Ged Russell: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 220 of 220 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 Pink-footed Goose Anser brachyrhynchus 357 76.12 6 White-fronted Goose Anser albifrons 238 50.75 7 Mute Swan Cygnus olor 461 98.29 8 Whooper Swan Cygnus cygnus 310 66.10 9 Shelduck Tadorna tadorna 441 94.03 10 Mandarin Duck Aix galericulata 310 66.10 11 Garganey Spatula querquedula 282 60.13 12 Shoveler Spatula clypeata 444 94.67 13 Gadwall Mareca strepera 442 94.24 14 Wigeon Mareca penelope 442 94.24 15 American Wigeon Mareca americana 68 14.50 16 Mallard Anas platyrhynchos 461 98.29 17 Pintail Anas acuta 390 83.16 18 Teal Anas crecca 445 94.88 19 Green-winged Teal Anas carolinensis 74 15.78 20 Pochard Aythya ferina 426 90.83 21 Ring-necked Duck Aythya collaris 190 40.51 22 Tufted Duck Aythya fuligula 457 97.44 23 Scaup Aythya marila 244 52.03 24 Eider Somateria mollissima 333 71.00 25 Surf Scoter Melanitta perspicillata 53 11.30 26 Velvet Scoter Melanitta fusca 171 36.46 27 White-winged/Stejneger's Scoter Melanitta deglandi/stejnegeri 7 1.49 28 Common Scoter Melanitta nigra 347 73.99 29 Long-tailed Duck Clangula hyemalis 205 43.71 30 Goldeneye Bucephala clangula 383 81.66 31 Goosander Mergus merganser 390 83.16 32 Red-breasted Merganser Mergus serrator 324 69.08 33 Red Grouse Lagopus lagopus 209 44.56 34 Black Grouse Lyrurus tetrix 102 21.75 35 Grey Partridge Perdix perdix 294 62.69 36 Pheasant Phasianus colchicus 454 96.80 37 Red-legged Partridge Alectoris rufa 400 85.29 38 Nightjar Caprimulgus europaeus 205 43.71 39 Swift Apus apus 430 91.68 40 Cuckoo Cuculus canorus 382 81.45 41 Rock Dove (Feral Pigeon) Columba livia 403 85.93 42 Stock Dove Columba oenas 416 88.70 43 Woodpigeon Columba palumbus 463 98.72 44 Collared Dove Streptopelia decaocto 453 96.59 45 Water Rail Rallus aquaticus 353 75.27 46 Moorhen Gallinula chloropus 458 97.65 47 Coot Fulica atra 456 97.23 48 Little Grebe Tachybaptus ruficollis 443 94.46 49 Red-necked Grebe Podiceps grisegena 141 30.06 50 Great Crested Grebe Podiceps cristatus 447 95.31 51 Slavonian Grebe Podiceps auritus 235 50.11 52 Black-necked Grebe Podiceps nigricollis 255 54.37 53 Oystercatcher Haematopus ostralegus 448 95.52 54 Avocet Recurvirostra avosetta 394 84.01 55 Grey Plover Pluvialis squatarola 343 73.13 56 Golden Plover Pluvialis apricaria 389 82.94 57 Ringed Plover Charadrius hiaticula 399 85.07 58 Little Ringed Plover Charadrius dubius 360 76.76 59 Lapwing Vanellus vanellus 453 96.59 60 Eurasian Whimbrel Numenius phaeopus 349 74.41 61 Curlew Numenius arquata 436 92.96 62 Bar-tailed Godwit Limosa lapponica 368 78.46 63 Black-tailed Godwit Limosa limosa 411 87.63 64 Jack Snipe Lymnocryptes minimus 232 49.47 65 Woodcock Scolopax rusticola 291 62.05 66 Snipe Gallinago gallinago 413 88.06 67 Wilson's Phalarope Phalaropus tricolor 42 8.96 68 Common Sandpiper Actitis hypoleucos 397 84.65 69 Green Sandpiper Tringa ochropus 351 74.84 70 Wood Sandpiper Tringa glareola 270 57.57 71 Redshank Tringa totanus 434 92.54 72 Spotted Redshank Tringa erythropus 331 70.58 73 Greenshank Tringa nebularia 382 81.45 74 Turnstone Arenaria interpres 411 87.63 75 Knot Calidris canutus 