Tom Hibbert: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 217 of 217 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 Egyptian Goose Alopochen aegyptiaca 370 78.89 9 Shelduck Tadorna tadorna 441 94.03 10 Mandarin Duck Aix galericulata 310 66.10 11 Garganey Spatula querquedula 282 60.13 12 Shoveler Spatula clypeata 444 94.67 13 Gadwall Mareca strepera 442 94.24 14 Wigeon Mareca penelope 442 94.24 15 Mallard Anas platyrhynchos 461 98.29 16 Pintail Anas acuta 390 83.16 17 Teal Anas crecca 445 94.88 18 Red-crested Pochard Netta rufina 170 36.25 19 Pochard Aythya ferina 426 90.83 20 Ring-necked Duck Aythya collaris 190 40.51 21 Tufted Duck Aythya fuligula 457 97.44 22 Scaup Aythya marila 244 52.03 23 Eider Somateria mollissima 333 71.00 24 Velvet Scoter Melanitta fusca 171 36.46 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 Turtle Dove Streptopelia turtur 172 36.67 42 Collared Dove Streptopelia decaocto 453 96.59 43 Water Rail Rallus aquaticus 353 75.27 44 Moorhen Gallinula chloropus 458 97.65 45 Coot Fulica atra 456 97.23 46 Little Grebe Tachybaptus ruficollis 443 94.46 47 Red-necked Grebe Podiceps grisegena 141 30.06 48 Great Crested Grebe Podiceps cristatus 447 95.31 49 Slavonian Grebe Podiceps auritus 235 50.11 50 Black-necked Grebe Podiceps nigricollis 255 54.37 51 Stone-curlew Burhinus oedicnemus 168 35.82 52 Oystercatcher Haematopus ostralegus 448 95.52 53 Black-winged Stilt Himantopus himantopus 82 17.48 54 Avocet Recurvirostra avosetta 394 84.01 55 Grey Plover Pluvialis squatarola 343 73.13 56 Golden Plover Pluvialis apricaria 389 82.94 57 Pacific Golden Plover Pluvialis fulva 133 28.36 58 Ringed Plover Charadrius hiaticula 399 85.07 59 Little Ringed Plover Charadrius dubius 360 76.76 60 Lapwing Vanellus vanellus 453 96.59 61 White-tailed Plover Vanellus leucurus 200 42.64 62 Curlew Numenius arquata 436 92.96 63 Bar-tailed Godwit Limosa lapponica 368 78.46 64 Black-tailed Godwit Limosa limosa 411 87.63 65 Jack Snipe Lymnocryptes minimus 232 49.47 66 Woodcock Scolopax rusticola 291 62.05 67 Snipe Gallinago gallinago 413 88.06 68 Common Sandpiper Actitis hypoleucos 397 84.65 69 Green Sandpiper Tringa ochropus 351 74.84 70 Wood Sandpiper Tringa glareola 270 57.57 71 Redshank Tringa totanus 434 92.54 72 Spotted Redshank Tringa erythropus 331 70.58 73 Greenshank Tringa nebularia 382 81.45 74 Turnstone Arenaria interpres 411 87.63 75 Knot Calidris canutus 349 74.41 76 Ruff Calidris pugnax 369 78.68 77 Curlew Sandpiper Calidris ferruginea 259 55.22 78 Long-toed Stint Calidris subminuta 128 27.29 79 Sanderling Calidris alba 369 78.68 80 Dunlin Calidris alpina 418 89.13 81 Purple Sandpiper Calidris maritima 265 56.50 82 Little Stint Calidris minuta 290 61.83 83 Collared Pratincole Glareola pratincola 60 12.79 84 Arctic Tern Sterna paradisaea 290 61.83 85 Common Tern Sterna hirundo 407 86.78 86 Sandwich Tern Thalasseus sandvicensis 372 79.32 87 Little Gull Hydrocoloeus minutus 281 59.91 88 Kittiwake Rissa tridactyla 382 81.45 89 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 90 Black-headed Gull Chroicocephalus ridibundus 460 98.08 91 Franklin's Gull Leucophaeus pipixcan 33 7.04 92 Common Gull Larus canus 418 89.13 93 Herring Gull Larus argentatus 457 97.44 94 Great Black-backed Gull Larus marinus 433 92.32 95 Glaucous Gull Larus hyperboreus 88 18.76 96 Lesser Black-backed Gull Larus fuscus 448 95.52 97 Iceland Gull Larus glaucoides 158 33.69 98 Arctic Skua Stercorarius parasiticus 204 43.50 99 Great Skua Stercorarius skua 216 46.06 100 Puffin Fratercula arctica 305 65.03 101 Razorbill Alca torda 377 80.38 102 Little Auk Alle alle 98 20.90 103 Common Guillemot Uria aalge 387 82.52 104 Red-throated Diver Gavia stellata 330 70.36 105 Black-throated Diver Gavia arctica 178 37.95 106 Great Northern Diver Gavia immer 287 61.19 107 White-billed Diver Gavia adamsii 48 10.23 108 Black-browed Albatross Thalassarche melanophris 200 42.64 109 Fulmar Fulmarus glacialis 389 82.94 110 Sooty Shearwater Ardenna grisea 126 26.87 111 Great Shearwater Ardenna gravis 38 8.10 112 Manx Shearwater Puffinus puffinus 246 52.45 113 Black Stork Ciconia nigra 82 17.48 114 Gannet Morus bassanus 405 86.35 115 Cormorant Phalacrocorax carbo 457 97.44 116 Shag Gulosus aristotelis 370 78.89 117 Spoonbill Platalea leucorodia 