Ian Ellis: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 209 of 209 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 Tufted Duck Aythya fuligula 457 97.44 24 Eider Somateria mollissima 333 71.00 25 Velvet Scoter Melanitta fusca 171 36.46 26 Common Scoter Melanitta nigra 347 73.99 27 Goldeneye Bucephala clangula 383 81.66 28 Goosander Mergus merganser 390 83.16 29 Red-breasted Merganser Mergus serrator 324 69.08 30 Grey Partridge Perdix perdix 294 62.69 31 Pheasant Phasianus colchicus 454 96.80 32 Red-legged Partridge Alectoris rufa 400 85.29 33 Swift Apus apus 430 91.68 34 Cuckoo Cuculus canorus 382 81.45 35 Rock Dove (Feral Pigeon) Columba livia 403 85.93 36 Stock Dove Columba oenas 416 88.70 37 Woodpigeon Columba palumbus 463 98.72 38 Turtle Dove Streptopelia turtur 172 36.67 39 Collared Dove Streptopelia decaocto 453 96.59 40 Water Rail Rallus aquaticus 353 75.27 41 Moorhen Gallinula chloropus 458 97.65 42 Coot Fulica atra 456 97.23 43 Crane Grus grus 199 42.43 44 Little Grebe Tachybaptus ruficollis 443 94.46 45 Great Crested Grebe Podiceps cristatus 447 95.31 46 Black-necked Grebe Podiceps nigricollis 255 54.37 47 Oystercatcher Haematopus ostralegus 448 95.52 48 Avocet Recurvirostra avosetta 394 84.01 49 Grey Plover Pluvialis squatarola 343 73.13 50 Golden Plover Pluvialis apricaria 389 82.94 51 Ringed Plover Charadrius hiaticula 399 85.07 52 Little Ringed Plover Charadrius dubius 360 76.76 53 Lapwing Vanellus vanellus 453 96.59 54 Eurasian Whimbrel Numenius phaeopus 349 74.41 55 Curlew Numenius arquata 436 92.96 56 Bar-tailed Godwit Limosa lapponica 368 78.46 57 Black-tailed Godwit Limosa limosa 411 87.63 58 Jack Snipe Lymnocryptes minimus 232 49.47 59 Woodcock Scolopax rusticola 291 62.05 60 Snipe Gallinago gallinago 413 88.06 61 Common Sandpiper Actitis hypoleucos 397 84.65 62 Green Sandpiper Tringa ochropus 351 74.84 63 Wood Sandpiper Tringa glareola 270 57.57 64 Redshank Tringa totanus 434 92.54 65 Spotted Redshank Tringa erythropus 331 70.58 66 Greenshank Tringa nebularia 382 81.45 67 Turnstone Arenaria interpres 411 87.63 68 Knot Calidris canutus 349 74.41 69 Ruff Calidris pugnax 369 78.68 70 Curlew Sandpiper Calidris ferruginea 260 55.44 71 Temminck's Stint Calidris temminckii 89 18.98 72 Long-toed Stint Calidris subminuta 128 27.29 73 Red-necked Stint Calidris ruficollis 58 12.37 74 Sanderling Calidris alba 369 78.68 75 Dunlin Calidris alpina 418 89.13 76 Little Stint Calidris minuta 290 61.83 77 Pectoral Sandpiper Calidris melanotos 177 37.74 78 Arctic Tern Sterna paradisaea 290 61.83 79 Common Tern Sterna hirundo 407 86.78 80 Roseate Tern Sterna dougallii 143 30.49 81 Sandwich Tern Thalasseus sandvicensis 372 79.32 82 Little Gull Hydrocoloeus minutus 281 59.91 83 Kittiwake Rissa tridactyla 382 81.45 84 Black-headed Gull Chroicocephalus ridibundus 460 98.08 85 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 86 Common Gull Larus canus 418 89.13 87 Caspian Gull Larus cachinnans 184 39.23 88 Herring Gull Larus argentatus 457 97.44 89 Yellow-legged Gull Larus michahellis 226 48.19 90 Great Black-backed Gull Larus marinus 433 92.32 91 Lesser Black-backed Gull Larus fuscus 448 95.52 92 Iceland Gull Larus glaucoides 158 33.69 93 Pomarine Skua Stercorarius pomarinus 81 17.27 94 Great Skua Stercorarius skua 216 46.06 95 Puffin Fratercula arctica 305 65.03 96 Black Guillemot Cepphus grylle 206 43.92 97 Razorbill Alca torda 377 80.38 98 Common Guillemot Uria aalge 387 82.52 99 Red-throated Diver Gavia stellata 330 70.36 100 Great Northern Diver Gavia immer 287 61.19 101 Black-browed Albatross Thalassarche melanophris 200 42.64 102 Fulmar Fulmarus glacialis 389 82.94 103 Manx Shearwater Puffinus puffinus 246 52.45 104 Balearic Shearwater Puffinus mauretanicus 94 20.04 105 Gannet Morus bassanus 405 86.35 106 Cormorant Phalacrocorax carbo 457 97.44 107 Shag Gulosus aristotelis 370 78.89 108 Glossy Ibis Plegadis falcinellus 213 45.42 109 Bittern Botaurus stellaris 294 62.69 110 Little Egret Egretta garzetta 444 94.67 111 Cattle Egret Bubulcus ibis 300 63.97 112 Great White Egret Ardea alba 387 82.52 113 Grey Heron Ardea cinerea 454 96.80 114 