Richard Yarnell: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 178 of 178 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 Barnacle Goose Branta leucopsis 322 68.66 4 Greylag Goose Anser anser 449 95.74 5 Pink-footed Goose Anser brachyrhynchus 357 76.12 6 Mute Swan Cygnus olor 461 98.29 7 Whooper Swan Cygnus cygnus 310 66.10 8 Shelduck Tadorna tadorna 441 94.03 9 Mandarin Duck Aix galericulata 310 66.10 10 Shoveler Spatula clypeata 444 94.67 11 Gadwall Mareca strepera 442 94.24 12 Wigeon Mareca penelope 442 94.24 13 Mallard Anas platyrhynchos 461 98.29 14 Pintail Anas acuta 390 83.16 15 Teal Anas crecca 445 94.88 16 Pochard Aythya ferina 426 90.83 17 Tufted Duck Aythya fuligula 457 97.44 18 Scaup Aythya marila 244 52.03 19 Eider Somateria mollissima 333 71.00 20 Velvet Scoter Melanitta fusca 171 36.46 21 Common Scoter Melanitta nigra 347 73.99 22 Goldeneye Bucephala clangula 383 81.66 23 Goosander Mergus merganser 390 83.16 24 Red-breasted Merganser Mergus serrator 324 69.08 25 Red Grouse Lagopus lagopus 209 44.56 26 Black Grouse Lyrurus tetrix 102 21.75 27 Grey Partridge Perdix perdix 294 62.69 28 Pheasant Phasianus colchicus 454 96.80 29 Red-legged Partridge Alectoris rufa 400 85.29 30 Nightjar Caprimulgus europaeus 205 43.71 31 Swift Apus apus 430 91.68 32 Rock Dove (Feral Pigeon) Columba livia 403 85.93 33 Stock Dove Columba oenas 416 88.70 34 Woodpigeon Columba palumbus 463 98.72 35 Collared Dove Streptopelia decaocto 453 96.59 36 Moorhen Gallinula chloropus 458 97.65 37 Coot Fulica atra 456 97.23 38 Little Grebe Tachybaptus ruficollis 443 94.46 39 Great Crested Grebe Podiceps cristatus 447 95.31 40 Black-necked Grebe Podiceps nigricollis 255 54.37 41 Oystercatcher Haematopus ostralegus 448 95.52 42 Avocet Recurvirostra avosetta 394 84.01 43 Grey Plover Pluvialis squatarola 343 73.13 44 Golden Plover Pluvialis apricaria 389 82.94 45 Pacific Golden Plover Pluvialis fulva 133 28.36 46 Ringed Plover Charadrius hiaticula 399 85.07 47 Little Ringed Plover Charadrius dubius 360 76.76 48 Lapwing Vanellus vanellus 453 96.59 49 Eurasian Whimbrel Numenius phaeopus 349 74.41 50 Curlew Numenius arquata 436 92.96 51 Bar-tailed Godwit Limosa lapponica 368 78.46 52 Black-tailed Godwit Limosa limosa 411 87.63 53 Woodcock Scolopax rusticola 291 62.05 54 Snipe Gallinago gallinago 413 88.06 55 Common Sandpiper Actitis hypoleucos 397 84.65 56 Green Sandpiper Tringa ochropus 351 74.84 57 Wood Sandpiper Tringa glareola 270 57.57 58 Redshank Tringa totanus 434 92.54 59 Spotted Redshank Tringa erythropus 331 70.58 60 Greenshank Tringa nebularia 382 81.45 61 Turnstone Arenaria interpres 411 87.63 62 Knot Calidris canutus 349 74.41 63 Ruff Calidris pugnax 369 78.68 64 Curlew Sandpiper Calidris ferruginea 259 55.22 65 Sanderling Calidris alba 369 78.68 66 Dunlin Calidris alpina 418 89.13 67 Little Stint Calidris minuta 290 61.83 68 Little Tern Sternula albifrons 286 60.98 69 Arctic Tern Sterna paradisaea 290 61.83 70 Common Tern Sterna hirundo 407 86.78 71 Roseate Tern Sterna dougallii 143 30.49 72 Sandwich Tern Thalasseus sandvicensis 372 79.32 73 Little Gull Hydrocoloeus minutus 281 59.91 74 Kittiwake Rissa tridactyla 382 81.45 75 Black-headed Gull Chroicocephalus ridibundus 460 98.08 76 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 77 Common Gull Larus canus 418 89.13 78 Herring Gull Larus argentatus 457 97.44 79 Great Black-backed Gull Larus marinus 433 92.32 80 Lesser Black-backed Gull Larus fuscus 448 95.52 81 Arctic Skua Stercorarius parasiticus 204 43.50 82 Great Skua Stercorarius skua 216 46.06 83 Puffin Fratercula arctica 305 65.03 84 Black Guillemot Cepphus grylle 206 43.92 85 Razorbill Alca torda 377 80.38 86 Common Guillemot Uria aalge 387 82.52 87 Black-throated Diver Gavia arctica 178 37.95 88 Great Northern Diver Gavia