Andrew Jarwick: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 130 of 130 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Canada Goose Branta canadensis 460 98.08 2 Barnacle Goose Branta leucopsis 322 68.66 3 Greylag Goose Anser anser 449 95.74 4 Pink-footed Goose Anser brachyrhynchus 357 76.12 5 Mute Swan Cygnus olor 461 98.29 6 Egyptian Goose Alopochen aegyptiaca 370 78.89 7 Shelduck Tadorna tadorna 441 94.03 8 Mandarin Duck Aix galericulata 310 66.10 9 Shoveler Spatula clypeata 444 94.67 10 Gadwall Mareca strepera 442 94.24 11 Wigeon Mareca penelope 442 94.24 12 American Wigeon Mareca americana 68 14.50 13 Mallard Anas platyrhynchos 461 98.29 14 Pintail Anas acuta 390 83.16 15 Teal Anas crecca 445 94.88 16 Pochard Aythya ferina 426 90.83 17 Tufted Duck Aythya fuligula 457 97.44 18 Eider Somateria mollissima 333 71.00 19 Common Scoter Melanitta nigra 347 73.99 20 Goldeneye Bucephala clangula 383 81.66 21 Goosander Mergus merganser 390 83.16 22 Red Grouse Lagopus lagopus 209 44.56 23 Black Grouse Lyrurus tetrix 102 21.75 24 Grey Partridge Perdix perdix 294 62.69 25 Pheasant Phasianus colchicus 454 96.80 26 Red-legged Partridge Alectoris rufa 400 85.29 27 Rock Dove (Feral Pigeon) Columba livia 403 85.93 28 Stock Dove Columba oenas 416 88.70 29 Woodpigeon Columba palumbus 463 98.72 30 Collared Dove Streptopelia decaocto 453 96.59 31 Water Rail Rallus aquaticus 353 75.27 32 Moorhen Gallinula chloropus 458 97.65 33 Coot Fulica atra 456 97.23 34 Little Grebe Tachybaptus ruficollis 443 94.46 35 Great Crested Grebe Podiceps cristatus 447 95.31 36 Oystercatcher Haematopus ostralegus 448 95.52 37 Grey Plover Pluvialis squatarola 343 73.13 38 Golden Plover Pluvialis apricaria 389 82.94 39 Ringed Plover Charadrius hiaticula 399 85.07 40 Little Ringed Plover Charadrius dubius 360 76.76 41 Lapwing Vanellus vanellus 453 96.59 42 Curlew Numenius arquata 436 92.96 43 Bar-tailed Godwit Limosa lapponica 368 78.46 44 Jack Snipe Lymnocryptes minimus 232 49.47 45 Woodcock Scolopax rusticola 291 62.05 46 Snipe Gallinago gallinago 413 88.06 47 Grey Phalarope Phalaropus fulicarius 114 24.31 48 Redshank Tringa totanus 434 92.54 49 Turnstone Arenaria interpres 411 87.63 50 Knot Calidris canutus 349 74.41 51 Sanderling Calidris alba 369 78.68 52 Dunlin Calidris alpina 418 89.13 53 Purple Sandpiper Calidris maritima 265 56.50 54 Kittiwake Rissa tridactyla 382 81.45 55 Black-headed Gull Chroicocephalus ridibundus 460 98.08 56 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 57 Common Gull Larus canus 418 89.13 58 Herring Gull Larus argentatus 457 97.44 59 Great Black-backed Gull Larus marinus 433 92.32 60 Glaucous Gull Larus hyperboreus 88 18.76 61 Lesser Black-backed Gull Larus fuscus 448 95.52 62 Iceland Gull Larus glaucoides 158 33.69 63 Razorbill Alca torda 377 80.38 64 Red-throated Diver Gavia stellata 330 70.36 65 Fulmar Fulmarus glacialis 389 82.94 66 Cormorant Phalacrocorax carbo 457 97.44 67 Shag Gulosus aristotelis 370 78.89 68 Little Egret Egretta garzetta 444 94.67 69 Grey Heron Ardea cinerea 454 96.80 70 Osprey Pandion haliaetus 294 62.69 71 Sparrowhawk Accipiter nisus 443 94.46 72 Marsh Harrier Circus aeruginosus 406 86.57 73 Buzzard Buteo buteo 457 97.44 74 Barn Owl Tyto alba 371 79.10 75 Long-eared Owl Asio otus 113 24.09 76 Short-eared Owl Asio flammeus 262 55.86 77 Tawny Owl Strix aluco 364 77.61 78 Kingfisher Alcedo atthis 410 87.42 79 Great Spotted Woodpecker Dendrocopos major 443 94.46 80 Kestrel Falco tinnunculus 453 96.59 81 Merlin Falco columbarius 275 58.64 82 Peregrine Falco peregrinus 421 89.77 83 Ring-necked Parakeet Psittacula krameri 290 61.83 84 Jay Garrulus glandarius 447 95.31 85 Magpie Pica pica 460 98.08 86 Jackdaw Coloeus monedula 459 97.87 87 Rook Corvus frugilegus 453 96.59 88 Carrion Crow Corvus corone 460 98.08 89 Coal Tit Periparus ater 446 95.10 90 Willow Tit Poecile montanus 179 38.17 91 Blue Tit Cyanistes caeruleus 463 98.72 92 Great Tit Parus major 461 98.29 93 Skylark Alauda arvensis 440 93.82 94 Cetti's Warbler Cettia cetti 387 82.52 95 Long-tailed Tit Aegithalos caudatus 453 96.59 96 Chiffchaff Phylloscopus collybita 441 94.03 97 Goldcrest Regulus regulus 427 91.04 98 Wren Troglodytes troglodytes 458 97.65 99 Nuthatch Sitta europaea 431 91.90 100 Treecreeper Certhia familiaris 420 89.55 101 Starling Sturnus vulgaris 458 97.65 102 Song Thrush Turdus philomelos 454 96.80 103 Mistle Thrush Turdus viscivorus 437 93.18 104 Redwing Turdus iliacus 443 94.46 105 Blackbird Turdus merula 462 98.51 106 Fieldfare Turdus pilaris 422 89.98 107 Robin Erithacus rubecula 462 98.51 108 Black Redstart Phoenicurus ochruros 230 49.04 109 Stonechat Saxicola rubicola 432 92.11 110 Tree Sparrow Passer montanus 328 69.94 111 House Sparrow Passer domesticus 458 97.65 112 Dunnock Prunella modularis 462 98.51 113 Eastern Yellow Wagtail Motacilla tschutschensis 23 4.90 114 Grey Wagtail Motacilla cinerea 440 93.82 115 Pied Wagtail Motacilla alba 460 98.08 116 Meadow Pipit Anthus pratensis 434 92.54 117 Rock Pipit Anthus petrosus 372 79.32 118 Chaffinch Fringilla coelebs 457 97.44 119 Hawfinch Coccothraustes coccothraustes 170 36.25 120 Bullfinch Pyrrhula pyrrhula 429 91.47 121 Greenfinch Chloris chloris 453 96.59 122 Twite Linaria flavirostris 178 37.95 123 Linnet Linaria cannabina 437 93.18 124 Common Crossbill Loxia curvirostra 263 56.08 125 Goldfinch Carduelis carduelis 454 96.80 126 Siskin Spinus spinus 414 88.27 127 Lapland Bunting Calcarius lapponicus 78 16.63 128 Snow Bunting Plectrophenax nivalis 254 54.16 129 Yellowhammer Emberiza citrinella 407 86.78 130 Reed Bunting Emberiza schoeniclus 439 93.60