Stephen Bacon: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 250 of 250 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 Tundra Bean Goose Anser serrirostris 83 17.70 7 White-fronted Goose Anser albifrons 238 50.75 8 Mute Swan Cygnus olor 461 98.29 9 Bewick's Swan Cygnus columbianus 135 28.78 10 Whooper Swan Cygnus cygnus 310 66.10 11 Egyptian Goose Alopochen aegyptiaca 370 78.89 12 Shelduck Tadorna tadorna 441 94.03 13 Mandarin Duck Aix galericulata 310 66.10 14 Garganey Spatula querquedula 282 60.13 15 Shoveler Spatula clypeata 444 94.67 16 Gadwall Mareca strepera 442 94.24 17 Wigeon Mareca penelope 442 94.24 18 Mallard Anas platyrhynchos 461 98.29 19 Pintail Anas acuta 390 83.16 20 Teal Anas crecca 445 94.88 21 Red-crested Pochard Netta rufina 170 36.25 22 Pochard Aythya ferina 426 90.83 23 Ring-necked Duck Aythya collaris 190 40.51 24 Tufted Duck Aythya fuligula 457 97.44 25 Scaup Aythya marila 244 52.03 26 King Eider Somateria spectabilis 57 12.15 27 Eider Somateria mollissima 333 71.00 28 Velvet Scoter Melanitta fusca 171 36.46 29 Common Scoter Melanitta nigra 347 73.99 30 Long-tailed Duck Clangula hyemalis 205 43.71 31 Goldeneye Bucephala clangula 383 81.66 32 Smew Mergellus albellus 159 33.90 33 Goosander Mergus merganser 390 83.16 34 Red-breasted Merganser Mergus serrator 324 69.08 35 Red Grouse Lagopus lagopus 209 44.56 36 Capercaillie Tetrao urogallus 18 3.84 37 Grey Partridge Perdix perdix 294 62.69 38 Pheasant Phasianus colchicus 454 96.80 39 Quail Coturnix coturnix 87 18.55 40 Red-legged Partridge Alectoris rufa 400 85.29 41 Nightjar Caprimulgus europaeus 205 43.71 42 Swift Apus apus 430 91.68 43 Cuckoo Cuculus canorus 382 81.45 44 Rock Dove (Feral Pigeon) Columba livia 403 85.93 45 Stock Dove Columba oenas 416 88.70 46 Woodpigeon Columba palumbus 463 98.72 47 Collared Dove Streptopelia decaocto 453 96.59 48 Water Rail Rallus aquaticus 353 75.27 49 Moorhen Gallinula chloropus 458 97.65 50 Coot Fulica atra 456 97.23 51 Crane Grus grus 199 42.43 52 Little Grebe Tachybaptus ruficollis 443 94.46 53 Great Crested Grebe Podiceps cristatus 447 95.31 54 Slavonian Grebe Podiceps auritus 235 50.11 55 Black-necked Grebe Podiceps nigricollis 255 54.37 56 Stone-curlew Burhinus oedicnemus 168 35.82 57 Oystercatcher Haematopus ostralegus 448 95.52 58 Avocet Recurvirostra avosetta 394 84.01 59 Grey Plover Pluvialis squatarola 343 73.13 60 Golden Plover Pluvialis apricaria 389 82.94 61 Pacific Golden Plover Pluvialis fulva 133 28.36 62 American Golden Plover Pluvialis dominica 73 15.57 63 Ringed Plover Charadrius hiaticula 399 85.07 64 Lapwing Vanellus vanellus 453 96.59 65 White-tailed Plover Vanellus leucurus 200 42.64 66 Eurasian Whimbrel Numenius phaeopus 349 74.41 67 Curlew Numenius arquata 436 92.96 68 Bar-tailed Godwit Limosa lapponica 368 78.46 69 Black-tailed Godwit Limosa limosa 411 87.63 70 Jack Snipe Lymnocryptes minimus 232 49.47 71 Woodcock Scolopax rusticola 291 62.05 72 Snipe Gallinago gallinago 413 88.06 73 Common Sandpiper Actitis hypoleucos 397 84.65 74 Green Sandpiper Tringa ochropus 351 74.84 75 Wood Sandpiper Tringa glareola 270 57.57 76 Redshank Tringa totanus 434 92.54 77 Spotted Redshank Tringa erythropus 331 70.58 78 Greenshank Tringa nebularia 382 81.45 79 Turnstone Arenaria interpres 411 87.63 80 Knot Calidris canutus 349 74.41 81 Ruff Calidris pugnax 369 78.68 82 Curlew Sandpiper Calidris ferruginea 260 55.44 83 Temminck's Stint Calidris temminckii 89 18.98 84 Red-necked Stint Calidris ruficollis 58 12.37 85 Sanderling Calidris alba 369 78.68 86 Dunlin Calidris alpina 418 89.13 87 Purple Sandpiper Calidris maritima 