Dave Cox: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 230 of 230 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 359 76.55 2 Canada Goose Branta canadensis 460 98.08 3 Greylag Goose Anser anser 449 95.74 4 Pink-footed Goose Anser brachyrhynchus 357 76.12 5 Tundra Bean Goose Anser serrirostris 83 17.70 6 Mute Swan Cygnus olor 461 98.29 7 Whooper Swan Cygnus cygnus 310 66.10 8 Egyptian Goose Alopochen aegyptiaca 370 78.89 9 Shelduck Tadorna tadorna 441 94.03 10 Mandarin Duck Aix galericulata 310 66.10 11 Garganey Spatula querquedula 282 60.13 12 Shoveler Spatula clypeata 444 94.67 13 Gadwall Mareca strepera 442 94.24 14 Wigeon Mareca penelope 442 94.24 15 Mallard Anas platyrhynchos 461 98.29 16 Pintail Anas acuta 390 83.16 17 Teal Anas crecca 445 94.88 18 Green-winged Teal Anas carolinensis 74 15.78 19 Red-crested Pochard Netta rufina 170 36.25 20 Pochard Aythya ferina 426 90.83 21 Tufted Duck Aythya fuligula 457 97.44 22 Scaup Aythya marila 244 52.03 23 King Eider Somateria spectabilis 57 12.15 24 Eider Somateria mollissima 333 71.00 25 Common Scoter Melanitta nigra 347 73.99 26 Long-tailed Duck Clangula hyemalis 205 43.71 27 Goldeneye Bucephala clangula 383 81.66 28 Smew Mergellus albellus 159 33.90 29 Goosander Mergus merganser 390 83.16 30 Red-breasted Merganser Mergus serrator 324 69.08 31 Red Grouse Lagopus lagopus 209 44.56 32 Black Grouse Lyrurus tetrix 102 21.75 33 Grey Partridge Perdix perdix 294 62.69 34 Pheasant Phasianus colchicus 454 96.80 35 Red-legged Partridge Alectoris rufa 400 85.29 36 Nightjar Caprimulgus europaeus 205 43.71 37 Swift Apus apus 430 91.68 38 Cuckoo Cuculus canorus 382 81.45 39 Rock Dove (Feral Pigeon) Columba livia 403 85.93 40 Stock Dove Columba oenas 416 88.70 41 Woodpigeon Columba palumbus 463 98.72 42 Turtle Dove Streptopelia turtur 172 36.67 43 Collared Dove Streptopelia decaocto 453 96.59 44 Water Rail Rallus aquaticus 353 75.27 45 Moorhen Gallinula chloropus 458 97.65 46 Coot Fulica atra 456 97.23 47 Crane Grus grus 199 42.43 48 Little Grebe Tachybaptus ruficollis 443 94.46 49 Red-necked Grebe Podiceps grisegena 141 30.06 50 Great Crested Grebe Podiceps cristatus 447 95.31 51 Slavonian Grebe Podiceps auritus 235 50.11 52 Black-necked Grebe Podiceps nigricollis 255 54.37 53 Stone-curlew Burhinus oedicnemus 168 35.82 54 Oystercatcher Haematopus ostralegus 448 95.52 55 Avocet Recurvirostra avosetta 394 84.01 56 Grey Plover Pluvialis squatarola 343 73.13 57 Golden Plover Pluvialis apricaria 389 82.94 58 Pacific Golden Plover Pluvialis fulva 133 28.36 59 Ringed Plover Charadrius hiaticula 399 85.07 60 Little Ringed Plover Charadrius dubius 360 76.76 61 Lapwing Vanellus vanellus 453 96.59 62 White-tailed Plover Vanellus leucurus 200 42.64 63 Eurasian Whimbrel Numenius phaeopus 349 74.41 64 Curlew Numenius arquata 436 92.96 65 Bar-tailed Godwit Limosa lapponica 368 78.46 66 Black-tailed Godwit Limosa limosa 411 87.63 67 Jack Snipe Lymnocryptes minimus 232 49.47 68 Woodcock Scolopax rusticola 291 62.05 69 Snipe Gallinago gallinago 413 88.06 70 Common Sandpiper Actitis hypoleucos 397 84.65 71 Green Sandpiper Tringa ochropus 351 74.84 72 Wood Sandpiper Tringa glareola 270 57.57 73 Redshank Tringa totanus 434 92.54 74 Spotted Redshank Tringa erythropus 331 70.58 75 Greenshank Tringa nebularia 382 81.45 76 Turnstone Arenaria interpres 411 87.63 77 Knot Calidris canutus 