James Johnstone: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 261 of 261 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 Ross's Goose Anser rossii 11 2.35 5 Snow Goose Anser caerulescens 32 6.82 6 Greylag Goose Anser anser 449 95.74 7 Taiga Bean Goose Anser fabalis 36 7.68 8 Pink-footed Goose Anser brachyrhynchus 357 76.12 9 White-fronted Goose Anser albifrons 238 50.75 10 Mute Swan Cygnus olor 461 98.29 11 Whooper Swan Cygnus cygnus 310 66.10 12 Egyptian Goose Alopochen aegyptiaca 370 78.89 13 Shelduck Tadorna tadorna 441 94.03 14 Mandarin Duck Aix galericulata 310 66.10 15 Garganey Spatula querquedula 282 60.13 16 Shoveler Spatula clypeata 444 94.67 17 Gadwall Mareca strepera 442 94.24 18 Wigeon Mareca penelope 442 94.24 19 Mallard Anas platyrhynchos 461 98.29 20 Pintail Anas acuta 390 83.16 21 Teal Anas crecca 445 94.88 22 Green-winged Teal Anas carolinensis 74 15.78 23 Pochard Aythya ferina 426 90.83 24 Ring-necked Duck Aythya collaris 190 40.51 25 Tufted Duck Aythya fuligula 457 97.44 26 Scaup Aythya marila 244 52.03 27 King Eider Somateria spectabilis 57 12.15 28 Eider Somateria mollissima 333 71.00 29 Surf Scoter Melanitta perspicillata 53 11.30 30 Velvet Scoter Melanitta fusca 171 36.46 31 White-winged Scoter Melanitta deglandi 20 4.26 32 Common Scoter Melanitta nigra 347 73.99 33 Long-tailed Duck Clangula hyemalis 205 43.71 34 Goldeneye Bucephala clangula 383 81.66 35 Smew Mergellus albellus 159 33.90 36 Hooded Merganser Lophodytes cucullatus 13 2.77 37 Goosander Mergus merganser 390 83.16 38 Red-breasted Merganser Mergus serrator 324 69.08 39 Red Grouse Lagopus lagopus 209 44.56 40 Black Grouse Lyrurus tetrix 102 21.75 41 Grey Partridge Perdix perdix 294 62.69 42 Pheasant Phasianus colchicus 454 96.80 43 Quail Coturnix coturnix 87 18.55 44 Red-legged Partridge Alectoris rufa 400 85.29 45 Nightjar Caprimulgus europaeus 205 43.71 46 Swift Apus apus 430 91.68 47 Pacific Swift Apus pacificus 10 2.13 48 Cuckoo Cuculus canorus 382 81.45 49 Rock Dove (Feral Pigeon) Columba livia 403 85.93 50 Stock Dove Columba oenas 416 88.70 51 Woodpigeon Columba palumbus 463 98.72 52 Turtle Dove Streptopelia turtur 172 36.67 53 Collared Dove Streptopelia decaocto 453 96.59 54 Water Rail Rallus aquaticus 353 75.27 55 Moorhen Gallinula chloropus 458 97.65 56 Coot Fulica atra 456 97.23 57 Crane Grus grus 199 42.43 58 Little Grebe Tachybaptus ruficollis 443 94.46 59 Pied-billed Grebe Podilymbus podiceps 21 4.48 60 Red-necked Grebe Podiceps grisegena 141 30.06 61 Great Crested Grebe Podiceps cristatus 447 95.31 62 Slavonian Grebe Podiceps auritus 235 50.11 63 Black-necked Grebe Podiceps nigricollis 255 54.37 64 Stone-curlew Burhinus oedicnemus 168 35.82 65 Oystercatcher Haematopus ostralegus 448 95.52 66 Avocet Recurvirostra avosetta 394 84.01 67 Grey Plover Pluvialis squatarola 343 73.13 68 Golden Plover Pluvialis apricaria 389 82.94 69 American Golden Plover Pluvialis dominica 73 15.57 70 Dotterel Eudromias morinellus 109 23.24 71 Ringed Plover Charadrius hiaticula 399 85.07 72 Little Ringed Plover Charadrius dubius 360 76.76 73 Lapwing Vanellus vanellus 453 96.59 74 White-tailed Plover Vanellus leucurus 200 42.64 75 Eurasian Whimbrel Numenius phaeopus 349 74.41 76 Curlew Numenius arquata 436 92.96 77 Bar-tailed Godwit Limosa lapponica 368 78.46 78 Black-tailed Godwit Limosa limosa 411 87.63 79 Jack Snipe Lymnocryptes minimus 232 49.47 80 Woodcock Scolopax rusticola 291 62.05 81 Snipe Gallinago gallinago 413 88.06 82 Red-necked Phalarope Phalaropus lobatus 65 13.86 83 Common Sandpiper Actitis hypoleucos 397 84.65 84 Spotted Sandpiper Actitis macularius 25 5.33 85 Green Sandpiper Tringa ochropus 351 74.84 86 Wood Sandpiper Tringa glareola 270 57.57 87 Redshank Tringa totanus 434 92.54 88 Lesser Yellowlegs Tringa flavipes 45 9.59 89 Spotted Redshank