John Brett: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 128 of 128 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Canada Goose Branta canadensis 460 98.08 2 Greylag Goose Anser anser 449 95.74 3 White-fronted Goose Anser albifrons 238 50.75 4 Mute Swan Cygnus olor 461 98.29 5 Egyptian Goose Alopochen aegyptiaca 370 78.89 6 Shelduck Tadorna tadorna 441 94.03 7 Garganey Spatula querquedula 282 60.13 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 Goldeneye Bucephala clangula 383 81.66 18 Pheasant Phasianus colchicus 454 96.80 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 Ringed Plover Charadrius hiaticula 399 85.07 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 Snipe Gallinago gallinago 413 88.06 40 Common Sandpiper Actitis hypoleucos 397 84.65 41 Wood Sandpiper Tringa glareola 270 57.57 42 Redshank Tringa totanus 434 92.54 43 Greenshank Tringa nebularia 382 81.45 44 Turnstone Arenaria interpres 411 87.63 45 Knot Calidris canutus 349 74.41 46 Ruff Calidris pugnax 369 78.68 47 Dunlin Calidris alpina 418 89.13 48 Common Tern Sterna hirundo 407 86.78 49 Sandwich Tern Thalasseus sandvicensis 372 79.32 50 Black-headed Gull Chroicocephalus ridibundus 460 98.08 51 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 52 Common Gull Larus canus 418 89.13 53 Caspian Gull Larus cachinnans 184 39.23 54 Herring Gull Larus argentatus 457 97.44 55 Yellow-legged Gull Larus michahellis 226 48.19 56 Great Black-backed Gull Larus marinus 433 92.32 57 Lesser Black-backed Gull Larus fuscus 448 95.52 58 Cormorant Phalacrocorax carbo 457 97.44 59 Spoonbill Platalea leucorodia 335 71.43 60 Bittern Botaurus stellaris 294 62.69 61 Little Egret Egretta garzetta 444 94.67 62 Great White Egret Ardea alba 387 82.52 63 Grey Heron Ardea cinerea 454 96.80 64 Osprey Pandion haliaetus 294 62.69 65 Sparrowhawk Accipiter nisus 443 94.46 66 Marsh Harrier Circus aeruginosus 406 86.57 67 Red Kite Milvus milvus 434 92.54 68 Buzzard Buteo buteo 457 97.44 69 Tawny Owl Strix aluco 364 77.61 70 Kingfisher Alcedo atthis 410 87.42 71 Great Spotted Woodpecker Dendrocopos major 443 94.46 72 Green Woodpecker Picus viridis 395 84.22 73 Kestrel Falco tinnunculus 453 96.59 74 Hobby Falco subbuteo 347 73.99 75 Peregrine Falco peregrinus 421 89.77 76 Ring-necked Parakeet Psittacula krameri 290 61.83 77 Jay Garrulus glandarius 447 95.31 78 Magpie Pica pica 460 98.08 79 Jackdaw Coloeus monedula 459 97.87 80 Rook Corvus frugilegus 453 96.59 81 Carrion Crow Corvus corone 460 98.08 82 Raven Corvus corax 415 88.49 83 Coal Tit Periparus ater 446 95.10 84 Blue Tit Cyanistes caeruleus 463 98.72 85 Great Tit Parus major 461 98.29 86 Bearded Tit Panurus biarmicus 299 63.75 87 Skylark Alauda arvensis 440 93.82 88 Sand Martin Riparia riparia 426 90.83 89 Swallow Hirundo rustica 437 93.18 90 House Martin Delichon urbicum 432 92.11 91 Cetti's Warbler Cettia cetti 387 82.52 92 Long-tailed Tit Aegithalos caudatus 453 96.59 93 Willow Warbler Phylloscopus trochilus 415 88.49 94 Chiffchaff Phylloscopus collybita 441 94.03 95 Iberian Chiffchaff Phylloscopus ibericus 11 2.35 96 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 97 Reed Warbler Acrocephalus scirpaceus 399 85.07 98 Blackcap Sylvia atricapilla 437 93.18 99 Garden Warbler Sylvia borin 343 73.13 100 Lesser Whitethroat Curruca curruca 332 70.79 101 Whitethroat Curruca communis 421 89.77 102 Firecrest Regulus ignicapilla 198 42.22 103 Goldcrest Regulus regulus 427 91.04 104 Wren Troglodytes troglodytes 458 97.65 105 Nuthatch Sitta europaea 431 91.90 106 Treecreeper Certhia familiaris 420 89.55 107 Starling Sturnus vulgaris 458 97.65 108 Song Thrush Turdus philomelos 454 96.80 109 Mistle Thrush Turdus viscivorus 437 93.18 110 Redwing Turdus iliacus 443 94.46 111 Blackbird Turdus merula 462 98.51 112 Robin Erithacus rubecula 462 98.51 113 Nightingale Luscinia megarhynchos 158 33.69 114 Stonechat Saxicola rubicola 432 92.11 115 Wheatear Oenanthe oenanthe 409 87.21 116 House Sparrow Passer domesticus 458 97.65 117 Dunnock Prunella modularis 462 98.51 118 Yellow Wagtail Motacilla flava 368 78.46 119 Grey Wagtail Motacilla cinerea 440 93.82 120 Pied Wagtail Motacilla alba 460 98.08 121 Meadow Pipit Anthus pratensis 434 92.54 122 Chaffinch Fringilla coelebs 457 97.44 123 Greenfinch Chloris chloris 453 96.59 124 Linnet Linaria cannabina 437 93.18 125 Goldfinch Carduelis carduelis 454 96.80 126 Siskin Spinus spinus 414 88.27 127 Corn Bunting Emberiza calandra 289 61.62 128 Reed Bunting Emberiza schoeniclus 439 93.60