Mike Wheeler: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 211 of 211 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 Bewick's Swan Cygnus columbianus 135 28.78 8 Whooper Swan Cygnus cygnus 310 66.10 9 Egyptian Goose Alopochen aegyptiaca 370 78.89 10 Shelduck Tadorna tadorna 441 94.03 11 Mandarin Duck Aix galericulata 310 66.10 12 Garganey Spatula querquedula 282 60.13 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 Eider Somateria mollissima 333 71.00 22 Common Scoter Melanitta nigra 347 73.99 23 Goldeneye Bucephala clangula 383 81.66 24 Goosander Mergus merganser 390 83.16 25 Red-breasted Merganser Mergus serrator 324 69.08 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 Swift Apus apus 430 91.68 30 Cuckoo Cuculus canorus 382 81.45 31 Rock Dove (Feral Pigeon) Columba livia 403 85.93 32 Stock Dove Columba oenas 416 88.70 33 Woodpigeon Columba palumbus 463 98.72 34 Collared Dove Streptopelia decaocto 453 96.59 35 Water Rail Rallus aquaticus 353 75.27 36 Corncrake Crex crex 26 5.54 37 Moorhen Gallinula chloropus 458 97.65 38 Coot Fulica atra 456 97.23 39 Crane Grus grus 199 42.43 40 Little Grebe Tachybaptus ruficollis 443 94.46 41 Great Crested Grebe Podiceps cristatus 447 95.31 42 Black-necked Grebe Podiceps nigricollis 255 54.37 43 Stone-curlew Burhinus oedicnemus 168 35.82 44 Oystercatcher Haematopus ostralegus 448 95.52 45 Avocet Recurvirostra avosetta 394 84.01 46 Grey Plover Pluvialis squatarola 343 73.13 47 Golden Plover Pluvialis apricaria 389 82.94 48 Pacific Golden Plover Pluvialis fulva 133 28.36 49 Ringed Plover Charadrius hiaticula 399 85.07 50 Little Ringed Plover Charadrius dubius 360 76.76 51 Lapwing Vanellus vanellus 453 96.59 52 White-tailed Plover Vanellus leucurus 200 42.64 53 Eurasian Whimbrel Numenius phaeopus 349 74.41 54 Curlew Numenius arquata 436 92.96 55 Bar-tailed Godwit Limosa lapponica 368 78.46 56 Black-tailed Godwit Limosa limosa 411 87.63 57 Snipe Gallinago gallinago 413 88.06 58 Grey Phalarope Phalaropus fulicarius 114 24.31 59 Common Sandpiper Actitis hypoleucos 397 84.65 60 Green Sandpiper Tringa ochropus 351 74.84 61 Wood Sandpiper Tringa glareola 270 57.57 62 Redshank Tringa totanus 434 92.54 63 Lesser Yellowlegs Tringa flavipes 45 9.59 64 Spotted Redshank Tringa erythropus 331 70.58 65 Greenshank Tringa nebularia 382 81.45 66 Turnstone Arenaria interpres 411 87.63 67 Knot Calidris canutus 349 74.41 68 Ruff Calidris pugnax 369 78.68 69 Curlew Sandpiper Calidris ferruginea 259 55.22 70 Sanderling Calidris alba 369 78.68 71 Dunlin Calidris alpina 418 89.13 72 Purple Sandpiper Calidris maritima 265 56.50 73 Little Stint Calidris minuta 290 61.83 74 Little Tern Sternula albifrons 286 60.98 75 Black Tern Chlidonias niger 167 35.61 76 Arctic Tern Sterna paradisaea 290 61.83 77 Common Tern Sterna hirundo 407 86.78 78 Sandwich Tern Thalasseus sandvicensis 372 79.32 79 Little Gull Hydrocoloeus minutus 281 59.91 80 Kittiwake Rissa tridactyla 382 81.45 81 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 82 Black-headed Gull Chroicocephalus ridibundus 460 98.08 83 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 84 Common Gull Larus canus 418 89.13 85 Herring Gull Larus argentatus 457 97.44 86 Yellow-legged Gull Larus michahellis 226 48.19 87 Great Black-backed Gull Larus marinus 433 92.32 88 Lesser Black-backed Gull Larus fuscus 448 95.52 89 Arctic Skua Stercorarius parasiticus 204 43.50 90 Great Skua Stercorarius skua 216 46.06 91 Puffin Fratercula arctica 305 65.03 92 Black Guillemot Cepphus grylle 206 43.92 93 Razorbill Alca torda 377 80.38 94 Brunnich's Guillemot Uria lomvia 16 3.41 95 Common Guillemot Uria aalge 387 82.52 96 Red-throated Diver Gavia stellata 330 70.36 97 Great Northern Diver Gavia immer 287 61.19 98 Wilson's Petrel Oceanites oceanicus 16 3.41 99 Black-browed Albatross Thalassarche melanophris 200 42.64 100 Storm Petrel Hydrobates pelagicus 79 16.84 101 Fulmar Fulmarus glacialis 389 82.94 102 Sooty Shearwater Ardenna grisea 126 26.87 103 Manx Shearwater Puffinus puffinus 246 52.45 104 Balearic Shearwater Puffinus mauretanicus 94 20.04 105 Black Stork Ciconia nigra 82 17.48 106 Gannet Morus bassanus 405 86.35 107 Cormorant Phalacrocorax carbo 457 97.44 108 Shag Gulosus aristotelis 370 78.89 109 Glossy Ibis Plegadis falcinellus 213 45.42 110 Spoonbill Platalea leucorodia 335 71.43 111 Bittern Botaurus