Richard Yarnell: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 154 of 154 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 Egyptian Goose Alopochen aegyptiaca 304 73.97 8 Shelduck Tadorna tadorna 382 92.94 9 Mandarin Duck Aix galericulata 250 60.83 10 Shoveler Spatula clypeata 379 92.21 11 Gadwall Mareca strepera 381 92.70 12 Wigeon Mareca penelope 387 94.16 13 Mallard Anas platyrhynchos 401 97.57 14 Pintail Anas acuta 340 82.73 15 Teal Anas crecca 386 93.92 16 Pochard Aythya ferina 365 88.81 17 Tufted Duck Aythya fuligula 395 96.11 18 Scaup Aythya marila 247 60.10 19 Eider Somateria mollissima 253 61.56 20 Goldeneye Bucephala clangula 345 83.94 21 Smew Mergellus albellus 189 45.99 22 Goosander Mergus merganser 348 84.67 23 Red-breasted Merganser Mergus serrator 266 64.72 24 Red Grouse Lagopus lagopus 191 46.47 25 Pheasant Phasianus colchicus 393 95.62 26 Red-legged Partridge Alectoris rufa 322 78.35 27 Swift Apus apus 352 85.64 28 Rock Dove (Feral Pigeon) Columba livia 307 74.70 29 Stock Dove Columba oenas 362 88.08 30 Woodpigeon Columba palumbus 402 97.81 31 Collared Dove Streptopelia decaocto 391 95.13 32 Moorhen Gallinula chloropus 397 96.59 33 Coot Fulica atra 396 96.35 34 Little Grebe Tachybaptus ruficollis 377 91.73 35 Slavonian Grebe Podiceps auritus 184 44.77 36 Black-necked Grebe Podiceps nigricollis 207 50.36 37 Oystercatcher Haematopus ostralegus 380 92.46 38 Avocet Recurvirostra avosetta 313 76.16 39 Golden Plover Pluvialis apricaria 335 81.51 40 Ringed Plover Charadrius hiaticula 334 81.27 41 Lapwing Vanellus vanellus 394 95.86 42 Eurasian Whimbrel Numenius phaeopus 237 57.66 43 Curlew Numenius arquata 374 91.00 44 Black-tailed Godwit Limosa limosa 357 86.86 45 Snipe Gallinago gallinago 350 85.16 46 Common Sandpiper Actitis hypoleucos 307 74.70 47 Wood Sandpiper Tringa glareola 188 45.74 48 Redshank Tringa totanus 372 90.51 49 Turnstone Arenaria interpres 345 83.94 50 Knot Calidris canutus 301 73.24 51 Ruff Calidris pugnax 300 72.99 52 Curlew Sandpiper Calidris ferruginea 229 55.72 53 Sanderling Calidris alba 298 72.51 54 Dunlin Calidris alpina 357 86.86 55 Pectoral Sandpiper Calidris melanotos 117 28.47 56 Arctic Tern Sterna paradisaea 167 40.63 57 Common Tern Sterna hirundo 322 78.35 58 Roseate Tern Sterna dougallii 74 18.00 59 Sandwich Tern Thalasseus sandvicensis 284 69.10 60 Little Gull Hydrocoloeus minutus 166 40.39 61 Kittiwake Rissa tridactyla 270 65.69 62 Black-headed Gull Chroicocephalus ridibundus 394 95.86 63 Mediterranean Gull Ichthyaetus melanocephalus 310 75.43 64 Common Gull Larus canus 367 89.29 65 Herring Gull Larus argentatus 389 94.65 66 Great Black-backed Gull Larus marinus 374 91.00 67 Lesser Black-backed Gull Larus fuscus 374 91.00 68 Puffin Fratercula arctica 170 41.36 69 Razorbill Alca torda 247 60.10 70 Common Guillemot Uria aalge 282 68.61 71 Red-throated Diver Gavia stellata 243 59.12 72 Black-throated Diver Gavia arctica 143 34.79 73 Great Northern Diver Gavia immer 231 56.20 74 Fulmar Fulmarus glacialis 283 68.86 75 Gannet Morus bassanus 318 77.37 76 Cormorant Phalacrocorax carbo 393 95.62 77 Shag Gulosus aristotelis 282 68.61 78 Spoonbill Platalea leucorodia 