Clare Alley: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 137 of 137 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 Mute Swan Cygnus olor 461 98.29 5 Bewick's Swan Cygnus columbianus 135 28.78 6 Egyptian Goose Alopochen aegyptiaca 370 78.89 7 Shelduck Tadorna tadorna 441 94.03 8 Shoveler Spatula clypeata 444 94.67 9 Gadwall Mareca strepera 442 94.24 10 Wigeon Mareca penelope 442 94.24 11 Mallard Anas platyrhynchos 461 98.29 12 Pintail Anas acuta 390 83.16 13 Teal Anas crecca 445 94.88 14 Pochard Aythya ferina 426 90.83 15 Ring-necked Duck Aythya collaris 190 40.51 16 Tufted Duck Aythya fuligula 457 97.44 17 Pheasant Phasianus colchicus 454 96.80 18 Red-legged Partridge Alectoris rufa 400 85.29 19 Swift Apus apus 430 91.68 20 Cuckoo Cuculus canorus 382 81.45 21 Rock Dove (Feral Pigeon) Columba livia 403 85.93 22 Stock Dove Columba oenas 416 88.70 23 Woodpigeon Columba palumbus 463 98.72 24 Collared Dove Streptopelia decaocto 453 96.59 25 Water Rail Rallus aquaticus 353 75.27 26 Moorhen Gallinula chloropus 458 97.65 27 Coot Fulica atra 456 97.23 28 Little Grebe Tachybaptus ruficollis 443 94.46 29 Great Crested Grebe Podiceps cristatus 447 95.31 30 Oystercatcher Haematopus ostralegus 448 95.52 31 Avocet Recurvirostra avosetta 394 84.01 32 Grey Plover Pluvialis squatarola 343 73.13 33 Golden Plover Pluvialis apricaria 389 82.94 34 Ringed Plover Charadrius hiaticula 399 85.07 35 Little Ringed Plover Charadrius dubius 360 76.76 36 Lapwing Vanellus vanellus 453 96.59 37 Curlew Numenius arquata 436 92.96 38 Bar-tailed Godwit Limosa lapponica 368 78.46 39 Black-tailed Godwit Limosa limosa 411 87.63 40 Snipe Gallinago gallinago 413 88.06 41 Common Sandpiper Actitis hypoleucos 397 84.65 42 Redshank Tringa totanus 434 92.54 43 Turnstone Arenaria interpres 411 87.63 44 Sanderling Calidris alba 369 78.68 45 Dunlin Calidris alpina 418 89.13 46 Common Tern Sterna hirundo 407 86.78 47 Sandwich Tern Thalasseus sandvicensis 372 79.32 48 Kittiwake Rissa tridactyla 382 81.45 49 Black-headed Gull Chroicocephalus ridibundus 460 98.08 50 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 51 Common Gull Larus canus 418 89.13 52 Herring Gull Larus argentatus 457 97.44 53 Great Black-backed Gull Larus marinus 433 92.32 54 Lesser Black-backed Gull Larus fuscus 448 95.52 55 Puffin Fratercula arctica 305 65.03 56 Razorbill Alca torda 377 80.38 57 Common Guillemot Uria aalge 387 82.52 58 Black-browed Albatross Thalassarche melanophris 200 42.64 59 Fulmar Fulmarus glacialis 389 82.94 60 Gannet Morus bassanus 405 86.35 61 Cormorant Phalacrocorax carbo 457 97.44 62 Shag Gulosus aristotelis 370 78.89 63 Glossy Ibis Plegadis falcinellus 213 45.42 64 Spoonbill Platalea leucorodia 335 71.43 65 Little Egret Egretta garzetta 444 94.67 66 Cattle Egret Bubulcus ibis 300 63.97 67 Great White Egret Ardea alba 387 82.52 68 Grey Heron Ardea cinerea 454 