stellaris 294 62.69 112 Little Egret Egretta garzetta 444 94.67 113 Cattle Egret Bubulcus ibis 300 63.97 114 Great White Egret Ardea alba 387 82.52 115 Grey Heron Ardea cinerea 454 96.80 116 Sparrowhawk Accipiter nisus 443 94.46 117 Goshawk Accipiter gentilis 195 41.58 118 Marsh Harrier Circus aeruginosus 406 86.57 119 Hen Harrier Circus cyaneus 227 48.40 120 Red Kite Milvus milvus 434 92.54 121 Buzzard Buteo buteo 457 97.44 122 Barn Owl Tyto alba 371 79.10 123 Short-eared Owl Asio flammeus 262 55.86 124 Tawny Owl Strix aluco 364 77.61 125 Kingfisher Alcedo atthis 410 87.42 126 Belted Kingfisher Megaceryle alcyon 93 19.83 127 Lesser Spotted Woodpecker Dryobates minor 117 24.95 128 Great Spotted Woodpecker Dendrocopos major 443 94.46 129 Green Woodpecker Picus viridis 395 84.22 130 Kestrel Falco tinnunculus 453 96.59 131 Merlin Falco columbarius 275 58.64 132 Hobby Falco subbuteo 347 73.99 133 Peregrine Falco peregrinus 421 89.77 134 Ring-necked Parakeet Psittacula krameri 290 61.83 135 Golden Oriole Oriolus oriolus 57 12.15 136 Jay Garrulus glandarius 447 95.31 137 Magpie Pica pica 460 98.08 138 Jackdaw Coloeus monedula 459 97.87 139 Rook Corvus frugilegus 453 96.59 140 Carrion Crow Corvus corone 460 98.08 141 Hooded Crow Corvus cornix 193 41.15 142 Raven Corvus corax 415 88.49 143 Coal Tit Periparus ater 446 95.10 144 Marsh Tit Poecile palustris 318 67.80 145 Willow Tit Poecile montanus 179 38.17 146 Blue Tit Cyanistes caeruleus 463 98.72 147 Great Tit Parus major 461 98.29 148 Bearded Tit Panurus biarmicus 299 63.75 149 Skylark Alauda arvensis 440 93.82 150 Shore Lark Eremophila alpestris 122 26.01 151 Sand Martin Riparia riparia 426 90.83 152 Swallow Hirundo rustica 437 93.18 153 House Martin Delichon urbicum 432 92.11 154 Cetti's Warbler Cettia cetti 387 82.52 155 Long-tailed Tit Aegithalos caudatus 453 96.59 156 Wood Warbler Phylloscopus sibilatrix 179 38.17 157 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 158 Willow Warbler Phylloscopus trochilus 415 88.49 159 Chiffchaff Phylloscopus collybita 441 94.03 160 Green Warbler Phylloscopus nitidus 91 19.40 161 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 162 Reed Warbler Acrocephalus scirpaceus 399 85.07 163 Melodious Warbler Hippolais polyglotta 32 6.82 164 River Warbler Locustella fluviatilis 128 27.29 165 Grasshopper Warbler Locustella naevia 264 56.29 166 Blackcap Sylvia atricapilla 437 93.18 167 Garden Warbler Sylvia borin 343 73.13 168 Lesser Whitethroat Curruca curruca 332 70.79 169 Whitethroat Curruca communis 421 89.77 170 Goldcrest Regulus regulus 427 91.04 171 Wren Troglodytes troglodytes 458 97.65 172 Nuthatch Sitta europaea 431 91.90 173 Treecreeper Certhia familiaris 420 89.55 174 Starling Sturnus vulgaris 458 97.65 175 Song Thrush Turdus philomelos 454 96.80 176 Mistle Thrush Turdus viscivorus 437 93.18 177 Redwing Turdus iliacus 443 94.46 178 Blackbird Turdus merula 462 98.51 179 Fieldfare Turdus pilaris 422 89.98 180 Spotted Flycatcher Muscicapa striata 330 70.36 181 Robin Erithacus rubecula 462 98.51 182 Nightingale Luscinia megarhynchos 158 33.69 183 Pied Flycatcher Ficedula hypoleuca 286 60.98 184 Redstart Phoenicurus phoenicurus 335 71.43 185 Whinchat Saxicola rubetra 302 64.39 186 Stonechat Saxicola rubicola 432 92.11 187 Wheatear Oenanthe oenanthe 409 87.21 188 Dipper Cinclus cinclus 289 61.62 189 Tree Sparrow Passer montanus 328 69.94 190 House Sparrow Passer domesticus 458 97.65 191 Dunnock Prunella modularis 462 98.51 192 Yellow Wagtail Motacilla flava 368 78.46 193 Grey Wagtail Motacilla cinerea 440 93.82 194 Pied Wagtail Motacilla alba 460 98.08 195 Meadow Pipit Anthus pratensis 434 92.54 196 Tree Pipit Anthus trivialis 307 65.46 197 Rock Pipit Anthus petrosus 372 79.32 198 Chaffinch Fringilla coelebs 457 97.44 199 Brambling Fringilla montifringilla 310 66.10 200 Hawfinch Coccothraustes coccothraustes 170 36.25 201 Bullfinch Pyrrhula pyrrhula 429 91.47 202 Greenfinch Chloris chloris 453 96.59 203 Twite Linaria flavirostris 178 37.95 204 Linnet Linaria cannabina 437 93.18 205 Lesser Redpoll Acanthis cabaret 341 72.71 206 Goldfinch Carduelis carduelis 454 96.80 207 Siskin Spinus spinus 414 88.27 208 Snow Bunting Plectrophenax nivalis 254 54.16 209 Corn Bunting Emberiza calandra 289 61.62 210 Yellowhammer Emberiza citrinella 407 86.78 211 Reed Bunting Emberiza schoeniclus 439 93.60