bernard ty: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 143 of 143 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 Greylag Goose Anser anser 449 95.74 4 Mute Swan Cygnus olor 461 98.29 5 Egyptian Goose Alopochen aegyptiaca 370 78.89 6 Shelduck Tadorna tadorna 441 94.03 7 Mandarin Duck Aix galericulata 310 66.10 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 Teal Anas crecca 445 94.88 13 Tufted Duck Aythya fuligula 457 97.44 14 Scaup Aythya marila 244 52.03 15 Common Scoter Melanitta nigra 347 73.99 16 Pheasant Phasianus colchicus 454 96.80 17 Red-legged Partridge Alectoris rufa 400 85.29 18 Swift Apus apus 430 91.68 19 Cuckoo Cuculus canorus 382 81.45 20 Stock Dove Columba oenas 416 88.70 21 Woodpigeon Columba palumbus 463 98.72 22 Collared Dove Streptopelia decaocto 453 96.59 23 Water Rail Rallus aquaticus 353 75.27 24 Moorhen Gallinula chloropus 458 97.65 25 Coot Fulica atra 456 97.23 26 Little Grebe Tachybaptus ruficollis 443 94.46 27 Great Crested Grebe Podiceps cristatus 447 95.31 28 Slavonian Grebe Podiceps auritus 235 50.11 29 Black-necked Grebe Podiceps nigricollis 255 54.37 30 Oystercatcher Haematopus ostralegus 448 95.52 31 Avocet Recurvirostra avosetta 394 84.01 32 Grey Plover Pluvialis squatarola 343 73.13 33 Little Ringed Plover Charadrius dubius 360 76.76 34 Lapwing Vanellus vanellus 453 96.59 35 Eurasian Whimbrel Numenius phaeopus 349 74.41 36 Curlew Numenius arquata 436 92.96 37 Bar-tailed Godwit Limosa lapponica 368 78.46 38 Black-tailed Godwit Limosa limosa 411 87.63 39 Woodcock Scolopax rusticola 291 62.05 40 Common Sandpiper Actitis hypoleucos 397 84.65 41 Redshank Tringa totanus 434 92.54 42 Greenshank Tringa nebularia 382 81.45 43 Turnstone Arenaria interpres 411 87.63 44 Knot Calidris canutus 349 74.41 45 Dunlin Calidris alpina 418 89.13 46 Purple Sandpiper Calidris maritima 265 56.50 47 Little Tern Sternula albifrons 286 60.98 48 Common Tern Sterna hirundo 407 86.78 49 Kittiwake Rissa tridactyla 382 81.45 50 Black-headed Gull Chroicocephalus ridibundus 460 98.08 51 Common Gull Larus canus 418 89.13 52 Caspian Gull Larus cachinnans 184 39.23 53 Herring Gull Larus argentatus 457 97.44 54 Great Black-backed Gull Larus marinus 433 92.32 55 Lesser Black-backed Gull Larus fuscus 448 95.52 56 Razorbill Alca torda 377 80.38 57 Little Auk Alle alle 98 20.90 58 Common Guillemot Uria aalge 387 82.52 59 Fulmar Fulmarus glacialis 389 82.94 60 Balearic Shearwater Puffinus mauretanicus 94 20.04 61 White Stork Ciconia ciconia 64 13.65 62 Gannet Morus bassanus 405 86.35 63 Cormorant Phalacrocorax carbo 457 97.44 64 Shag Gulosus aristotelis 370 78.89 65 Little Egret Egretta garzetta 444 94.67 66 Grey Heron Ardea cinerea 454 96.80 67 Sparrowhawk Accipiter nisus 443 94.46 68 Marsh Harrier Circus aeruginosus 406 86.57 69 Red Kite Milvus milvus 434 92.54 70 Buzzard Buteo buteo 457 97.44 71 Barn Owl Tyto alba 371 79.10 72 Little Owl