96.80 69 Sparrowhawk Accipiter nisus 443 94.46 70 Marsh Harrier Circus aeruginosus 406 86.57 71 Red Kite Milvus milvus 434 92.54 72 Buzzard Buteo buteo 457 97.44 73 Barn Owl Tyto alba 371 79.10 74 Long-eared Owl Asio otus 113 24.09 75 Tawny Owl Strix aluco 364 77.61 76 Kingfisher Alcedo atthis 410 87.42 77 Great Spotted Woodpecker Dendrocopos major 443 94.46 78 Green Woodpecker Picus viridis 395 84.22 79 Kestrel Falco tinnunculus 453 96.59 80 Hobby Falco subbuteo 347 73.99 81 Peregrine Falco peregrinus 421 89.77 82 Jay Garrulus glandarius 447 95.31 83 Magpie Pica pica 460 98.08 84 Chough Pyrrhocorax pyrrhocorax 194 41.36 85 Jackdaw Coloeus monedula 459 97.87 86 Rook Corvus frugilegus 453 96.59 87 Carrion Crow Corvus corone 460 98.08 88 Raven Corvus corax 415 88.49 89 Coal Tit Periparus ater 446 95.10 90 Blue Tit Cyanistes caeruleus 463 98.72 91 Great Tit Parus major 461 98.29 92 Skylark Alauda arvensis 440 93.82 93 Sand Martin Riparia riparia 426 90.83 94 Swallow Hirundo rustica 437 93.18 95 House Martin Delichon urbicum 432 92.11 96 Long-tailed Tit Aegithalos caudatus 453 96.59 97 Willow Warbler Phylloscopus trochilus 415 88.49 98 Chiffchaff Phylloscopus collybita 441 94.03 99 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 100 Reed Warbler Acrocephalus scirpaceus 399 85.07 101 Grasshopper Warbler Locustella naevia 264 56.29 102 Blackcap Sylvia atricapilla 437 93.18 103 Lesser Whitethroat Curruca curruca 332 70.79 104 Whitethroat Curruca communis 421 89.77 105 Goldcrest Regulus regulus 427 91.04 106 Wren Troglodytes troglodytes 458 97.65 107 Nuthatch Sitta europaea 431 91.90 108 Treecreeper Certhia familiaris 420 89.55 109 Starling Sturnus vulgaris 458 97.65 110 Song Thrush Turdus philomelos 454 96.80 111 Mistle Thrush Turdus viscivorus 437 93.18 112 Redwing Turdus iliacus 443 94.46 113 Blackbird Turdus merula 462 98.51 114 Fieldfare Turdus pilaris 422 89.98 115 Spotted Flycatcher Muscicapa striata 330 70.36 116 Robin Erithacus rubecula 462 98.51 117 Nightingale Luscinia megarhynchos 158 33.69 118 Stonechat Saxicola rubicola 432 92.11 119 Wheatear Oenanthe oenanthe 409 87.21 120 Dipper Cinclus cinclus 289 61.62 121 Tree Sparrow Passer montanus 328 69.94 122 House Sparrow Passer domesticus 458 97.65 123 Dunnock Prunella modularis 462 98.51 124 Yellow Wagtail Motacilla flava 368 78.46 125 Grey Wagtail Motacilla cinerea 440 93.82 126 Pied Wagtail Motacilla alba 460 98.08 127 Meadow Pipit Anthus pratensis 434 92.54 128 Tree Pipit Anthus trivialis 307 65.46 129 Rock Pipit Anthus petrosus 372 79.32 130 Chaffinch Fringilla coelebs 457 97.44 131 Bullfinch Pyrrhula pyrrhula 429 91.47 132 Greenfinch Chloris chloris 453 96.59 133 Linnet Linaria cannabina 437 93.18 134 Goldfinch Carduelis carduelis 454 96.80 135 Siskin Spinus spinus 414 88.27 136 Yellowhammer Emberiza citrinella 407 86.78 137 Reed Bunting Emberiza schoeniclus 439 93.60