Gary White: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 189 of 189 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 White-fronted Goose Anser albifrons 238 50.75 7 Mute Swan Cygnus olor 461 98.29 8 Bewick's Swan Cygnus columbianus 135 28.78 9 Whooper Swan Cygnus cygnus 310 66.10 10 Egyptian Goose Alopochen aegyptiaca 370 78.89 11 Shelduck Tadorna tadorna 441 94.03 12 Mandarin Duck Aix galericulata 310 66.10 13 Shoveler Spatula clypeata 444 94.67 14 Gadwall Mareca strepera 442 94.24 15 Wigeon Mareca penelope 442 94.24 16 Mallard Anas platyrhynchos 461 98.29 17 Pintail Anas acuta 390 83.16 18 Teal Anas crecca 445 94.88 19 Pochard Aythya ferina 426 90.83 20 Tufted Duck Aythya fuligula 457 97.44 21 Scaup Aythya marila 244 52.03 22 Eider Somateria mollissima 333 71.00 23 Common Scoter Melanitta nigra 347 73.99 24 Goldeneye Bucephala clangula 383 81.66 25 Smew Mergellus albellus 159 33.90 26 Grey Partridge Perdix perdix 294 62.69 27 Pheasant Phasianus colchicus 454 96.80 28 Red-legged Partridge Alectoris rufa 400 85.29 29 Nightjar Caprimulgus europaeus 205 43.71 30 Swift Apus apus 430 91.68 31 Cuckoo Cuculus canorus 382 81.45 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 Turtle Dove Streptopelia turtur 172 36.67 36 Collared Dove Streptopelia decaocto 453 96.59 37 Water Rail Rallus aquaticus 353 75.27 38 Moorhen Gallinula chloropus 458 97.65 39 Coot Fulica atra 456 97.23 40 Crane Grus grus 199 42.43 41 Little Grebe Tachybaptus ruficollis 443 94.46 42 Great Crested Grebe Podiceps cristatus 447 95.31 43 Oystercatcher Haematopus ostralegus 448 95.52 44 Avocet Recurvirostra avosetta 394 84.01 45 Grey Plover Pluvialis squatarola 343 73.13 46 Golden Plover Pluvialis apricaria 389 82.94 47 Ringed Plover Charadrius hiaticula 399 85.07 48 Little Ringed Plover Charadrius dubius 360 76.76 49 Lapwing Vanellus vanellus 453 96.59 50 Eurasian Whimbrel Numenius phaeopus 349 74.41 51 Curlew Numenius arquata 436 92.96 52 Bar-tailed Godwit Limosa lapponica 368 78.46 53 Black-tailed Godwit Limosa limosa 411 87.63 54 Woodcock Scolopax rusticola 291 62.05 55 Snipe Gallinago gallinago 413 88.06 56 Common Sandpiper Actitis hypoleucos 397 84.65 57 Green Sandpiper Tringa ochropus 351 74.84 58 Wood Sandpiper Tringa glareola 270 57.57 59 Redshank Tringa totanus 434 92.54 60 Spotted Redshank Tringa erythropus 331 70.58 61 Greenshank Tringa nebularia 382 81.45 62 Turnstone Arenaria interpres 411 87.63 63 Knot Calidris canutus 349 74.41 64 Ruff Calidris pugnax 369 78.68 65 Sanderling Calidris alba 369 78.68 66 Dunlin Calidris alpina 418 89.13 67 Little Stint Calidris minuta 290 61.83 68 Pectoral Sandpiper Calidris melanotos 177 37.74 69 Little Tern Sternula albifrons 286 60.98 70 Arctic Tern Sterna paradisaea 290 61.83 71 Common Tern Sterna hirundo 407 86.78 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 Caspian Gull Larus cachinnans 184 39.23 79 Herring Gull Larus argentatus 457 97.44 80 Great Black-backed Gull Larus marinus 433 92.32 81 Lesser Black-backed Gull Larus fuscus 448 95.52 82 Arctic Skua Stercorarius parasiticus 204 43.50 83 Razorbill Alca torda 377 80.38 84 Common Guillemot Uria aalge 387 82.52 85 Red-throated Diver Gavia stellata 330 70.36 86 Great Northern Diver Gavia immer 287 61.19 87 Fulmar Fulmarus glacialis 389 82.94 88 Balearic Shearwater Puffinus mauretanicus 94 20.04 89 Gannet Morus bassanus 405 86.35 90 Cormorant Phalacrocorax carbo 457 97.44 91 Shag Gulosus aristotelis 370 78.89 92 Spoonbill Platalea leucorodia 335 71.43 93 Bittern Botaurus stellaris 294 62.69 94 Little Egret Egretta garzetta 444 94.67 95 Great White Egret Ardea alba 387 82.52 96 Grey Heron Ardea cinerea 454 96.80 97 Osprey Pandion haliaetus 294 62.69 98 Sparrowhawk Accipiter nisus 443 94.46 99 Goshawk Accipiter gentilis 195 41.58 100 Marsh Harrier Circus aeruginosus 406 86.57 101 