellinus | Paddyfield Warbler Acrocephalus agricola | 1 | 1 | 0 |
| Brown Shrike Lanius cristatus | Great Grey Shrike Lanius excubitor | 1 | 1 | 0 |
| Eurasian Jay Garrulus glandarius | Rook Corvus frugilegus | 1 | 1 | 0 |
| Common Kingfisher Alcedo atthis | Common Magpie Pica pica | 1 | 0 | 1 |
| Common Magpie Pica pica | Common Reed Bunting Emberiza schoeniclus | 1 | 1 | 0 |
| Eurasian Goshawk Astur gentilis | Spotted Nutcracker Nucifraga caryocatactes | 1 | 0 | 1 |
| Spotted Nutcracker Nucifraga caryocatactes | Corn Bunting Emberiza calandra | 1 | 1 | 0 |
| Long-legged Buzzard Buteo rufinus | Alpine Chough Pyrrhocorax graculus | 1 | 0 | 1 |
| Alpine Chough Pyrrhocorax graculus | Water Pipit Anthus spinoletta | 1 | 1 | 0 |
| Rook Corvus frugilegus | Hooded Crow Corvus cornix | 1 | 1 | 0 |
| Carrion Crow Corvus corone | Common Raven Corvus corax | 1 | 1 | 0 |
| Marsh Tit Poecile palustris | Willow Tit Poecile montanus | 1 | 1 | 0 |
| Marsh Tit Poecile palustris | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Whiskered Tern Chlidonias hybrida | Willow Tit Poecile montanus | 1 | 0 | 1 |
| Shore Lark Eremophila alpestris | Woodlark Lullula arborea | 1 | 1 | 0 |
| Shore Lark Eremophila alpestris | Corn Bunting Emberiza calandra | 1 | 1 | 0 |
| Woodlark Lullula arborea | Aquatic Warbler Acrocephalus paludicola | 1 | 1 | 0 |
| Greater Short-toed Lark Calandrella brachydactyla | Eurasian Skylark Alauda arvensis | 1 | 0 | 1 |
| Eurasian Skylark Alauda arvensis | Western House Martin Delichon urbicum | 1 | 1 | 0 |
| Willow Tit Poecile montanus | Bearded Tit Panurus biarmicus | 1 | 0 | 1 |
| Bearded Tit Panurus biarmicus | Booted Warbler Iduna caligata | 1 | 1 | 0 |
| Zitting Cisticola Cisticola juncidis | Eastern Olivaceous Warbler Iduna pallida | 1 | 1 | 0 |
| Melodious Warbler Hippolais polyglotta | Icterine Warbler Hippolais icterina | 1 | 1 | 0 |
| Melodious Warbler Hippolais polyglotta | Common Nightingale Luscinia megarhynchos | 1 | 1 | 0 |
| Moustached Warbler Acrocephalus melanopogon | Paddyfield Warbler Acrocephalus agricola | 1 | 1 | 0 |
| Sedge Warbler Acrocephalus schoenobaenus | Great Reed Warbler Acrocephalus arundinaceus | 1 | 1 | 0 |
| Sedge Warbler Acrocephalus schoenobaenus | Blyth's Reed Warbler Acrocephalus dumetorum | 1 | 0 | 1 |
| Marsh Warbler Acrocephalus palustris | Common Nightingale Luscinia megarhynchos | 1 | 1 | 0 |
| Great Reed Warbler Acrocephalus arundinaceus | Western House Martin Delichon urbicum | 1 | 1 | 0 |
| Pallas's Grasshopper Warbler Helopsaltes certhiola | Black-faced Bunting Emberiza spodocephala | 1 | 1 | 0 |
| Coal Tit Periparus ater | Lanceolated Warbler Locustella lanceolata | 1 | 0 | 1 |
| River Warbler Locustella fluviatilis | Savi's Warbler Locustella luscinioides | 1 | 1 | 0 |
| River Warbler Locustella fluviatilis | Common Grasshopper Warbler Locustella naevia | 1 | 1 | 0 |
| Marsh Warbler Acrocephalus palustris | Savi's Warbler Locustella luscinioides | 1 | 0 | 1 |
