Geoffrey Yarnell: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 127 of 127 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 317 77.13 2 Canada Goose Branta canadensis 397 96.59 3 Greylag Goose Anser anser 390 94.89 4 Pink-footed Goose Anser brachyrhynchus 312 75.91 5 Mute Swan Cygnus olor 399 97.08 6 Whooper Swan Cygnus cygnus 294 71.53 7 Shelduck Tadorna tadorna 382 92.94 8 Shoveler Spatula clypeata 379 92.21 9 Gadwall Mareca strepera 381 92.70 10 Wigeon Mareca penelope 387 94.16 11 Mallard Anas platyrhynchos 401 97.57 12 Pintail Anas acuta 340 82.73 13 Teal Anas crecca 386 93.92 14 Pochard Aythya ferina 365 88.81 15 Tufted Duck Aythya fuligula 395 96.11 16 Scaup Aythya marila 247 60.10 17 Eider Somateria mollissima 253 61.56 18 Common Scoter Melanitta nigra 284 69.10 19 Long-tailed Duck Clangula hyemalis 221 53.77 20 Goldeneye Bucephala clangula 345 83.94 21 Goosander Mergus merganser 348 84.67 22 Red Grouse Lagopus lagopus 191 46.47 23 Pheasant Phasianus colchicus 393 95.62 24 Swift Apus apus 352 85.64 25 Cuckoo Cuculus canorus 273 66.42 26 Rock Dove (Feral Pigeon) Columba livia 307 74.70 27 Woodpigeon Columba palumbus 402 97.81 28 Collared Dove Streptopelia decaocto 391 95.13 29 Moorhen Gallinula chloropus 397 96.59 30 Coot Fulica atra 396 96.35 31 Little Grebe Tachybaptus ruficollis 377 91.73 32 Great Crested Grebe Podiceps cristatus 378 91.97 33 Oystercatcher Haematopus ostralegus 380 92.46 34 Grey Plover Pluvialis squatarola 300 72.99 35 Ringed Plover Charadrius hiaticula 334 81.27 36 Lapwing Vanellus vanellus 394 95.86 37 Curlew Numenius arquata 374 91.00 38 Bar-tailed Godwit Limosa lapponica 282 68.61 39 Black-tailed Godwit Limosa limosa 357 86.86 40 Snipe Gallinago gallinago 350 85.16 41 Common Sandpiper Actitis hypoleucos 307 74.70 42 Green Sandpiper Tringa ochropus 288 70.07 43 Redshank Tringa totanus 372 90.51 44 Turnstone Arenaria interpres 345 83.94 45 Knot Calidris canutus 301 73.24 46 Sanderling Calidris alba 298 72.51 47 Dunlin Calidris alpina 357 86.86 48 Purple Sandpiper Calidris maritima 223 54.26 49 Sandwich Tern Thalasseus sandvicensis 284 69.10 50 Kittiwake Rissa tridactyla 270 65.69 51 Black-headed Gull Chroicocephalus ridibundus 394 95.86 52 Mediterranean Gull Ichthyaetus melanocephalus 310 75.43 53 Common Gull Larus canus 367 89.29 54 Herring Gull Larus argentatus 389 94.65 55 Great Black-backed Gull Larus marinus 374 91.00 56 Lesser Black-backed Gull Larus fuscus 374 91.00 57 Puffin Fratercula arctica 170 41.36 58 Razorbill Alca torda 247 60.10 59 Common Guillemot Uria aalge 282 68.61 60 Red-throated Diver Gavia stellata 243 59.12 61 Black-throated Diver Gavia arctica 143 34.79 62 Fulmar Fulmarus glacialis 283 68.86 63 Gannet Morus bassanus 318 77.37 64 Cormorant Phalacrocorax carbo 393 95.62 65 Shag Gulosus aristotelis 282 68.61 66 Little Egret Egretta garzetta 388 94.40 67 Great White Egret Ardea alba 337 82.00 68 Grey Heron Ardea cinerea 393 95.62 69 Osprey Pandion haliaetus 189 45.99 70 Golden Eagle Aquila chrysaetos 40 9.73 71 Sparrowhawk Accipiter nisus 384 93.43 72 Marsh Harrier Circus aeruginosus 349 84.91 73 Red Kite Milvus milvus 368 89.54 74 Buzzard Buteo buteo 391 95.13 75 Kingfisher Alcedo atthis 358 87.10 76 Great Spotted Woodpecker Dendrocopos major 382 92.94 77 Kestrel Falco tinnunculus 394 95.86 78 Peregrine Falco peregrinus 346 84.18 79 Magpie Pica pica 399 97.08 80 Jackdaw Coloeus monedula 393 95.62 81 Rook Corvus frugilegus 388 94.40 82 Carrion Crow Corvus corone 398 96.84 83 Hooded Crow Corvus cornix 113 27.49 84 Raven Corvus corax 341 82.97 85 Coal Tit Periparus ater 387 94.16 86 Blue Tit Cyanistes caeruleus 398 96.84 87 Great Tit Parus major 398 96.84 88 Skylark Alauda arvensis 369 89.78 89 Sand Martin Riparia riparia 339 82.48 90 Swallow Hirundo rustica 368 89.54 91 House Martin Delichon urbicum 352 85.64 92 Long-tailed Tit Aegithalos caudatus 392 95.38 93 Chiffchaff Phylloscopus collybita 373 90.75 94 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 95 Grasshopper Warbler Locustella naevia 177 43.07 96 Blackcap Sylvia atricapilla 356 86.62 97 Whitethroat Curruca communis 333 81.02 98 Wren Troglodytes troglodytes 395 96.11 99 Treecreeper Certhia familiaris 354 86.13 100 Starling Sturnus vulgaris 397 96.59 101 Song Thrush Turdus philomelos 389 94.65 102 Mistle Thrush Turdus viscivorus 369 89.78 103 Blackbird Turdus merula 397 96.59 104 Spotted Flycatcher Muscicapa striata 271 65.94 105 Robin Erithacus rubecula 398 96.84 106 Black Redstart Phoenicurus ochruros 191 46.47 107 Redstart Phoenicurus phoenicurus 247 60.10 108 Whinchat Saxicola rubetra 251 61.07 109 Stonechat Saxicola rubicola 375 91.24 110 Wheatear Oenanthe oenanthe 314 76.40 111 Dipper Cinclus cinclus 229 55.72 112 Tree Sparrow Passer montanus 267 64.96 113 House Sparrow Passer domesticus 396 96.35 114 Dunnock Prunella modularis 394 95.86 115 Grey Wagtail Motacilla cinerea 359 87.35 116 Pied Wagtail Motacilla alba 395 96.11 117 Meadow Pipit Anthus pratensis 373 90.75 118 Rock Pipit Anthus petrosus 290 70.56 119 Chaffinch Fringilla coelebs 397 96.59 120 Bullfinch Pyrrhula pyrrhula 369 89.78 121 Greenfinch Chloris chloris 377 91.73 122 Linnet Linaria cannabina 368 89.54 123 Goldfinch Carduelis carduelis 393 95.62 124 Siskin Spinus spinus 339 82.48 125 Corn Bunting Emberiza calandra 216 52.55 126 Yellowhammer Emberiza citrinella 349 84.91 127 Reed Bunting Emberiza schoeniclus 377 91.73