Hen Harrier Circus cyaneus 227 48.40 102 Red Kite Milvus milvus 434 92.54 103 Buzzard Buteo buteo 457 97.44 104 Barn Owl Tyto alba 371 79.10 105 Little Owl Athene noctua 281 59.91 106 Short-eared Owl Asio flammeus 262 55.86 107 Tawny Owl Strix aluco 364 77.61 108 Kingfisher Alcedo atthis 410 87.42 109 Great Spotted Woodpecker Dendrocopos major 443 94.46 110 Green Woodpecker Picus viridis 395 84.22 111 Kestrel Falco tinnunculus 453 96.59 112 Merlin Falco columbarius 275 58.64 113 Hobby Falco subbuteo 347 73.99 114 Peregrine Falco peregrinus 421 89.77 115 Ring-necked Parakeet Psittacula krameri 290 61.83 116 Great Grey Shrike Lanius excubitor 67 14.29 117 Red-backed Shrike Lanius collurio 122 26.01 118 Jay Garrulus glandarius 447 95.31 119 Magpie Pica pica 460 98.08 120 Chough Pyrrhocorax pyrrhocorax 194 41.36 121 Jackdaw Coloeus monedula 459 97.87 122 Rook Corvus frugilegus 453 96.59 123 Carrion Crow Corvus corone 460 98.08 124 Hooded Crow Corvus cornix 193 41.15 125 Raven Corvus corax 415 88.49 126 Coal Tit Periparus ater 446 95.10 127 Marsh Tit Poecile palustris 318 67.80 128 Blue Tit Cyanistes caeruleus 463 98.72 129 Great Tit Parus major 461 98.29 130 Bearded Tit Panurus biarmicus 299 63.75 131 Skylark Alauda arvensis 440 93.82 132 Short-toed Lark Calandrella brachydactyla 37 7.89 133 Sand Martin Riparia riparia 426 90.83 134 Swallow Hirundo rustica 437 93.18 135 House Martin Delichon urbicum 432 92.11 136 Cetti's Warbler Cettia cetti 387 82.52 137 Long-tailed Tit Aegithalos caudatus 453 96.59 138 Willow Warbler Phylloscopus trochilus 415 88.49 139 Chiffchaff Phylloscopus collybita 441 94.03 140 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 141 Reed Warbler Acrocephalus scirpaceus 399 85.07 142 Grasshopper Warbler Locustella naevia 264 56.29 143 Blackcap Sylvia atricapilla 437 93.18 144 Garden Warbler Sylvia borin 343 73.13 145 Lesser Whitethroat Curruca curruca 332 70.79 146 Whitethroat Curruca communis 421 89.77 147 Dartford Warbler Curruca undata 184 39.23 148 Firecrest Regulus ignicapilla 198 42.22 149 Goldcrest Regulus regulus 427 91.04 150 Wren Troglodytes troglodytes 458 97.65 151 Nuthatch Sitta europaea 431 91.90 152 Treecreeper Certhia familiaris 420 89.55 153 Starling Sturnus vulgaris 458 97.65 154 Song Thrush Turdus philomelos 454 96.80 155 Mistle Thrush Turdus viscivorus 437 93.18 156 Redwing Turdus iliacus 443 94.46 157 Blackbird Turdus merula 462 98.51 158 Fieldfare Turdus pilaris 422 89.98 159 Ring Ouzel Turdus torquatus 261 55.65 160 Spotted Flycatcher Muscicapa striata 330 70.36 161 Robin Erithacus rubecula 462 98.51 162 Pied Flycatcher Ficedula hypoleuca 286 60.98 163 Whinchat Saxicola rubetra 302 64.39 164 Stonechat Saxicola rubicola 432 92.11 165 Wheatear Oenanthe oenanthe 409 87.21 166 House Sparrow Passer domesticus 458 97.65 167 Dunnock Prunella modularis 462 98.51 168 Yellow Wagtail Motacilla flava 368 78.46 169 Grey Wagtail Motacilla cinerea 440 93.82 170 Pied Wagtail Motacilla alba 460 98.08 171 Richard's Pipit Anthus richardi 23 4.90 172 Meadow Pipit Anthus pratensis 434 92.54 173 Water Pipit Anthus spinoletta 155 33.05 174 Rock Pipit Anthus petrosus 372 79.32 175 Chaffinch Fringilla coelebs 457 97.44 176 Brambling Fringilla montifringilla 310 66.10 177 Bullfinch Pyrrhula pyrrhula 429 91.47 178 Greenfinch Chloris chloris 453 96.59 179 Linnet Linaria cannabina 437 93.18 180 Lesser Redpoll Acanthis cabaret 341 72.71 181 Common Crossbill Loxia curvirostra 263 56.08 182 Goldfinch Carduelis carduelis 454 96.80 183 Siskin Spinus spinus 414 88.27 184 Lapland Bunting Calcarius lapponicus 78 16.63 185 Snow Bunting Plectrophenax nivalis 254 54.16 186 Yellowhammer Emberiza citrinella 407 86.78 187 Cirl Bunting Emberiza cirlus 103 21.96 188 Yellow-browed Bunting Emberiza chrysophrys 1 0.21 189 Reed Bunting Emberiza schoeniclus 439 93.60