| Wood Sandpiper Tringa glareola | Common Grasshopper Warbler Locustella naevia | 1 | 0 | 1 |
| Common Grasshopper Warbler Locustella naevia | Wood Warbler Phylloscopus sibilatrix | 1 | 1 | 0 |
| Sand Martin Riparia riparia | Eurasian Crag Martin Ptyonoprogne rupestris | 1 | 1 | 0 |
| Common Tern Sterna hirundo | Eurasian Crag Martin Ptyonoprogne rupestris | 1 | 0 | 1 |
| Savi's Warbler Locustella luscinioides | Barn Swallow Hirundo rustica | 1 | 0 | 1 |
| Barn Swallow Hirundo rustica | Common Nightingale Luscinia megarhynchos | 1 | 1 | 0 |
| Barn Swallow Hirundo rustica | Western House Martin Delichon urbicum | 1 | 0 | 1 |
| Wood Warbler Phylloscopus sibilatrix | Western Bonelli's Warbler Phylloscopus bonelli | 1 | 1 | 0 |
| Barnacle Goose Branta leucopsis | Western Bonelli's Warbler Phylloscopus bonelli | 1 | 0 | 1 |
| Western Bonelli's Warbler Phylloscopus bonelli | Eastern Bonelli's Warbler Phylloscopus orientalis | 1 | 1 | 0 |
| Western Bonelli's Warbler Phylloscopus bonelli | Willow Warbler Phylloscopus trochilus | 1 | 1 | 0 |
| Lesser Yellowlegs Tringa flavipes | Yellow-browed Warbler Phylloscopus inornatus | 1 | 0 | 1 |
| Yellow-browed Warbler Phylloscopus inornatus | Song Sparrow Melospiza melodia | 1 | 1 | 0 |
| Icterine Warbler Hippolais icterina | Willow Warbler Phylloscopus trochilus | 1 | 0 | 1 |
| Eurasian Blackcap Sylvia atricapilla | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Eurasian Blackcap Sylvia atricapilla | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Eurasian Blackcap Sylvia atricapilla | Brambling Fringilla montifringilla | 1 | 1 | 0 |
| Garden Warbler Sylvia borin | European Pied Flycatcher Ficedula hypoleuca | 1 | 1 | 0 |
| Common Chiffchaff Phylloscopus collybita | Lesser Whitethroat Curruca curruca | 1 | 0 | 1 |
| Lesser Whitethroat Curruca curruca | Common Whitethroat Curruca communis | 1 | 1 | 0 |
| Lesser Whitethroat Curruca curruca | Common Firecrest Regulus ignicapilla | 1 | 1 | 0 |
| Northern Fulmar Fulmarus glacialis | Western Subalpine Warbler Curruca iberiae | 1 | 0 | 1 |
| Garden Warbler Sylvia borin | Common Whitethroat Curruca communis | 1 | 0 | 1 |
| Common Whitethroat Curruca communis | Dartford Warbler Curruca undata | 1 | 1 | 0 |
| Red-backed Shrike Lanius collurio | Goldcrest Regulus regulus | 1 | 0 | 1 |
| Dartford Warbler Curruca undata | Common Firecrest Regulus ignicapilla | 1 | 0 | 1 |
| Northern Lapwing Vanellus vanellus | Common Starling Sturnus vulgaris | 1 | 0 | 1 |
| Black-headed Gull Chroicocephalus ridibundus | Common Starling Sturnus vulgaris | 1 | 0 | 1 |
| Short-toed Treecreeper Certhia brachydactyla | Common Starling Sturnus vulgaris | 1 | 0 | 1 |
| Eurasian Jackdaw Coloeus monedula | Song Thrush Turdus philomelos | 1 | 0 | 1 |
| Song Thrush Turdus philomelos | Eurasian Tree Sparrow Passer montanus | 1 | 1 | 0 |
