Bob Humphrey: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 208 of 208 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 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 Garganey Spatula querquedula 282 60.13 14 Shoveler Spatula clypeata 444 94.67 15 Gadwall Mareca strepera 442 94.24 16 Wigeon Mareca penelope 442 94.24 17 Mallard Anas platyrhynchos 461 98.29 18 Pintail Anas acuta 390 83.16 19 Teal Anas crecca 445 94.88 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 Grey Partridge Perdix perdix 294 62.69 33 Pheasant Phasianus colchicus 454 96.80 34 Red-legged Partridge Alectoris rufa 400 85.29 35 Nightjar Caprimulgus europaeus 205 43.71 36 Swift Apus apus 430 91.68 37 Cuckoo Cuculus canorus 382 81.45 38 Rock Dove (Feral Pigeon) Columba livia 403 85.93 39 Stock Dove Columba oenas 416 88.70 40 Woodpigeon Columba palumbus 463 98.72 41 Collared Dove Streptopelia decaocto 453 96.59 42 Moorhen Gallinula chloropus 458 97.65 43 Coot Fulica atra 456 97.23 44 Crane Grus grus 199 42.43 45 Little Grebe Tachybaptus ruficollis 443 94.46 46 Great Crested Grebe Podiceps cristatus 447 95.31 47 Slavonian Grebe Podiceps auritus 235 50.11 48 Stone-curlew Burhinus oedicnemus 168 35.82 49 Oystercatcher Haematopus ostralegus 448 95.52 50 Avocet Recurvirostra avosetta 394 84.01 51 Grey Plover Pluvialis squatarola 343 73.13 52 Golden Plover Pluvialis apricaria 389 82.94 53 Pacific Golden Plover Pluvialis fulva 133 28.36 54 Ringed Plover Charadrius hiaticula 399 85.07 55 Little Ringed Plover Charadrius dubius 360 76.76 56 Lapwing Vanellus vanellus 453 96.59 57 Eurasian Whimbrel Numenius phaeopus 349 74.41 58 Curlew Numenius arquata 436 92.96 59 Bar-tailed Godwit Limosa lapponica 368 78.46 60 Black-tailed Godwit Limosa limosa 411 87.63 61 Jack Snipe Lymnocryptes minimus 232 49.47 62 Woodcock Scolopax rusticola 291 62.05 63 Snipe Gallinago gallinago 413 88.06 64 Common Sandpiper Actitis hypoleucos 397 84.65 65 Green Sandpiper Tringa ochropus 351 74.84 66 Wood Sandpiper Tringa glareola 270 57.57 67 Redshank Tringa totanus 434 92.54 68 Spotted Redshank Tringa erythropus 331 70.58 69 Greenshank Tringa nebularia 382 81.45 70 Turnstone Arenaria interpres 411 87.63 71 Knot Calidris canutus 349 74.41 72 Ruff Calidris pugnax 369 78.68 73 Curlew Sandpiper Calidris ferruginea 259 55.22 74 Sanderling Calidris alba 369 78.68 75 Dunlin Calidris alpina 418 89.13 76 Purple Sandpiper Calidris maritima 265 56.50 77 Little Stint Calidris minuta 290 61.83 78 Semipalmated Sandpiper Calidris pusilla 38 8.10 79 Little Tern Sternula albifrons 286 60.98 80 Arctic Tern Sterna paradisaea 290 61.83 81 Common Tern Sterna hirundo 407 86.78 82 Sandwich Tern Thalasseus sandvicensis 372 79.32 83 Little Gull Hydrocoloeus minutus 281 59.91 84 Kittiwake Rissa tridactyla 382 81.45 85 Black-headed Gull Chroicocephalus ridibundus 460 98.08 86 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 87 Common Gull Larus canus 418 89.13 88 Herring Gull Larus argentatus 457 97.44 89 Great Black-backed Gull Larus marinus 433 92.32 90 Lesser Black-backed Gull Larus fuscus 448 95.52 91 Black Guillemot Cepphus grylle 206 43.92 92 Razorbill Alca torda 377 80.38 93 Common Guillemot Uria aalge 387 82.52 94 Red-throated Diver Gavia stellata 330 70.36 95 Great Northern Diver Gavia immer 287 61.19 96 White-billed Diver Gavia adamsii 48 10.23 97 Fulmar Fulmarus glacialis 389 82.94 98 Black Stork Ciconia nigra 82 17.48 99 Gannet Morus bassanus 405 86.35 100 Cormorant Phalacrocorax carbo 457 97.44 101 Shag Gulosus aristotelis 370 78.89 102 Glossy Ibis Plegadis falcinellus 213 45.42 103 Spoonbill Platalea leucorodia 335 71.43 104 Bittern Botaurus stellaris 294 62.69 105 Little Egret Egretta garzetta 444 94.67 106 Cattle Egret Bubulcus ibis 300 63.97 107 Great White Egret Ardea alba 387 82.52 108 Grey Heron Ardea cinerea 454 96.80 109 Osprey Pandion haliaetus 294 62.69 110 Sparrowhawk Accipiter nisus 443 94.46 111 Marsh Harrier Circus aeruginosus 406 86.57 112 Hen Harrier Circus cyaneus 227 48.40 113 Red Kite Milvus milvus 434 92.54 114 Buzzard Buteo buteo 457 97.44 115 Barn Owl