immer 287 61.19 89 Fulmar Fulmarus glacialis 389 82.94 90 Manx Shearwater Puffinus puffinus 246 52.45 91 Gannet Morus bassanus 405 86.35 92 Cormorant Phalacrocorax carbo 457 97.44 93 Shag Gulosus aristotelis 370 78.89 94 Spoonbill Platalea leucorodia 335 71.43 95 Bittern Botaurus stellaris 294 62.69 96 Little Egret Egretta garzetta 444 94.67 97 Cattle Egret Bubulcus ibis 300 63.97 98 Great White Egret Ardea alba 387 82.52 99 Grey Heron Ardea cinerea 454 96.80 100 Osprey Pandion haliaetus 294 62.69 101 Sparrowhawk Accipiter nisus 443 94.46 102 Marsh Harrier Circus aeruginosus 406 86.57 103 Red Kite Milvus milvus 434 92.54 104 White-tailed Eagle Haliaeetus albicilla 114 24.31 105 Buzzard Buteo buteo 457 97.44 106 Barn Owl Tyto alba 371 79.10 107 Little Owl Athene noctua 281 59.91 108 Long-eared Owl Asio otus 113 24.09 109 Short-eared Owl Asio flammeus 262 55.86 110 Tawny Owl Strix aluco 364 77.61 111 Kingfisher Alcedo atthis 410 87.42 112 Great Spotted Woodpecker Dendrocopos major 443 94.46 113 Green Woodpecker Picus viridis 395 84.22 114 Kestrel Falco tinnunculus 453 96.59 115 Hobby Falco subbuteo 347 73.99 116 Peregrine Falco peregrinus 421 89.77 117 Jay Garrulus glandarius 447 95.31 118 Magpie Pica pica 460 98.08 119 Jackdaw Coloeus monedula 459 97.87 120 Rook Corvus frugilegus 453 96.59 121 Carrion Crow Corvus corone 460 98.08 122 Hooded Crow Corvus cornix 193 41.15 123 Raven Corvus corax 415 88.49 124 Coal Tit Periparus ater 446 95.10 125 Marsh Tit Poecile palustris 318 67.80 126 Blue Tit Cyanistes caeruleus 463 98.72 127 Great Tit Parus major 461 98.29 128 Bearded Tit Panurus biarmicus 299 63.75 129 Woodlark Lullula arborea 210 44.78 130 Skylark Alauda arvensis 440 93.82 131 Sand Martin Riparia riparia 426 90.83 132 Swallow Hirundo rustica 437 93.18 133 House Martin Delichon urbicum 432 92.11 134 Long-tailed Tit Aegithalos caudatus 453 96.59 135 Willow Warbler Phylloscopus trochilus 415 88.49 136 Chiffchaff Phylloscopus collybita 441 94.03 137 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 138 Reed Warbler Acrocephalus scirpaceus 399 85.07 139 Blackcap Sylvia atricapilla 437 93.18 140 Lesser Whitethroat Curruca curruca 332 70.79 141 Whitethroat Curruca communis 421 89.77 142 Dartford Warbler Curruca undata 184 39.23 143 Goldcrest Regulus regulus 427 91.04 144 Wren Troglodytes troglodytes 458 97.65 145 Nuthatch Sitta europaea 431 91.90 146 Treecreeper Certhia familiaris 420 89.55 147 Starling Sturnus vulgaris 458 97.65 148 Song Thrush Turdus philomelos 454 96.80 149 Mistle Thrush Turdus viscivorus 437 93.18 150 Redwing Turdus iliacus 443 94.46 151 Blackbird Turdus merula 462 98.51 152 Fieldfare Turdus pilaris 422 89.98 153 Spotted Flycatcher Muscicapa striata 330 70.36 154 Robin Erithacus rubecula 462 98.51 155 Black Redstart Phoenicurus ochruros 230 49.04 156 Stonechat Saxicola rubicola 432 92.11 157 Wheatear Oenanthe oenanthe 409 87.21 158 Dipper Cinclus cinclus 289 61.62 159 Tree Sparrow Passer montanus 328 69.94 160 House Sparrow Passer domesticus 458 97.65 161 Dunnock Prunella modularis 462 98.51 162 Yellow Wagtail Motacilla flava 368 78.46 163 Grey Wagtail Motacilla cinerea 440 93.82 164 Pied Wagtail Motacilla alba 460 98.08 165 Meadow Pipit Anthus pratensis 434 92.54 166 Tree Pipit Anthus trivialis 307 65.46 167 Rock Pipit Anthus petrosus 372 79.32 168 Chaffinch Fringilla coelebs 457 97.44 169 Brambling Fringilla montifringilla 310 66.10 170 Bullfinch Pyrrhula pyrrhula 429 91.47 171 Greenfinch Chloris chloris 453 96.59 172 Linnet Linaria cannabina 437 93.18 173 Common Redpoll Acanthis flammea 79 16.84 174 Goldfinch Carduelis carduelis 454 96.80 175 Siskin Spinus spinus 414 88.27 176 Corn Bunting Emberiza calandra 289 61.62 177 Yellowhammer Emberiza citrinella 407 86.78 178 Reed Bunting Emberiza schoeniclus 439 93.60