| Song Thrush Turdus philomelos | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Whooper Swan Cygnus cygnus | Redwing Turdus iliacus | 1 | 0 | 1 |
| Icterine Warbler Hippolais icterina | Redwing Turdus iliacus | 1 | 0 | 1 |
| Eurasian Wren Troglodytes troglodytes | Redwing Turdus iliacus | 1 | 0 | 1 |
| Redwing Turdus iliacus | Twite Linaria flavirostris | 1 | 1 | 0 |
| Common Eider Somateria mollissima | Fieldfare Turdus pilaris | 1 | 0 | 1 |
| Song Thrush Turdus philomelos | Fieldfare Turdus pilaris | 1 | 0 | 1 |
| Fieldfare Turdus pilaris | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Spotted Flycatcher Muscicapa striata | Dunnock Prunella modularis | 1 | 1 | 0 |
| Spotted Flycatcher Muscicapa striata | Common Crossbill Loxia curvirostra | 1 | 1 | 0 |
| Willow Tit Poecile montanus | European Robin Erithacus rubecula | 1 | 0 | 1 |
| Icterine Warbler Hippolais icterina | Bluethroat Luscinia svecica | 1 | 0 | 1 |
| Aquatic Warbler Acrocephalus paludicola | Bluethroat Luscinia svecica | 1 | 0 | 1 |
| Bluethroat Luscinia svecica | Siberian Rubythroat Calliope calliope | 1 | 1 | 0 |
| Bluethroat Luscinia svecica | Dunnock Prunella modularis | 1 | 1 | 0 |
| Bluethroat Luscinia svecica | Tree Pipit Anthus trivialis | 1 | 1 | 0 |
| Black Tern Chlidonias niger | European Pied Flycatcher Ficedula hypoleuca | 1 | 0 | 1 |
| Long-eared Owl Asio otus | European Pied Flycatcher Ficedula hypoleuca | 1 | 0 | 1 |
| European Pied Flycatcher Ficedula hypoleuca | Bohemian Waxwing Bombycilla garrulus | 1 | 1 | 0 |
| European Pied Flycatcher Ficedula hypoleuca | Corn Bunting Emberiza calandra | 1 | 1 | 0 |
| Radde's Warbler Phylloscopus schwarzi | Collared Flycatcher Ficedula albicollis | 1 | 0 | 1 |
| Common Redstart Phoenicurus phoenicurus | Black Redstart Phoenicurus ochruros | 1 | 1 | 0 |
| Common Redstart Phoenicurus phoenicurus | European Stonechat Saxicola rubicola | 1 | 1 | 0 |
| Yellow-browed Warbler Phylloscopus inornatus | Black Redstart Phoenicurus ochruros | 1 | 0 | 1 |
| Stone-curlew Burhinus oedicnemus | Whinchat Saxicola rubetra | 1 | 0 | 1 |
| Short-toed Treecreeper Certhia brachydactyla | Whinchat Saxicola rubetra | 1 | 0 | 1 |
| Mistle Thrush Turdus viscivorus | Whinchat Saxicola rubetra | 1 | 0 | 1 |
| Bearded Tit Panurus biarmicus | European Stonechat Saxicola rubicola | 1 | 0 | 1 |
| Little Grebe Tachybaptus ruficollis | Northern Wheatear Oenanthe oenanthe | 1 | 0 | 1 |
| Eastern Black-eared Wheatear Oenanthe melanoleuca | Pied Wheatear Oenanthe pleschanka | 1 | 0 | 1 |
| Red-backed Shrike Lanius collurio | Bohemian Waxwing Bombycilla garrulus | 1 | 0 | 1 |
| Song Thrush Turdus philomelos | Alpine Accentor Prunella collaris | 1 | 0 | 1 |
| Northern Wheatear Oenanthe oenanthe | Alpine Accentor Prunella collaris | 1 | 0 | 1 |
| Alpine Accentor Prunella collaris | House Sparrow Passer domesticus | 1 | 1 | 0 |
| Alpine Accentor Prunella collaris | Yellowhammer Emberiza citrinella | 1 | 1 | 0 |
| Alpine Accentor Prunella collaris | Dunnock Prunella modularis | 1 | 0 | 1 |