265 56.50 88 Little Stint Calidris minuta 290 61.83 89 Semipalmated Sandpiper Calidris pusilla 38 8.10 90 Collared Pratincole Glareola pratincola 60 12.79 91 Little Tern Sternula albifrons 286 60.98 92 Black Tern Chlidonias niger 167 35.61 93 Arctic Tern Sterna paradisaea 290 61.83 94 Common Tern Sterna hirundo 407 86.78 95 Sandwich Tern Thalasseus sandvicensis 372 79.32 96 Little Gull Hydrocoloeus minutus 281 59.91 97 Kittiwake Rissa tridactyla 382 81.45 98 Black-headed Gull Chroicocephalus ridibundus 460 98.08 99 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 100 Common Gull Larus canus 418 89.13 101 Herring Gull Larus argentatus 457 97.44 102 Yellow-legged Gull Larus michahellis 226 48.19 103 Great Black-backed Gull Larus marinus 433 92.32 104 Glaucous Gull Larus hyperboreus 88 18.76 105 Lesser Black-backed Gull Larus fuscus 448 95.52 106 American Herring Gull Larus smithsonianus 51 10.87 107 Iceland Gull Larus glaucoides 158 33.69 108 Pomarine Skua Stercorarius pomarinus 81 17.27 109 Puffin Fratercula arctica 305 65.03 110 Black Guillemot Cepphus grylle 206 43.92 111 Razorbill Alca torda 377 80.38 112 Common Guillemot Uria aalge 387 82.52 113 Red-throated Diver Gavia stellata 330 70.36 114 Black-throated Diver Gavia arctica 178 37.95 115 Great Northern Diver Gavia immer 287 61.19 116 White-billed Diver Gavia adamsii 48 10.23 117 Black-browed Albatross Thalassarche melanophris 200 42.64 118 Fulmar Fulmarus glacialis 389 82.94 119 Manx Shearwater Puffinus puffinus 246 52.45 120 Black Stork Ciconia nigra 82 17.48 121 White Stork Ciconia ciconia 64 13.65 122 Gannet Morus bassanus 405 86.35 123 Cormorant Phalacrocorax carbo 457 97.44 124 Shag Gulosus aristotelis 370 78.89 125 Glossy Ibis Plegadis falcinellus 213 45.42 126 Spoonbill Platalea leucorodia 335 71.43 127 Bittern Botaurus stellaris 294 62.69 128 Little Egret Egretta garzetta 444 94.67 129 Cattle Egret Bubulcus ibis 300 63.97 130 Great White Egret Ardea alba 387 82.52 131 Grey Heron Ardea cinerea 454 96.80 132 Osprey Pandion haliaetus 294 62.69 133 Sparrowhawk Accipiter nisus 443 94.46 134 Goshawk Accipiter gentilis 195 41.58 135 Marsh Harrier Circus aeruginosus 406 86.57 136 Hen Harrier Circus cyaneus 227 48.40 137 Red Kite Milvus milvus 434 92.54 138 Buzzard Buteo buteo 457 97.44 139 Barn Owl Tyto alba 371 79.10 140 Little Owl Athene noctua 281 59.91 141 Short-eared Owl Asio flammeus 262 55.86 142 Tawny Owl Strix aluco 364 77.61 143 Roller Coracias garrulus 113 24.09 144 Kingfisher Alcedo atthis 410 87.42 145 Wryneck Jynx torquilla 108 23.03 146 Lesser Spotted Woodpecker Dryobates minor 117 24.95 147 Great Spotted Woodpecker Dendrocopos major 443 94.46 148 Green Woodpecker Picus viridis 395 84.22 149 Kestrel Falco tinnunculus 453 96.59 150 Merlin Falco columbarius 275 58.64 151 Hobby Falco subbuteo 347 73.99 152 Peregrine Falco peregrinus 421 89.77 153 Ring-necked Parakeet Psittacula krameri 290 61.83 154 Red-eyed Vireo Vireo olivaceus 26 5.54 155 Woodchat Shrike Lanius senator 99 21.11 156 Red-backed Shrike Lanius collurio 122 26.01 157 Jay Garrulus glandarius 447 95.31 158 Magpie Pica pica 460 98.08 159 Chough Pyrrhocorax pyrrhocorax 194 41.36 160 Jackdaw Coloeus monedula 459 97.87 161 Rook Corvus frugilegus 453 96.59 162 Carrion Crow Corvus corone 460 98.08 163 Hooded Crow Corvus cornix 193 41.15 164 Raven Corvus corax 415 88.49 165 Coal Tit Periparus ater 446 95.10 166 Marsh Tit Poecile palustris 318 67.80 167 Blue Tit Cyanistes caeruleus 463 98.72 168 Great Tit Parus major 461 98.29 169 Bearded Tit Panurus biarmicus 299 63.75 170 Woodlark Lullula arborea 210 44.78 171 Skylark