Tringa erythropus 331 70.58 90 Greenshank Tringa nebularia 382 81.45 91 Greater Yellowlegs Tringa melanoleuca 14 2.99 92 Turnstone Arenaria interpres 411 87.63 93 Knot Calidris canutus 349 74.41 94 Ruff Calidris pugnax 369 78.68 95 Curlew Sandpiper Calidris ferruginea 259 55.22 96 Long-toed Stint Calidris subminuta 128 27.29 97 Red-necked Stint Calidris ruficollis 58 12.37 98 Sanderling Calidris alba 369 78.68 99 Dunlin Calidris alpina 418 89.13 100 Purple Sandpiper Calidris maritima 265 56.50 101 Little Stint Calidris minuta 290 61.83 102 Pectoral Sandpiper Calidris melanotos 177 37.74 103 Little Tern Sternula albifrons 286 60.98 104 Black Tern Chlidonias niger 167 35.61 105 Arctic Tern Sterna paradisaea 290 61.83 106 Common Tern Sterna hirundo 407 86.78 107 Roseate Tern Sterna dougallii 143 30.49 108 Sandwich Tern Thalasseus sandvicensis 372 79.32 109 Elegant Tern Thalasseus elegans 84 17.91 110 Little Gull Hydrocoloeus minutus 281 59.91 111 Kittiwake Rissa tridactyla 382 81.45 112 Black-headed Gull Chroicocephalus ridibundus 460 98.08 113 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 114 Common Gull Larus canus 418 89.13 115 Ring-billed Gull Larus delawarensis 21 4.48 116 Herring Gull Larus argentatus 457 97.44 117 Great Black-backed Gull Larus marinus 433 92.32 118 Lesser Black-backed Gull Larus fuscus 448 95.52 119 Iceland Gull Larus glaucoides 158 33.69 120 Long-tailed Skua Stercorarius longicaudus 87 18.55 121 Arctic Skua Stercorarius parasiticus 204 43.50 122 Pomarine Skua Stercorarius pomarinus 81 17.27 123 Great Skua Stercorarius skua 216 46.06 124 Puffin Fratercula arctica 305 65.03 125 Black Guillemot Cepphus grylle 206 43.92 126 Razorbill Alca torda 377 80.38 127 Common Guillemot Uria aalge 387 82.52 128 Red-throated Diver Gavia stellata 330 70.36 129 Black-throated Diver Gavia arctica 178 37.95 130 Great Northern Diver Gavia immer 287 61.19 131 Black-browed Albatross Thalassarche melanophris 200 42.64 132 Fulmar Fulmarus glacialis 389 82.94 133 Manx Shearwater Puffinus puffinus 246 52.45 134 Gannet Morus bassanus 405 86.35 135 Cormorant Phalacrocorax carbo 457 97.44 136 Shag Gulosus aristotelis 370 78.89 137 Spoonbill Platalea leucorodia 335 71.43 138 Bittern Botaurus stellaris 294 62.69 139 Little Egret Egretta garzetta 444 94.67 140 Cattle Egret Bubulcus ibis 300 63.97 141 Great White Egret Ardea alba 387 82.52 142 Grey Heron Ardea cinerea 454 96.80 143 Osprey Pandion haliaetus 294 62.69 144 Honey-buzzard Pernis apivorus 83 17.70 145 Golden Eagle Aquila chrysaetos 81 17.27 146 Sparrowhawk Accipiter nisus 443 94.46 147 Goshawk Accipiter gentilis 195 41.58 148 Marsh Harrier Circus aeruginosus 406 86.57 149 Hen Harrier Circus cyaneus 227 48.40 150 Red Kite Milvus milvus 434 92.54 151 Black Kite Milvus migrans 12 2.56 152 White-tailed Eagle Haliaeetus albicilla 114 24.31 153 Buzzard Buteo buteo 457 97.44 154 Barn Owl Tyto alba 371 79.10 155 Little Owl Athene noctua 281 59.91 156 Long-eared Owl Asio otus 113 24.09 157 Short-eared Owl Asio flammeus 262 55.86 158 Tawny Owl Strix aluco 364 77.61 159 Kingfisher Alcedo atthis 410 87.42 160 Great Spotted Woodpecker Dendrocopos major 443 94.46 161 Green Woodpecker Picus viridis 395 84.22 162 Kestrel Falco tinnunculus 453 96.59 163 Merlin Falco columbarius 275 58.64 164 Hobby Falco subbuteo 347 73.99 165 Peregrine Falco peregrinus 421 89.77 166 Ring-necked Parakeet Psittacula krameri 290 61.83 167 Red-eyed Vireo Vireo olivaceus 26 5.54 168 Woodchat Shrike Lanius senator 99 21.11 169 Red-backed Shrike Lanius collurio 122 26.01 170 Jay Garrulus glandarius 447 95.31 171 Magpie Pica pica 460 98.08 172 Chough Pyrrhocorax pyrrhocorax 194 41.36 173 Jackdaw Coloeus monedula 459 97.87 174 Rook Corvus frugilegus 453 96.59 175 Carrion Crow Corvus corone 460 98.08 176 Hooded Crow Corvus cornix 