349 74.41 78 Ruff Calidris pugnax 369 78.68 79 Curlew Sandpiper Calidris ferruginea 260 55.44 80 Long-toed Stint Calidris subminuta 128 27.29 81 Sanderling Calidris alba 369 78.68 82 Dunlin Calidris alpina 418 89.13 83 Purple Sandpiper Calidris maritima 265 56.50 84 Little Stint Calidris minuta 290 61.83 85 Western Sandpiper Calidris mauri 59 12.58 86 Collared Pratincole Glareola pratincola 60 12.79 87 Little Tern Sternula albifrons 286 60.98 88 Caspian Tern Hydroprogne caspia 54 11.51 89 Black Tern Chlidonias niger 167 35.61 90 Arctic Tern Sterna paradisaea 290 61.83 91 Common Tern Sterna hirundo 407 86.78 92 Roseate Tern Sterna dougallii 143 30.49 93 Sandwich Tern Thalasseus sandvicensis 372 79.32 94 Little Gull Hydrocoloeus minutus 281 59.91 95 Kittiwake Rissa tridactyla 382 81.45 96 Black-headed Gull Chroicocephalus ridibundus 460 98.08 97 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 98 Common Gull Larus canus 418 89.13 99 Caspian Gull Larus cachinnans 184 39.23 100 Herring Gull Larus argentatus 457 97.44 101 Yellow-legged Gull Larus michahellis 226 48.19 102 Great Black-backed Gull Larus marinus 433 92.32 103 Glaucous Gull Larus hyperboreus 88 18.76 104 Lesser Black-backed Gull Larus fuscus 448 95.52 105 Iceland Gull Larus glaucoides 158 33.69 106 Great Skua Stercorarius skua 216 46.06 107 Puffin Fratercula arctica 305 65.03 108 Black Guillemot Cepphus grylle 206 43.92 109 Razorbill Alca torda 377 80.38 110 Common Guillemot Uria aalge 387 82.52 111 Red-throated Diver Gavia stellata 330 70.36 112 Great Northern Diver Gavia immer 287 61.19 113 White-billed Diver Gavia adamsii 48 10.23 114 Black-browed Albatross Thalassarche melanophris 200 42.64 115 Fulmar Fulmarus glacialis 389 82.94 116 Black Stork Ciconia nigra 82 17.48 117 Gannet Morus bassanus 405 86.35 118 Cormorant Phalacrocorax carbo 457 97.44 119 Shag Gulosus aristotelis 370 78.89 120 Spoonbill Platalea leucorodia 335 71.43 121 Bittern Botaurus stellaris 294 62.69 122 Little Egret Egretta garzetta 444 94.67 123 Cattle Egret Bubulcus ibis 300 63.97 124 Great White Egret Ardea alba 387 82.52 125 Grey Heron Ardea cinerea 454 96.80 126 Purple Heron Ardea purpurea 53 11.30 127 Honey-buzzard Pernis apivorus 83 17.70 128 Sparrowhawk Accipiter nisus 443 94.46 129 Marsh Harrier Circus aeruginosus 406 86.57 130 Red Kite Milvus milvus 434 92.54 131 Buzzard Buteo buteo 457 97.44 132 Barn Owl Tyto alba 371 79.10 133 Little Owl Athene noctua 281 59.91 134 Short-eared Owl Asio flammeus 262 55.86 135 Roller Coracias garrulus 113 24.09 136 Kingfisher Alcedo atthis 410 87.42 137 Belted Kingfisher Megaceryle alcyon 93 19.83 138 Wryneck Jynx torquilla 108 23.03 139 Great Spotted Woodpecker Dendrocopos major 443 94.46 140 Green Woodpecker Picus viridis 395 84.22 141 Kestrel Falco tinnunculus 453 96.59 142 Merlin Falco columbarius 275 58.64 143 Hobby Falco subbuteo 347 73.99 144 Peregrine Falco peregrinus 421 89.77 145 Ring-necked Parakeet Psittacula krameri 290 61.83 146 Golden Oriole Oriolus oriolus 57 12.15 147 Woodchat Shrike Lanius senator 99 21.11 148 Red-backed Shrike Lanius collurio 122 26.01 149 Jay Garrulus glandarius 447 95.31 150 Magpie Pica pica 460 98.08 151 Chough Pyrrhocorax pyrrhocorax 194 41.36 152 Jackdaw Coloeus monedula 459 97.87 153 Rook Corvus frugilegus 453 96.59 154 Carrion Crow Corvus corone 460 98.08 155 Hooded Crow Corvus cornix 