349 74.41 76 Ruff Calidris pugnax 369 78.68 77 Curlew Sandpiper Calidris ferruginea 260 55.44 78 Temminck's Stint Calidris temminckii 89 18.98 79 Sanderling Calidris alba 369 78.68 80 Dunlin Calidris alpina 418 89.13 81 Purple Sandpiper Calidris maritima 265 56.50 82 Little Stint Calidris minuta 290 61.83 83 Little Tern Sternula albifrons 286 60.98 84 Caspian Tern Hydroprogne caspia 54 11.51 85 Black Tern Chlidonias niger 167 35.61 86 Arctic Tern Sterna paradisaea 290 61.83 87 Common Tern Sterna hirundo 407 86.78 88 Roseate Tern Sterna dougallii 143 30.49 89 Sandwich Tern Thalasseus sandvicensis 372 79.32 90 Little Gull Hydrocoloeus minutus 281 59.91 91 Kittiwake Rissa tridactyla 382 81.45 92 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 93 Black-headed Gull Chroicocephalus ridibundus 460 98.08 94 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 95 Common Gull Larus canus 418 89.13 96 Caspian Gull Larus cachinnans 184 39.23 97 Herring Gull Larus argentatus 457 97.44 98 Great Black-backed Gull Larus marinus 433 92.32 99 Glaucous Gull Larus hyperboreus 88 18.76 100 Lesser Black-backed Gull Larus fuscus 448 95.52 101 Long-tailed Skua Stercorarius longicaudus 87 18.55 102 Arctic Skua Stercorarius parasiticus 204 43.50 103 Pomarine Skua Stercorarius pomarinus 81 17.27 104 Great Skua Stercorarius skua 216 46.06 105 Puffin Fratercula arctica 305 65.03 106 Black Guillemot Cepphus grylle 206 43.92 107 Razorbill Alca torda 377 80.38 108 Little Auk Alle alle 98 20.90 109 Common Guillemot Uria aalge 387 82.52 110 Red-throated Diver Gavia stellata 330 70.36 111 Black-throated Diver Gavia arctica 178 37.95 112 Great Northern Diver Gavia immer 287 61.19 113 White-billed Diver Gavia adamsii 48 10.23 114 Black-browed Albatross Thalassarche melanophris 200 42.64 115 Fulmar Fulmarus glacialis 389 82.94 116 Sooty Shearwater Ardenna grisea 126 26.87 117 Manx Shearwater Puffinus puffinus 246 52.45 118 Balearic Shearwater Puffinus mauretanicus 94 20.04 119 Gannet Morus bassanus 405 86.35 120 Cormorant Phalacrocorax carbo 457 97.44 121 Shag Gulosus aristotelis 370 78.89 122 Spoonbill Platalea leucorodia 335 71.43 123 Little Egret Egretta garzetta 444 94.67 124 Great White Egret Ardea alba 387 82.52 125 Grey Heron Ardea cinerea 454 96.80 126 Purple Heron Ardea purpurea 53 11.30 127 Osprey Pandion haliaetus 294 62.69 128 Golden Eagle Aquila chrysaetos 81 17.27 129 Sparrowhawk Accipiter nisus 443 94.46 130 Marsh Harrier Circus aeruginosus 406 86.57 131 Red Kite Milvus milvus 434 92.54 132 White-tailed Eagle Haliaeetus albicilla 114 24.31 133 Buzzard Buteo buteo 457 97.44 134 Barn Owl Tyto alba 371 79.10 135 Little Owl Athene noctua 281 59.91 136 Short-eared Owl Asio flammeus 262 55.86 137 Tawny Owl Strix aluco 364 77.61 138 Kingfisher Alcedo atthis 410 87.42 139 Lesser Spotted Woodpecker Dryobates minor 117 24.95 140 Great Spotted Woodpecker Dendrocopos major 443 94.46 141 Green Woodpecker Picus viridis 395 84.22 142 Kestrel Falco tinnunculus 453 96.59 143 Merlin Falco columbarius 275 58.64 144 Peregrine Falco peregrinus 421 89.77 145 Ring-necked Parakeet Psittacula krameri 290 61.83 146 Jay Garrulus glandarius 447 95.31 147 Magpie Pica pica 460 