193 41.15 177 Raven Corvus corax 415 88.49 178 Coal Tit Periparus ater 446 95.10 179 Marsh Tit Poecile palustris 318 67.80 180 Willow Tit Poecile montanus 179 38.17 181 Blue Tit Cyanistes caeruleus 463 98.72 182 Great Tit Parus major 461 98.29 183 Bearded Tit Panurus biarmicus 299 63.75 184 Woodlark Lullula arborea 210 44.78 185 Skylark Alauda arvensis 440 93.82 186 Sand Martin Riparia riparia 426 90.83 187 Swallow Hirundo rustica 437 93.18 188 House Martin Delichon urbicum 432 92.11 189 Cetti's Warbler Cettia cetti 387 82.52 190 Long-tailed Tit Aegithalos caudatus 453 96.59 191 Wood Warbler Phylloscopus sibilatrix 179 38.17 192 Pallas's Warbler Phylloscopus proregulus 15 3.20 193 Willow Warbler Phylloscopus trochilus 415 88.49 194 Chiffchaff Phylloscopus collybita 441 94.03 195 Arctic Warbler Phylloscopus borealis 29 6.18 196 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 197 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 198 Reed Warbler Acrocephalus scirpaceus 399 85.07 199 Icterine Warbler Hippolais icterina 22 4.69 200 River Warbler Locustella fluviatilis 128 27.29 201 Savi's Warbler Locustella luscinioides 60 12.79 202 Grasshopper Warbler Locustella naevia 264 56.29 203 Blackcap Sylvia atricapilla 437 93.18 204 Garden Warbler Sylvia borin 343 73.13 205 Lesser Whitethroat Curruca curruca 332 70.79 206 Eastern Subalpine Warbler Curruca cantillans 49 10.45 207 Whitethroat Curruca communis 421 89.77 208 Dartford Warbler Curruca undata 184 39.23 209 Goldcrest Regulus regulus 427 91.04 210 Wren Troglodytes troglodytes 458 97.65 211 Nuthatch Sitta europaea 431 91.90 212 Treecreeper Certhia familiaris 420 89.55 213 Northern Mockingbird Mimus polyglottos 132 28.14 214 Rose-coloured Starling Pastor roseus 99 21.11 215 Starling Sturnus vulgaris 458 97.65 216 Song Thrush Turdus philomelos 454 96.80 217 Mistle Thrush Turdus viscivorus 437 93.18 218 Redwing Turdus iliacus 443 94.46 219 Blackbird Turdus merula 462 98.51 220 Fieldfare Turdus pilaris 422 89.98 221 Ring Ouzel Turdus torquatus 261 55.65 222 Spotted Flycatcher Muscicapa striata 330 70.36 223 Robin Erithacus rubecula 462 98.51 224 Nightingale Luscinia megarhynchos 158 33.69 225 Bluethroat Luscinia svecica 83 17.70 226 Pied Flycatcher Ficedula hypoleuca 286 60.98 227 Black Redstart Phoenicurus ochruros 230 49.04 228 Redstart Phoenicurus phoenicurus 335 71.43 229 Whinchat Saxicola rubetra 302 64.39 230 Stonechat Saxicola rubicola 432 92.11 231 Wheatear Oenanthe oenanthe 409 87.21 232 Isabelline Wheatear Oenanthe isabellina 25 5.33 233 Pied Wheatear Oenanthe pleschanka 21 4.48 234 Dipper Cinclus cinclus 289 61.62 235 Tree Sparrow Passer montanus 328 69.94 236 House Sparrow Passer domesticus 458 97.65 237 Dunnock Prunella modularis 462 98.51 238 Yellow Wagtail Motacilla flava 368 78.46 239 Grey Wagtail Motacilla cinerea 440 93.82 240 Pied Wagtail Motacilla alba 460 98.08 241 Meadow Pipit Anthus pratensis 434 92.54 242 Tree Pipit Anthus trivialis 307 65.46 243 Water Pipit Anthus spinoletta 155 33.05 244 Rock Pipit Anthus petrosus 372 79.32 245 Chaffinch Fringilla coelebs 457 97.44 246 Brambling Fringilla montifringilla 310 66.10 247 Hawfinch Coccothraustes coccothraustes 170 36.25 248 Bullfinch Pyrrhula pyrrhula 429 91.47 249 Greenfinch Chloris chloris 453 96.59 250 Twite Linaria flavirostris 178 37.95 251 Linnet Linaria cannabina 437 93.18 252 Lesser Redpoll Acanthis cabaret 341 72.71 253 Scottish Crossbill Loxia scotica 21 4.48 254 Common Crossbill Loxia curvirostra 263 56.08 255 Goldfinch Carduelis carduelis 454 96.80 256 Siskin Spinus spinus 414 88.27 257 Snow Bunting Plectrophenax nivalis 254 54.16 258 Corn Bunting Emberiza calandra 289 61.62 259 Yellowhammer Emberiza citrinella 407 86.78 260 Little Bunting Emberiza pusilla 110 23.45 261 Reed Bunting Emberiza schoeniclus 439 93.60