Phil Bull: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 132 of 132 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 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 Mallard Anas platyrhynchos 461 98.29 13 Pintail Anas acuta 390 83.16 14 Teal Anas crecca 445 94.88 15 Red-crested Pochard Netta rufina 170 36.25 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 Pheasant Phasianus colchicus 454 96.80 22 Red-legged Partridge Alectoris rufa 400 85.29 23 Nightjar Caprimulgus europaeus 205 43.71 24 Swift Apus apus 430 91.68 25 Cuckoo Cuculus canorus 382 81.45 26 Rock Dove (Feral Pigeon) Columba livia 403 85.93 27 Stock Dove Columba oenas 416 88.70 28 Woodpigeon Columba palumbus 463 98.72 29 Turtle Dove Streptopelia turtur 172 36.67 30 Collared Dove Streptopelia decaocto 453 96.59 31 Moorhen Gallinula chloropus 458 97.65 32 Coot Fulica atra 456 97.23 33 Crane Grus grus 199 42.43 34 Little Grebe Tachybaptus ruficollis 443 94.46 35 Great Crested Grebe Podiceps cristatus 447 95.31 36 Stone-curlew Burhinus oedicnemus 168 35.82 37 Oystercatcher Haematopus ostralegus 448 95.52 38 Avocet Recurvirostra avosetta 394 84.01 39 Grey Plover Pluvialis squatarola 343 73.13 40 Golden Plover Pluvialis apricaria 389 82.94 41 Ringed Plover Charadrius hiaticula 399 85.07 42 Little Ringed Plover Charadrius dubius 360 76.76 43 Lapwing Vanellus vanellus 453 96.59 44 Curlew Numenius arquata 436 92.96 45 Black-tailed Godwit Limosa limosa 411 87.63 46 Woodcock Scolopax rusticola 291 62.05 47 Snipe Gallinago gallinago 413 88.06 48 Green Sandpiper Tringa ochropus 351 74.84 49 Redshank Tringa totanus 434 92.54 50 Turnstone Arenaria interpres 411 87.63 51 Ruff Calidris pugnax 369 78.68 52 Sanderling Calidris alba 369 78.68 53 Dunlin Calidris alpina 418 89.13 54 Little Tern Sternula albifrons 286 60.98 55 Black Tern Chlidonias niger 167 35.61 56 Common Tern Sterna hirundo 407 86.78 57 Sandwich Tern Thalasseus sandvicensis 372 79.32 58 Kittiwake Rissa tridactyla 382 81.45 59 Black-headed Gull Chroicocephalus ridibundus 460 98.08 60 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 61 Common Gull Larus canus 418 89.13 62 Herring Gull Larus argentatus 457 97.44 63 Great Black-backed Gull Larus marinus 433 92.32 64 Lesser Black-backed Gull Larus fuscus 448 95.52 65 Little Auk Alle alle 98 20.90 66 Common Guillemot Uria aalge 387 82.52 67 Red-throated Diver Gavia stellata 330 70.36 68 Gannet Morus bassanus 405 86.35 69 Cormorant Phalacrocorax carbo 457 97.44 70 Spoonbill Platalea leucorodia 335 71.43 71 Bittern Botaurus stellaris 294 62.69 72 Little Egret Egretta garzetta 444 94.67 73 Cattle Egret Bubulcus ibis 300 63.97 74 Great White Egret Ardea alba 387 82.52 75 Grey Heron Ardea cinerea 454 96.80 76 Sparrowhawk Accipiter nisus 443 94.46 77 Marsh Harrier Circus aeruginosus 406 86.57 78 Red Kite Milvus milvus 434 92.54 79 Buzzard Buteo buteo 457 97.44 80 Barn Owl Tyto alba 371 79.10 81 Great Spotted Woodpecker Dendrocopos major 443 94.46 82 Green Woodpecker Picus viridis 395 84.22 83 Kestrel Falco tinnunculus 453 96.59 84 Hobby Falco subbuteo 347 73.99 85 Peregrine Falco peregrinus 421 89.77 86 Ring-necked Parakeet Psittacula krameri 290 61.83 87 Jay Garrulus glandarius 447 95.31 88 Magpie Pica pica 460 98.08 89 Jackdaw Coloeus monedula 459 97.87 90 Rook Corvus frugilegus 453 96.59 91 Carrion Crow Corvus corone 460 98.08 92 Raven Corvus corax 415 88.49 93 Coal Tit Periparus ater 446 95.10 94 Blue Tit Cyanistes caeruleus 463 98.72 95 Great Tit Parus major 461 98.29 96 Bearded Tit Panurus biarmicus 299 63.75 97 Sand Martin Riparia riparia 426 90.83 98 Swallow Hirundo rustica 437 93.18 99 House Martin Delichon urbicum 432 92.11 100 Cetti's Warbler Cettia cetti 387 82.52 101 Long-tailed Tit Aegithalos caudatus 453 96.59 102 Chiffchaff Phylloscopus collybita 441 94.03 103 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 104 Reed Warbler Acrocephalus scirpaceus 399 85.07 105 Blackcap Sylvia atricapilla 437 93.18 106 Whitethroat Curruca communis 421 89.77 107 Goldcrest Regulus regulus 427 91.04 108 Wren Troglodytes troglodytes 458 97.65 109 Nuthatch Sitta europaea 431 91.90 110 Starling Sturnus vulgaris 458 97.65 111 Song Thrush Turdus philomelos 454 96.80 112 Mistle Thrush Turdus viscivorus 437 93.18 113 Redwing Turdus iliacus 443 94.46 114 Blackbird Turdus merula 462 98.51 115 Fieldfare Turdus pilaris 422 89.98 116 Spotted Flycatcher Muscicapa striata 330 70.36 117 Robin Erithacus rubecula 462 98.51 118 Stonechat Saxicola rubicola 432 92.11 119 House Sparrow Passer domesticus 458 97.65 120 Dunnock Prunella modularis 462 98.51 121 Grey Wagtail Motacilla cinerea 440 93.82 122 Pied Wagtail Motacilla alba 460 98.08 123 Meadow Pipit Anthus pratensis 434 92.54 124 Chaffinch Fringilla coelebs 457 97.44 125 Brambling Fringilla montifringilla 310 66.10 126 Greenfinch Chloris chloris 453 96.59 127 Linnet Linaria cannabina 437 93.18 128 Goldfinch Carduelis carduelis 454 96.80 129 Snow Bunting Plectrophenax nivalis 254 54.16 130 Yellowhammer Emberiza citrinella 407 86.78 131 Cirl Bunting Emberiza cirlus 103 21.96 132 Reed Bunting Emberiza schoeniclus 439 93.60