98.08 148 Jackdaw Coloeus monedula 459 97.87 149 Rook Corvus frugilegus 453 96.59 150 Carrion Crow Corvus corone 460 98.08 151 Hooded Crow Corvus cornix 193 41.15 152 Raven Corvus corax 415 88.49 153 Coal Tit Periparus ater 446 95.10 154 Marsh Tit Poecile palustris 318 67.80 155 Willow Tit Poecile montanus 179 38.17 156 Blue Tit Cyanistes caeruleus 463 98.72 157 Great Tit Parus major 461 98.29 158 Bearded Tit Panurus biarmicus 299 63.75 159 Skylark Alauda arvensis 440 93.82 160 Sand Martin Riparia riparia 426 90.83 161 Swallow Hirundo rustica 437 93.18 162 House Martin Delichon urbicum 432 92.11 163 Cetti's Warbler Cettia cetti 387 82.52 164 Long-tailed Tit Aegithalos caudatus 453 96.59 165 Wood Warbler Phylloscopus sibilatrix 179 38.17 166 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 167 Willow Warbler Phylloscopus trochilus 415 88.49 168 Chiffchaff Phylloscopus collybita 441 94.03 169 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 170 Reed Warbler Acrocephalus scirpaceus 399 85.07 171 Grasshopper Warbler Locustella naevia 264 56.29 172 Blackcap Sylvia atricapilla 437 93.18 173 Garden Warbler Sylvia borin 343 73.13 174 Lesser Whitethroat Curruca curruca 332 70.79 175 Whitethroat Curruca communis 421 89.77 176 Goldcrest Regulus regulus 427 91.04 177 Wren Troglodytes troglodytes 458 97.65 178 Nuthatch Sitta europaea 431 91.90 179 Treecreeper Certhia familiaris 420 89.55 180 Starling Sturnus vulgaris 458 97.65 181 Song Thrush Turdus philomelos 454 96.80 182 Mistle Thrush Turdus viscivorus 437 93.18 183 Redwing Turdus iliacus 443 94.46 184 Blackbird Turdus merula 462 98.51 185 Fieldfare Turdus pilaris 422 89.98 186 Ring Ouzel Turdus torquatus 261 55.65 187 Spotted Flycatcher Muscicapa striata 330 70.36 188 Robin Erithacus rubecula 462 98.51 189 Pied Flycatcher Ficedula hypoleuca 286 60.98 190 Black Redstart Phoenicurus ochruros 230 49.04 191 Redstart Phoenicurus phoenicurus 335 71.43 192 Whinchat Saxicola rubetra 302 64.39 193 Stonechat Saxicola rubicola 432 92.11 194 Wheatear Oenanthe oenanthe 409 87.21 195 Pied Wheatear Oenanthe pleschanka 21 4.48 196 Dipper Cinclus cinclus 289 61.62 197 Tree Sparrow Passer montanus 328 69.94 198 House Sparrow Passer domesticus 458 97.65 199 Dunnock Prunella modularis 462 98.51 200 Yellow Wagtail Motacilla flava 368 78.46 201 Grey Wagtail Motacilla cinerea 440 93.82 202 Pied Wagtail Motacilla alba 460 98.08 203 Meadow Pipit Anthus pratensis 434 92.54 204 Tree Pipit Anthus trivialis 307 65.46 205 Water Pipit Anthus spinoletta 155 33.05 206 Rock Pipit Anthus petrosus 372 79.32 207 Chaffinch Fringilla coelebs 457 97.44 208 Brambling Fringilla montifringilla 310 66.10 209 Bullfinch Pyrrhula pyrrhula 429 91.47 210 Greenfinch Chloris chloris 453 96.59 211 Twite Linaria flavirostris 178 37.95 212 Linnet Linaria cannabina 437 93.18 213 Lesser Redpoll Acanthis cabaret 341 72.71 214 Common Crossbill Loxia curvirostra 263 56.08 215 Goldfinch Carduelis carduelis 454 96.80 216 Siskin Spinus spinus 414 88.27 217 Lapland Bunting Calcarius lapponicus 78 16.63 218 Snow Bunting Plectrophenax nivalis 254 54.16 219 Yellowhammer Emberiza citrinella 407 86.78 220 Reed Bunting Emberiza schoeniclus 439 93.60