193 41.15 156 Raven Corvus corax 415 88.49 157 Coal Tit Periparus ater 446 95.10 158 Marsh Tit Poecile palustris 318 67.80 159 Blue Tit Cyanistes caeruleus 463 98.72 160 Great Tit Parus major 461 98.29 161 Bearded Tit Panurus biarmicus 299 63.75 162 Woodlark Lullula arborea 210 44.78 163 Skylark Alauda arvensis 440 93.82 164 Shore Lark Eremophila alpestris 122 26.01 165 Sand Martin Riparia riparia 426 90.83 166 Swallow Hirundo rustica 437 93.18 167 House Martin Delichon urbicum 432 92.11 168 American Cliff Swallow Petrochelidon pyrrhonota 1 0.21 169 Cetti's Warbler Cettia cetti 387 82.52 170 Long-tailed Tit Aegithalos caudatus 453 96.59 171 Radde's Warbler Phylloscopus schwarzi 21 4.48 172 Willow Warbler Phylloscopus trochilus 415 88.49 173 Chiffchaff Phylloscopus collybita 441 94.03 174 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 175 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 176 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 177 Blyth's Reed Warbler Acrocephalus dumetorum 43 9.17 178 Reed Warbler Acrocephalus scirpaceus 399 85.07 179 Marsh Warbler Acrocephalus palustris 52 11.09 180 Grasshopper Warbler Locustella naevia 264 56.29 181 Blackcap Sylvia atricapilla 437 93.18 182 Garden Warbler Sylvia borin 343 73.13 183 Lesser Whitethroat Curruca curruca 332 70.79 184 Whitethroat Curruca communis 421 89.77 185 Goldcrest Regulus regulus 427 91.04 186 Wren Troglodytes troglodytes 458 97.65 187 Nuthatch Sitta europaea 431 91.90 188 Treecreeper Certhia familiaris 420 89.55 189 Starling Sturnus vulgaris 458 97.65 190 Song Thrush Turdus philomelos 454 96.80 191 Mistle Thrush Turdus viscivorus 437 93.18 192 Redwing Turdus iliacus 443 94.46 193 Blackbird Turdus merula 462 98.51 194 Fieldfare Turdus pilaris 422 89.98 195 Spotted Flycatcher Muscicapa striata 330 70.36 196 Robin Erithacus rubecula 462 98.51 197 Bluethroat Luscinia svecica 83 17.70 198 Pied Flycatcher Ficedula hypoleuca 286 60.98 199 Red-flanked Bluetail Tarsiger cyanurus 52 11.09 200 Black Redstart Phoenicurus ochruros 230 49.04 201 Redstart Phoenicurus phoenicurus 335 71.43 202 Whinchat Saxicola rubetra 302 64.39 203 Stonechat Saxicola rubicola 432 92.11 204 Wheatear Oenanthe oenanthe 409 87.21 205 Dipper Cinclus cinclus 289 61.62 206 Tree Sparrow Passer montanus 328 69.94 207 House Sparrow Passer domesticus 458 97.65 208 Dunnock Prunella modularis 462 98.51 209 Yellow Wagtail Motacilla flava 368 78.46 210 Eastern Yellow Wagtail Motacilla tschutschensis 23 4.90 211 Grey Wagtail Motacilla cinerea 440 93.82 212 Pied Wagtail Motacilla alba 460 98.08 213 Meadow Pipit Anthus pratensis 434 92.54 214 Rock Pipit Anthus petrosus 372 79.32 215 Chaffinch Fringilla coelebs 457 97.44 216 Brambling Fringilla montifringilla 310 66.10 217 Bullfinch Pyrrhula pyrrhula 429 91.47 218 Common Rosefinch Carpodacus erythrinus 69 14.71 219 Greenfinch Chloris chloris 453 96.59 220 Twite Linaria flavirostris 178 37.95 221 Linnet Linaria cannabina 437 93.18 222 Common Redpoll Acanthis flammea 79 16.84 223 Lesser Redpoll Acanthis cabaret 341 72.71 224 Goldfinch Carduelis carduelis 454 96.80 225 Siskin Spinus spinus 414 88.27 226 Snow Bunting Plectrophenax nivalis 254 54.16 227 Corn Bunting Emberiza calandra 289 61.62 228 Yellowhammer Emberiza citrinella 407 86.78 229 Little Bunting Emberiza pusilla 110 23.45 230 Reed Bunting Emberiza schoeniclus 439 93.60