| Dunnock Prunella modularis | Tree Pipit Anthus trivialis | 1 | 1 | 0 |
| Dunnock Prunella modularis | Hawfinch Coccothraustes coccothraustes | 1 | 1 | 0 |
| Eurasian Tree Sparrow Passer montanus | Brambling Fringilla montifringilla | 1 | 1 | 0 |
| Western Yellow Wagtail Motacilla flava | Eastern Yellow Wagtail Motacilla tschutschensis | 1 | 0 | 1 |
| Black Woodpecker Dryocopus martius | Pied Wagtail/White Wagtail Motacilla alba | 1 | 0 | 1 |
| Pied Wagtail/White Wagtail Motacilla alba | Blyth's Pipit Anthus godlewskii | 1 | 1 | 0 |
| Pied Wagtail/White Wagtail Motacilla alba | Water Pipit Anthus spinoletta | 1 | 1 | 0 |
| Pied Wagtail/White Wagtail Motacilla alba | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Short-toed Treecreeper Certhia brachydactyla | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| Eurasian Tree Sparrow Passer montanus | Meadow Pipit Anthus pratensis | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Water Pipit Anthus spinoletta | 1 | 1 | 0 |
| Meadow Pipit Anthus pratensis | Common Chaffinch Fringilla coelebs | 1 | 1 | 0 |
| Common Starling Sturnus vulgaris | Tree Pipit Anthus trivialis | 1 | 0 | 1 |
| Tree Pipit Anthus trivialis | Twite Linaria flavirostris | 1 | 1 | 0 |
| Red-throated Pipit Anthus cervinus | Rustic Bunting Emberiza rustica | 1 | 1 | 0 |
| Common Sandpiper Actitis hypoleucos | Water Pipit Anthus spinoletta | 1 | 0 | 1 |
| Common Tern Sterna hirundo | Water Pipit Anthus spinoletta | 1 | 0 | 1 |
| Spotted Flycatcher Muscicapa striata | Water Pipit Anthus spinoletta | 1 | 0 | 1 |
| Common Grasshopper Warbler Locustella naevia | Rock Pipit Anthus petrosus | 1 | 0 | 1 |
| Common Chiffchaff Phylloscopus collybita | Rock Pipit Anthus petrosus | 1 | 0 | 1 |
| Rock Pipit Anthus petrosus | Buff-bellied Pipit Anthus rubescens | 1 | 0 | 1 |
| Song Thrush Turdus philomelos | Common Chaffinch Fringilla coelebs | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Hawfinch Coccothraustes coccothraustes | 1 | 1 | 0 |
| Goldcrest Regulus regulus | Brambling Fringilla montifringilla | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Brambling Fringilla montifringilla | 1 | 0 | 1 |
| Brambling Fringilla montifringilla | Twite Linaria flavirostris | 1 | 1 | 0 |
| Western Yellow Wagtail Motacilla flava | Hawfinch Coccothraustes coccothraustes | 1 | 0 | 1 |
| Brambling Fringilla montifringilla | Hawfinch Coccothraustes coccothraustes | 1 | 0 | 1 |
| Common Rosefinch Carpodacus erythrinus | Citril Finch Carduelis citrinella | 1 | 1 | 0 |
| Eurasian Bullfinch Pyrrhula pyrrhula | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| Eurasian Blue Tit Cyanistes caeruleus | European Greenfinch Chloris chloris | 1 | 0 | 1 |
| Great Tit Parus major | European Greenfinch Chloris chloris | 1 | 0 | 1 |
| Twite Linaria flavirostris | Lesser Redpoll Acanthis cabaret | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Common Linnet Linaria cannabina | 1 | 0 | 1 |