Osprey Pandion haliaetus 294 62.69 115 Sparrowhawk Accipiter nisus 443 94.46 116 Marsh Harrier Circus aeruginosus 406 86.57 117 Hen Harrier Circus cyaneus 227 48.40 118 Red Kite Milvus milvus 434 92.54 119 Buzzard Buteo buteo 457 97.44 120 Barn Owl Tyto alba 371 79.10 121 Little Owl Athene noctua 281 59.91 122 Short-eared Owl Asio flammeus 262 55.86 123 Tawny Owl Strix aluco 364 77.61 124 Roller Coracias garrulus 113 24.09 125 Kingfisher Alcedo atthis 410 87.42 126 Belted Kingfisher Megaceryle alcyon 93 19.83 127 Great Spotted Woodpecker Dendrocopos major 443 94.46 128 Green Woodpecker Picus viridis 395 84.22 129 Kestrel Falco tinnunculus 453 96.59 130 Merlin Falco columbarius 275 58.64 131 Hobby Falco subbuteo 347 73.99 132 Peregrine Falco peregrinus 421 89.77 133 Ring-necked Parakeet Psittacula krameri 290 61.83 134 Jay Garrulus glandarius 447 95.31 135 Magpie Pica pica 460 98.08 136 Jackdaw Coloeus monedula 459 97.87 137 Rook Corvus frugilegus 453 96.59 138 Carrion Crow Corvus corone 460 98.08 139 Raven Corvus corax 415 88.49 140 Coal Tit Periparus ater 446 95.10 141 Marsh Tit Poecile palustris 318 67.80 142 Blue Tit Cyanistes caeruleus 463 98.72 143 Great Tit Parus major 461 98.29 144 Bearded Tit Panurus biarmicus 299 63.75 145 Woodlark Lullula arborea 210 44.78 146 Skylark Alauda arvensis 440 93.82 147 Sand Martin Riparia riparia 426 90.83 148 Swallow Hirundo rustica 437 93.18 149 House Martin Delichon urbicum 432 92.11 150 Cetti's Warbler Cettia cetti 387 82.52 151 Long-tailed Tit Aegithalos caudatus 453 96.59 152 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 153 Willow Warbler Phylloscopus trochilus 415 88.49 154 Chiffchaff Phylloscopus collybita 441 94.03 155 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 156 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 157 Reed Warbler Acrocephalus scirpaceus 399 85.07 158 Grasshopper Warbler Locustella naevia 264 56.29 159 Blackcap Sylvia atricapilla 437 93.18 160 Garden Warbler Sylvia borin 343 73.13 161 Lesser Whitethroat Curruca curruca 332 70.79 162 Whitethroat Curruca communis 421 89.77 163 Dartford Warbler Curruca undata 184 39.23 164 Firecrest Regulus ignicapilla 198 42.22 165 Goldcrest Regulus regulus 427 91.04 166 Wren Troglodytes troglodytes 458 97.65 167 Nuthatch Sitta europaea 431 91.90 168 Treecreeper Certhia familiaris 420 89.55 169 Northern Mockingbird Mimus polyglottos 132 28.14 170 Starling Sturnus vulgaris 458 97.65 171 Song Thrush Turdus philomelos 454 96.80 172 Mistle Thrush Turdus viscivorus 437 93.18 173 Redwing Turdus iliacus 443 94.46 174 Blackbird Turdus merula 462 98.51 175 Fieldfare Turdus pilaris 422 89.98 176 Ring Ouzel Turdus torquatus 261 55.65 177 Spotted Flycatcher Muscicapa striata 330 70.36 178 Robin Erithacus rubecula 462 98.51 179 Pied Flycatcher Ficedula hypoleuca 286 60.98 180 Black Redstart Phoenicurus ochruros 230 49.04 181 Redstart Phoenicurus phoenicurus 335 71.43 182 Whinchat Saxicola rubetra 302 64.39 183 Stonechat Saxicola rubicola 432 92.11 184 Wheatear Oenanthe oenanthe 409 87.21 185 Dipper Cinclus cinclus 289 61.62 186 Tree Sparrow Passer montanus 328 69.94 187 House Sparrow Passer domesticus 458 97.65 188 Dunnock Prunella modularis 462 98.51 189 Yellow Wagtail Motacilla flava 368 78.46 190 Grey Wagtail Motacilla cinerea 440 93.82 191 Pied Wagtail Motacilla alba 460 98.08 192 Meadow Pipit Anthus pratensis 434 92.54 193 Tree Pipit Anthus trivialis 307 65.46 194 Water Pipit Anthus spinoletta 155 33.05 195 Rock Pipit Anthus petrosus 372 79.32 196 Chaffinch Fringilla coelebs 457 97.44 197 Brambling Fringilla montifringilla 310 66.10 198 Bullfinch Pyrrhula pyrrhula 429 91.47 199 Greenfinch Chloris chloris 453 96.59 200 Linnet Linaria cannabina 437 93.18 201 Lesser Redpoll Acanthis cabaret 341 72.71 202 Common Crossbill Loxia curvirostra 263 56.08 203 Goldfinch Carduelis carduelis 454 96.80 204 Siskin Spinus spinus 414 88.27 205 Snow Bunting Plectrophenax nivalis 254 54.16 206 Corn Bunting Emberiza calandra 289 61.62 207 Yellowhammer Emberiza citrinella 407 86.78 208 Cirl Bunting Emberiza cirlus 103 21.96 209 Reed Bunting Emberiza schoeniclus 439 93.60