335 71.43 118 Bittern Botaurus stellaris 294 62.69 119 Little Egret Egretta garzetta 444 94.67 120 Great White Egret Ardea alba 387 82.52 121 Grey Heron Ardea cinerea 454 96.80 122 Osprey Pandion haliaetus 294 62.69 123 Sparrowhawk Accipiter nisus 443 94.46 124 Goshawk Accipiter gentilis 195 41.58 125 Marsh Harrier Circus aeruginosus 406 86.57 126 Red Kite Milvus milvus 434 92.54 127 Buzzard Buteo buteo 457 97.44 128 Barn Owl Tyto alba 371 79.10 129 Little Owl Athene noctua 281 59.91 130 Long-eared Owl Asio otus 113 24.09 131 Short-eared Owl Asio flammeus 262 55.86 132 Tawny Owl Strix aluco 364 77.61 133 Roller Coracias garrulus 113 24.09 134 Kingfisher Alcedo atthis 410 87.42 135 Lesser Spotted Woodpecker Dryobates minor 117 24.95 136 Great Spotted Woodpecker Dendrocopos major 443 94.46 137 Green Woodpecker Picus viridis 395 84.22 138 Kestrel Falco tinnunculus 453 96.59 139 Merlin Falco columbarius 275 58.64 140 Hobby Falco subbuteo 347 73.99 141 Peregrine Falco peregrinus 421 89.77 142 Golden Oriole Oriolus oriolus 57 12.15 143 Jay Garrulus glandarius 447 95.31 144 Magpie Pica pica 460 98.08 145 Jackdaw Coloeus monedula 459 97.87 146 Rook Corvus frugilegus 453 96.59 147 Carrion Crow Corvus corone 460 98.08 148 Raven Corvus corax 415 88.49 149 Coal Tit Periparus ater 446 95.10 150 Marsh Tit Poecile palustris 318 67.80 151 Blue Tit Cyanistes caeruleus 463 98.72 152 Great Tit Parus major 461 98.29 153 Bearded Tit Panurus biarmicus 299 63.75 154 Woodlark Lullula arborea 210 44.78 155 Skylark Alauda arvensis 440 93.82 156 Sand Martin Riparia riparia 426 90.83 157 Swallow Hirundo rustica 437 93.18 158 House Martin Delichon urbicum 432 92.11 159 Cetti's Warbler Cettia cetti 387 82.52 160 Long-tailed Tit Aegithalos caudatus 453 96.59 161 Willow Warbler Phylloscopus trochilus 415 88.49 162 Chiffchaff Phylloscopus collybita 441 94.03 163 Green Warbler Phylloscopus nitidus 91 19.40 164 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 165 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 166 Reed Warbler Acrocephalus scirpaceus 399 85.07 167 River Warbler Locustella fluviatilis 128 27.29 168 Blackcap Sylvia atricapilla 437 93.18 169 Garden Warbler Sylvia borin 343 73.13 170 Lesser Whitethroat Curruca curruca 332 70.79 171 Whitethroat Curruca communis 421 89.77 172 Dartford Warbler Curruca undata 184 39.23 173 Firecrest Regulus ignicapilla 198 42.22 174 Goldcrest Regulus regulus 427 91.04 175 Wren Troglodytes troglodytes 458 97.65 176 Nuthatch Sitta europaea 431 91.90 177 Treecreeper Certhia familiaris 420 89.55 178 Starling Sturnus vulgaris 458 97.65 179 Song Thrush Turdus philomelos 454 96.80 180 Mistle Thrush Turdus viscivorus 437 93.18 181 Redwing Turdus iliacus 443 94.46 182 Blackbird Turdus merula 462 98.51 183 Fieldfare Turdus pilaris 422 89.98 184 Ring Ouzel Turdus torquatus 261 55.65 185 Spotted Flycatcher Muscicapa striata 330 70.36 186 Robin Erithacus rubecula 462 98.51 187 Nightingale Luscinia megarhynchos 158 33.69 188 Pied Flycatcher Ficedula hypoleuca 286 60.98 189 Redstart Phoenicurus phoenicurus 335 71.43 190 Whinchat Saxicola rubetra 302 64.39 191 Stonechat Saxicola rubicola 432 92.11 192 Wheatear Oenanthe oenanthe 409 87.21 193 Isabelline Wheatear Oenanthe isabellina 25 5.33 194 Dipper Cinclus cinclus 289 61.62 195 Tree Sparrow Passer montanus 328 69.94 196 House Sparrow Passer domesticus 458 97.65 197 Dunnock Prunella modularis 462 98.51 198 Yellow Wagtail Motacilla flava 368 78.46 199 Grey Wagtail Motacilla cinerea 440 93.82 200 Pied Wagtail Motacilla alba 460 98.08 201 Meadow Pipit Anthus pratensis 434 92.54 202 Tree Pipit Anthus trivialis 307 65.46 203 Rock Pipit Anthus petrosus 372 79.32 204 Chaffinch Fringilla coelebs 457 97.44 205 Brambling Fringilla montifringilla 310 66.10 206 Bullfinch Pyrrhula pyrrhula 429 91.47 207 Greenfinch Chloris chloris 453 96.59 208 Linnet Linaria cannabina 437 93.18 209 Lesser Redpoll Acanthis cabaret 341 72.71 210 Common Crossbill Loxia curvirostra 263 56.08 211 Two-barred Crossbill Loxia leucoptera 22 4.69 212 Goldfinch Carduelis carduelis 454 96.80 213 Siskin Spinus spinus 414 88.27 214 Corn Bunting Emberiza calandra 289 61.62 215 Yellowhammer Emberiza citrinella 407 86.78 216 Cirl Bunting Emberiza cirlus 103 21.96 217 Reed Bunting Emberiza schoeniclus 439 93.60