| Northern Lapwing Vanellus vanellus | Common Linnet Linaria cannabina | 1 | 0 | 1 |
| Common Linnet Linaria cannabina | Common Redpoll Acanthis flammea | 1 | 1 | 0 |
| Common Linnet Linaria cannabina | Lesser Redpoll Acanthis cabaret | 1 | 1 | 0 |
| Eurasian Blackcap Sylvia atricapilla | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Eurasian Nuthatch Sitta europaea | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Alpine Accentor Prunella collaris | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Common Redpoll Acanthis flammea | Lesser Redpoll Acanthis cabaret | 1 | 0 | 1 |
| Common Redpoll Acanthis flammea | Arctic Redpoll Acanthis hornemanni | 1 | 0 | 1 |
| Rook Corvus frugilegus | Common Crossbill Loxia curvirostra | 1 | 0 | 1 |
| Fieldfare Turdus pilaris | Common Crossbill Loxia curvirostra | 1 | 0 | 1 |
| Meadow Pipit Anthus pratensis | Common Crossbill Loxia curvirostra | 1 | 0 | 1 |
| Common Crossbill Loxia curvirostra | European Goldfinch Carduelis carduelis | 1 | 1 | 0 |
| Northern Lapwing Vanellus vanellus | European Goldfinch Carduelis carduelis | 1 | 0 | 1 |
| Peregrine Falcon Falco peregrinus | European Goldfinch Carduelis carduelis | 1 | 0 | 1 |
| Common Crossbill Loxia curvirostra | European Serin Serinus serinus | 1 | 0 | 1 |
| European Serin Serinus serinus | Eurasian Siskin Spinus spinus | 1 | 1 | 0 |
| European Golden Plover Pluvialis apricaria | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| European Stonechat Saxicola rubicola | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Richard's Pipit Anthus richardi | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Tree Pipit Anthus trivialis | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Lesser Redpoll Acanthis cabaret | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Citril Finch Carduelis citrinella | Eurasian Siskin Spinus spinus | 1 | 0 | 1 |
| Lapland Bunting Calcarius lapponicus | Corn Bunting Emberiza calandra | 1 | 1 | 0 |
| Redwing Turdus iliacus | Snow Bunting Plectrophenax nivalis | 1 | 0 | 1 |
| Snow Bunting Plectrophenax nivalis | Rock Bunting Emberiza cia | 1 | 1 | 0 |
| Corn Bunting Emberiza calandra | Cirl Bunting Emberiza cirlus | 1 | 1 | 0 |
| Collared Flycatcher Ficedula albicollis | Rock Bunting Emberiza cia | 1 | 0 | 1 |
| Common Chiffchaff Phylloscopus collybita | Yellowhammer Emberiza citrinella | 1 | 0 | 1 |
| Tree Pipit Anthus trivialis | Pine Bunting Emberiza leucocephalos | 1 | 0 | 1 |
| Pacific Golden Plover Pluvialis fulva | Grey-necked Bunting Emberiza buchanani | 1 | 0 | 1 |
| Common Chaffinch Fringilla coelebs | Ortolan Bunting Emberiza hortulana | 1 | 0 | 1 |
| Hen Harrier Circus cyaneus | Common Reed Bunting Emberiza schoeniclus | 1 | 0 | 1 |
| Ortolan Bunting Emberiza hortulana | Common Reed Bunting Emberiza schoeniclus | 1 | 0 | 1 |
| Little Bunting Emberiza pusilla | Rustic Bunting Emberiza rustica | 1 | 0 | 1 |