246 59.85 79 Little Egret Egretta garzetta 388 94.40 80 Cattle Egret Bubulcus ibis 251 61.07 81 Great White Egret Ardea alba 337 82.00 82 Grey Heron Ardea cinerea 393 95.62 83 Osprey Pandion haliaetus 189 45.99 84 Golden Eagle Aquila chrysaetos 40 9.73 85 Sparrowhawk Accipiter nisus 384 93.43 86 Marsh Harrier Circus aeruginosus 349 84.91 87 Hen Harrier Circus cyaneus 236 57.42 88 Red Kite Milvus milvus 368 89.54 89 Buzzard Buteo buteo 391 95.13 90 Barn Owl Tyto alba 336 81.75 91 Tawny Owl Strix aluco 311 75.67 92 Great Spotted Woodpecker Dendrocopos major 382 92.94 93 Green Woodpecker Picus viridis 340 82.73 94 Kestrel Falco tinnunculus 394 95.86 95 Merlin Falco columbarius 254 61.80 96 Hobby Falco subbuteo 278 67.64 97 Peregrine Falco peregrinus 346 84.18 98 Jay Garrulus glandarius 376 91.48 99 Magpie Pica pica 399 97.08 100 Jackdaw Coloeus monedula 393 95.62 101 Rook Corvus frugilegus 388 94.40 102 Carrion Crow Corvus corone 398 96.84 103 Hooded Crow Corvus cornix 113 27.49 104 Raven Corvus corax 341 82.97 105 Coal Tit Periparus ater 387 94.16 106 Marsh Tit Poecile palustris 282 68.61 107 Blue Tit Cyanistes caeruleus 398 96.84 108 Great Tit Parus major 398 96.84 109 Skylark Alauda arvensis 369 89.78 110 Sand Martin Riparia riparia 339 82.48 111 Swallow Hirundo rustica 368 89.54 112 House Martin Delichon urbicum 352 85.64 113 Long-tailed Tit Aegithalos caudatus 392 95.38 114 Willow Warbler Phylloscopus trochilus 333 81.02 115 Chiffchaff Phylloscopus collybita 373 90.75 116 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 117 Reed Warbler Acrocephalus scirpaceus 301 73.24 118 Blackcap Sylvia atricapilla 356 86.62 119 Whitethroat Curruca communis 333 81.02 120 Goldcrest Regulus regulus 368 89.54 121 Wren Troglodytes troglodytes 395 96.11 122 Nuthatch Sitta europaea 369 89.78 123 Treecreeper Certhia familiaris 354 86.13 124 Starling Sturnus vulgaris 397 96.59 125 Song Thrush Turdus philomelos 389 94.65 126 Mistle Thrush Turdus viscivorus 369 89.78 127 Redwing Turdus iliacus 384 93.43 128 Blackbird Turdus merula 397 96.59 129 Fieldfare Turdus pilaris 361 87.83 130 Spotted Flycatcher Muscicapa striata 271 65.94 131 Robin Erithacus rubecula 398 96.84 132 Redstart Phoenicurus phoenicurus 247 60.10 133 Whinchat Saxicola rubetra 251 61.07 134 Stonechat Saxicola rubicola 375 91.24 135 Wheatear Oenanthe oenanthe 314 76.40 136 Dipper Cinclus cinclus 229 55.72 137 Tree Sparrow Passer montanus 267 64.96 138 House Sparrow Passer domesticus 396 96.35 139 Dunnock Prunella modularis 394 95.86 140 Yellow Wagtail Motacilla flava 268 65.21 141 Grey Wagtail Motacilla cinerea 359 87.35 142 Pied Wagtail Motacilla alba 395 96.11 143 Meadow Pipit Anthus pratensis 373 90.75 144 Rock Pipit Anthus petrosus 290 70.56 145 Chaffinch Fringilla coelebs 397 96.59 146 Bullfinch Pyrrhula pyrrhula 369 89.78 147 Greenfinch Chloris chloris 377 91.73 148 Linnet Linaria cannabina 368 89.54 149 Common Redpoll Acanthis flammea 57 13.87 150 Goldfinch Carduelis carduelis 393 95.62 151 Siskin Spinus spinus 339 82.48 152 Corn Bunting Emberiza calandra 216 52.55 153 Yellowhammer Emberiza citrinella 349 84.91 154 Reed Bunting Emberiza schoeniclus 377 91.73