Athene noctua 281 59.91 73 Tawny Owl Strix aluco 364 77.61 74 Kingfisher Alcedo atthis 410 87.42 75 Great Spotted Woodpecker Dendrocopos major 443 94.46 76 Green Woodpecker Picus viridis 395 84.22 77 Kestrel Falco tinnunculus 453 96.59 78 Merlin Falco columbarius 275 58.64 79 Hobby Falco subbuteo 347 73.99 80 Peregrine Falco peregrinus 421 89.77 81 Ring-necked Parakeet Psittacula krameri 290 61.83 82 Jay Garrulus glandarius 447 95.31 83 Magpie Pica pica 460 98.08 84 Jackdaw Coloeus monedula 459 97.87 85 Rook Corvus frugilegus 453 96.59 86 Carrion Crow Corvus corone 460 98.08 87 Raven Corvus corax 415 88.49 88 Coal Tit Periparus ater 446 95.10 89 Marsh Tit Poecile palustris 318 67.80 90 Blue Tit Cyanistes caeruleus 463 98.72 91 Great Tit Parus major 461 98.29 92 Woodlark Lullula arborea 210 44.78 93 Skylark Alauda arvensis 440 93.82 94 Sand Martin Riparia riparia 426 90.83 95 Swallow Hirundo rustica 437 93.18 96 House Martin Delichon urbicum 432 92.11 97 Cetti's Warbler Cettia cetti 387 82.52 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 Reed Warbler Acrocephalus scirpaceus 399 85.07 103 Blackcap Sylvia atricapilla 437 93.18 104 Garden Warbler Sylvia borin 343 73.13 105 Lesser Whitethroat Curruca curruca 332 70.79 106 Whitethroat Curruca communis 421 89.77 107 Firecrest Regulus ignicapilla 198 42.22 108 Goldcrest Regulus regulus 427 91.04 109 Wren Troglodytes troglodytes 458 97.65 110 Nuthatch Sitta europaea 431 91.90 111 Treecreeper Certhia familiaris 420 89.55 112 Northern Mockingbird Mimus polyglottos 132 28.14 113 Starling Sturnus vulgaris 458 97.65 114 Song Thrush Turdus philomelos 454 96.80 115 Mistle Thrush Turdus viscivorus 437 93.18 116 Redwing Turdus iliacus 443 94.46 117 Blackbird Turdus merula 462 98.51 118 Fieldfare Turdus pilaris 422 89.98 119 Ring Ouzel Turdus torquatus 261 55.65 120 Robin Erithacus rubecula 462 98.51 121 Nightingale Luscinia megarhynchos 158 33.69 122 Pied Flycatcher Ficedula hypoleuca 286 60.98 123 Stonechat Saxicola rubicola 432 92.11 124 House Sparrow Passer domesticus 458 97.65 125 Dunnock Prunella modularis 462 98.51 126 Grey Wagtail Motacilla cinerea 440 93.82 127 Pied Wagtail Motacilla alba 460 98.08 128 Meadow Pipit Anthus pratensis 434 92.54 129 Rock Pipit Anthus petrosus 372 79.32 130 Chaffinch Fringilla coelebs 457 97.44 131 Brambling Fringilla montifringilla 310 66.10 132 Bullfinch Pyrrhula pyrrhula 429 91.47 133 Greenfinch Chloris chloris 453 96.59 134 Linnet Linaria cannabina 437 93.18 135 Lesser Redpoll Acanthis cabaret 341 72.71 136 Common Crossbill Loxia curvirostra 263 56.08 137 Goldfinch Carduelis carduelis 454 96.80 138 Siskin Spinus spinus 414 88.27 139 Snow Bunting Plectrophenax nivalis 254 54.16 140 Yellowhammer Emberiza citrinella 407 86.78 141 Little Bunting Emberiza pusilla 110 23.45 142 Reed Bunting Emberiza schoeniclus 439 93.60 143 White-throated Sparrow Zonotrichia albicollis 63 13.43