Alauda arvensis 440 93.82 172 Shore Lark Eremophila alpestris 122 26.01 173 Sand Martin Riparia riparia 426 90.83 174 Swallow Hirundo rustica 437 93.18 175 House Martin Delichon urbicum 432 92.11 176 Cetti's Warbler Cettia cetti 387 82.52 177 Long-tailed Tit Aegithalos caudatus 453 96.59 178 Western Bonelli's Warbler Phylloscopus bonelli 38 8.10 179 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 180 Radde's Warbler Phylloscopus schwarzi 21 4.48 181 Willow Warbler Phylloscopus trochilus 415 88.49 182 Chiffchaff Phylloscopus collybita 441 94.03 183 Green Warbler Phylloscopus nitidus 91 19.40 184 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 185 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 186 Reed Warbler Acrocephalus scirpaceus 399 85.07 187 River Warbler Locustella fluviatilis 128 27.29 188 Grasshopper Warbler Locustella naevia 264 56.29 189 Blackcap Sylvia atricapilla 437 93.18 190 Garden Warbler Sylvia borin 343 73.13 191 Barred Warbler Curruca nisoria 63 13.43 192 Lesser Whitethroat Curruca curruca 332 70.79 193 Whitethroat Curruca communis 421 89.77 194 Dartford Warbler Curruca undata 184 39.23 195 Firecrest Regulus ignicapilla 198 42.22 196 Goldcrest Regulus regulus 427 91.04 197 Wren Troglodytes troglodytes 458 97.65 198 Nuthatch Sitta europaea 431 91.90 199 Treecreeper Certhia familiaris 420 89.55 200 Northern Mockingbird Mimus polyglottos 132 28.14 201 Starling Sturnus vulgaris 458 97.65 202 Song Thrush Turdus philomelos 454 96.80 203 Mistle Thrush Turdus viscivorus 437 93.18 204 Redwing Turdus iliacus 443 94.46 205 Blackbird Turdus merula 462 98.51 206 Fieldfare Turdus pilaris 422 89.98 207 Ring Ouzel Turdus torquatus 261 55.65 208 Spotted Flycatcher Muscicapa striata 330 70.36 209 Robin Erithacus rubecula 462 98.51 210 Nightingale Luscinia megarhynchos 158 33.69 211 Bluethroat Luscinia svecica 83 17.70 212 Red-breasted Flycatcher Ficedula parva 68 14.50 213 Pied Flycatcher Ficedula hypoleuca 286 60.98 214 Black Redstart Phoenicurus ochruros 230 49.04 215 Redstart Phoenicurus phoenicurus 335 71.43 216 Whinchat Saxicola rubetra 302 64.39 217 Stonechat Saxicola rubicola 432 92.11 218 Wheatear Oenanthe oenanthe 409 87.21 219 Dipper Cinclus cinclus 289 61.62 220 Tree Sparrow Passer montanus 328 69.94 221 House Sparrow Passer domesticus 458 97.65 222 Dunnock Prunella modularis 462 98.51 223 Yellow Wagtail Motacilla flava 368 78.46 224 Grey Wagtail Motacilla cinerea 440 93.82 225 Pied Wagtail Motacilla alba 460 98.08 226 Meadow Pipit Anthus pratensis 434 92.54 227 Tree Pipit Anthus trivialis 307 65.46 228 Olive-backed Pipit Anthus hodgsoni 28 5.97 229 Water Pipit Anthus spinoletta 155 33.05 230 Rock Pipit Anthus petrosus 372 79.32 231 Chaffinch Fringilla coelebs 457 97.44 232 Brambling Fringilla montifringilla 310 66.10 233 Hawfinch Coccothraustes coccothraustes 170 36.25 234 Bullfinch Pyrrhula pyrrhula 429 91.47 235 Common Rosefinch Carpodacus erythrinus 69 14.71 236 Greenfinch Chloris chloris 453 96.59 237 Twite Linaria flavirostris 178 37.95 238 Linnet Linaria cannabina 437 93.18 239 Lesser Redpoll Acanthis cabaret 341 72.71 240 Arctic Redpoll Acanthis hornemanni 14 2.99 241 Scottish Crossbill Loxia scotica 21 4.48 242 Common Crossbill Loxia curvirostra 263 56.08 243 Goldfinch Carduelis carduelis 454 96.80 244 Siskin Spinus spinus 414 88.27 245 Corn Bunting Emberiza calandra 289 61.62 246 Yellowhammer Emberiza citrinella 407 86.78 247 Little Bunting Emberiza pusilla 110 23.45 248 Rustic Bunting Emberiza rustica 54 11.51 249 Reed Bunting Emberiza schoeniclus 439 93.60 250 White-throated Sparrow Zonotrichia albicollis 63 13.43