Tyto alba 371 79.10 116 Little Owl Athene noctua 281 59.91 117 Tawny Owl Strix aluco 364 77.61 118 Roller Coracias garrulus 113 24.09 119 Kingfisher Alcedo atthis 410 87.42 120 Great Spotted Woodpecker Dendrocopos major 443 94.46 121 Green Woodpecker Picus viridis 395 84.22 122 Kestrel Falco tinnunculus 453 96.59 123 Merlin Falco columbarius 275 58.64 124 Hobby Falco subbuteo 347 73.99 125 Peregrine Falco peregrinus 421 89.77 126 Red-eyed Vireo Vireo olivaceus 26 5.54 127 Great Grey Shrike Lanius excubitor 67 14.29 128 Woodchat Shrike Lanius senator 99 21.11 129 Red-backed Shrike Lanius collurio 122 26.01 130 Jay Garrulus glandarius 447 95.31 131 Magpie Pica pica 460 98.08 132 Jackdaw Coloeus monedula 459 97.87 133 Rook Corvus frugilegus 453 96.59 134 Carrion Crow Corvus corone 460 98.08 135 Hooded Crow Corvus cornix 193 41.15 136 Raven Corvus corax 415 88.49 137 Coal Tit Periparus ater 446 95.10 138 Marsh Tit Poecile palustris 318 67.80 139 Blue Tit Cyanistes caeruleus 463 98.72 140 Great Tit Parus major 461 98.29 141 Bearded Tit Panurus biarmicus 299 63.75 142 Woodlark Lullula arborea 210 44.78 143 Skylark Alauda arvensis 440 93.82 144 Shore Lark Eremophila alpestris 122 26.01 145 Sand Martin Riparia riparia 426 90.83 146 Swallow Hirundo rustica 437 93.18 147 House Martin Delichon urbicum 432 92.11 148 Cetti's Warbler Cettia cetti 387 82.52 149 Long-tailed Tit Aegithalos caudatus 453 96.59 150 Western Bonelli's Warbler Phylloscopus bonelli 38 8.10 151 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 152 Radde's Warbler Phylloscopus schwarzi 21 4.48 153 Willow Warbler Phylloscopus trochilus 415 88.49 154 Chiffchaff Phylloscopus collybita 441 94.03 155 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 156 Reed Warbler Acrocephalus scirpaceus 399 85.07 157 Blackcap Sylvia atricapilla 437 93.18 158 Garden Warbler Sylvia borin 343 73.13 159 Lesser Whitethroat Curruca curruca 332 70.79 160 Whitethroat Curruca communis 421 89.77 161 Dartford Warbler Curruca undata 184 39.23 162 Firecrest Regulus ignicapilla 198 42.22 163 Goldcrest Regulus regulus 427 91.04 164 Wren Troglodytes troglodytes 458 97.65 165 Nuthatch Sitta europaea 431 91.90 166 Treecreeper Certhia familiaris 420 89.55 167 Starling Sturnus vulgaris 458 97.65 168 Song Thrush Turdus philomelos 454 96.80 169 Mistle Thrush Turdus viscivorus 437 93.18 170 Redwing Turdus iliacus 443 94.46 171 Blackbird Turdus merula 462 98.51 172 Fieldfare Turdus pilaris 422 89.98 173 Ring Ouzel Turdus torquatus 261 55.65 174 Spotted Flycatcher Muscicapa striata 330 70.36 175 Robin Erithacus rubecula 462 98.51 176 Nightingale Luscinia megarhynchos 158 33.69 177 Red-breasted Flycatcher Ficedula parva 68 14.50 178 Pied Flycatcher Ficedula hypoleuca 286 60.98 179 Stonechat Saxicola rubicola 432 92.11 180 Wheatear Oenanthe oenanthe 409 87.21 181 Isabelline Wheatear Oenanthe isabellina 25 5.33 182 Tree Sparrow Passer montanus 328 69.94 183 House Sparrow Passer domesticus 458 97.65 184 Dunnock Prunella modularis 462 98.51 185 Yellow Wagtail Motacilla flava 368 78.46 186 Eastern Yellow Wagtail Motacilla tschutschensis 23 4.90 187 Grey Wagtail Motacilla cinerea 440 93.82 188 Pied Wagtail Motacilla alba 460 98.08 189 Meadow Pipit Anthus pratensis 434 92.54 190 Tree Pipit Anthus trivialis 307 65.46 191 Olive-backed Pipit Anthus hodgsoni 28 5.97 192 Rock Pipit Anthus petrosus 372 79.32 193 Chaffinch Fringilla coelebs 457 97.44 194 Brambling Fringilla montifringilla 310 66.10 195 Hawfinch Coccothraustes coccothraustes 170 36.25 196 Bullfinch Pyrrhula pyrrhula 429 91.47 197 Common Rosefinch Carpodacus erythrinus 69 14.71 198 Greenfinch Chloris chloris 453 96.59 199 Twite Linaria flavirostris 178 37.95 200 Linnet Linaria cannabina 437 93.18 201 Goldfinch Carduelis carduelis 454 96.80 202 Siskin Spinus spinus 414 88.27 203 Snow Bunting Plectrophenax nivalis 254 54.16 204 Corn Bunting Emberiza calandra 289 61.62 205 Yellowhammer Emberiza citrinella 407 86.78 206 Little Bunting Emberiza pusilla 110 23.45 207 Rustic Bunting Emberiza rustica 54 11.51 208 Reed Bunting Emberiza schoeniclus 439 93.60