Fin Wilson: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 134 of 134 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 White-fronted Goose Anser albifrons 238 50.75 6 Mute Swan Cygnus olor 461 98.29 7 Bewick's Swan Cygnus columbianus 135 28.78 8 Shelduck Tadorna tadorna 441 94.03 9 Mandarin Duck Aix galericulata 310 66.10 10 Shoveler Spatula clypeata 444 94.67 11 Gadwall Mareca strepera 442 94.24 12 Wigeon Mareca penelope 442 94.24 13 Mallard Anas platyrhynchos 461 98.29 14 Pintail Anas acuta 390 83.16 15 Teal Anas crecca 445 94.88 16 Tufted Duck Aythya fuligula 457 97.44 17 Eider Somateria mollissima 333 71.00 18 Long-tailed Duck Clangula hyemalis 205 43.71 19 Goldeneye Bucephala clangula 383 81.66 20 Goosander Mergus merganser 390 83.16 21 Red-breasted Merganser Mergus serrator 324 69.08 22 Pheasant Phasianus colchicus 454 96.80 23 Red-legged Partridge Alectoris rufa 400 85.29 24 Swift Apus apus 430 91.68 25 Stock Dove Columba oenas 416 88.70 26 Woodpigeon Columba palumbus 463 98.72 27 Collared Dove Streptopelia decaocto 453 96.59 28 Moorhen Gallinula chloropus 458 97.65 29 Coot Fulica atra 456 97.23 30 Crane Grus grus 199 42.43 31 Little Grebe Tachybaptus ruficollis 443 94.46 32 Great Crested Grebe Podiceps cristatus 447 95.31 33 Oystercatcher Haematopus ostralegus 448 95.52 34 Avocet Recurvirostra avosetta 394 84.01 35 Golden Plover Pluvialis apricaria 389 82.94 36 Ringed Plover Charadrius hiaticula 399 85.07 37 Lapwing Vanellus vanellus 453 96.59 38 Eurasian Whimbrel Numenius phaeopus 349 74.41 39 Curlew Numenius arquata 436 92.96 40 Black-tailed Godwit Limosa limosa 411 87.63 41 Woodcock Scolopax rusticola 291 62.05 42 Snipe Gallinago gallinago 413 88.06 43 Common Sandpiper Actitis hypoleucos 397 84.65 44 Redshank Tringa totanus 434 92.54 45 Greenshank Tringa nebularia 382 81.45 46 Turnstone Arenaria interpres 411 87.63 47 Dunlin Calidris alpina 418 89.13 48 Little Stint Calidris minuta 290 61.83 49 Little Tern Sternula albifrons 286 60.98 50 Arctic Tern Sterna paradisaea 290 61.83 51 Common Tern Sterna hirundo 407 86.78 52 Roseate Tern Sterna dougallii 143 30.49 53 Sandwich Tern Thalasseus sandvicensis 372 79.32 54 Elegant Tern Thalasseus elegans 84 17.91 55 Kittiwake Rissa tridactyla 382 81.45 56 Black-headed Gull Chroicocephalus ridibundus 460 98.08 57 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 58 Herring Gull Larus argentatus 457 97.44 59 Great Black-backed Gull Larus marinus 433 92.32 60 Lesser Black-backed Gull Larus fuscus 448 95.52 61 Black Guillemot Cepphus grylle 206 43.92 62 Razorbill Alca torda 377 80.38 63 Common Guillemot Uria aalge 387 82.52 64 Fulmar Fulmarus glacialis 389 82.94 65 Manx Shearwater Puffinus puffinus 246 52.45 66 Gannet Morus bassanus 405 86.35 67 Cormorant Phalacrocorax carbo 457 97.44 68 Shag Gulosus aristotelis 370 78.89 69 Little Egret Egretta garzetta 444 94.67 70 Great White Egret Ardea alba 387 82.52 71 Grey Heron Ardea cinerea 454 96.80 72 Osprey Pandion haliaetus 294 62.69 73 Sparrowhawk Accipiter nisus 443 94.46 74 Goshawk Accipiter gentilis 195 41.58 75 Marsh Harrier Circus aeruginosus 406 86.57 76 Hen Harrier Circus cyaneus 227 48.40 77 Red Kite Milvus milvus 434 92.54 78 Buzzard Buteo buteo 457 97.44 79 Barn Owl Tyto alba 371 79.10 80 Great Spotted Woodpecker Dendrocopos major 443 94.46 81 Kestrel Falco tinnunculus 453 96.59 82 Hobby Falco subbuteo 347 73.99 83 Peregrine Falco peregrinus 421 89.77 84 Jay Garrulus glandarius 447 95.31 85 Magpie Pica pica 460 98.08 86 Chough Pyrrhocorax pyrrhocorax 194 41.36 87 Jackdaw Coloeus monedula 459 97.87 88 Rook Corvus frugilegus 453 96.59 89 Carrion Crow Corvus corone 460 98.08 90 Raven Corvus corax 415 88.49 91 Coal Tit Periparus ater 446 95.10 92 Blue Tit Cyanistes caeruleus 463 98.72 93 Great Tit Parus major 461 98.29 94 Skylark Alauda arvensis 440 93.82 95 Sand Martin Riparia riparia 426 90.83 96 Swallow Hirundo rustica 437 93.18 97 House Martin Delichon urbicum 432 92.11 98 Long-tailed Tit Aegithalos caudatus 453 96.59 99 Willow Warbler Phylloscopus trochilus 415 88.49 100 Chiffchaff Phylloscopus collybita 441 94.03 101 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 102 Blackcap Sylvia atricapilla 437 93.18 103 Whitethroat Curruca communis 421 89.77 104 Goldcrest Regulus regulus 427 91.04 105 Wren Troglodytes troglodytes 458 97.65 106 Nuthatch Sitta europaea 431 91.90 107 Treecreeper Certhia familiaris 420 89.55 108 Starling Sturnus vulgaris 458 97.65 109 Song Thrush Turdus philomelos 454 96.80 110 Mistle Thrush Turdus viscivorus 437 93.18 111 Redwing Turdus iliacus 443 94.46 112 Blackbird Turdus merula 462 98.51 113 Fieldfare Turdus pilaris 422 89.98 114 Spotted Flycatcher Muscicapa striata 330 70.36 115 Robin Erithacus rubecula 462 98.51 116 Redstart Phoenicurus phoenicurus 335 71.43 117 Stonechat Saxicola rubicola 432 92.11 118 Wheatear Oenanthe oenanthe 409 87.21 119 Dipper Cinclus cinclus 289 61.62 120 House Sparrow Passer domesticus 458 97.65 121 Dunnock Prunella modularis 462 98.51 122 Yellow Wagtail Motacilla flava 368 78.46 123 Grey Wagtail Motacilla cinerea 440 93.82 124 Pied Wagtail Motacilla alba 460 98.08 125 Meadow Pipit Anthus pratensis 434 92.54 126 Chaffinch Fringilla coelebs 457 97.44 127 Bullfinch Pyrrhula pyrrhula 429 91.47 128 Greenfinch Chloris chloris 453 96.59 129 Linnet Linaria cannabina 437 93.18 130 Common Crossbill Loxia curvirostra 263 56.08 131 Goldfinch Carduelis carduelis 454 96.80 132 Siskin Spinus spinus 414 88.27 133 Yellowhammer Emberiza citrinella 407 86.78 134 Reed Bunting Emberiza schoeniclus 439 93.60