Nigel Sluman: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 210 of 210 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 Bewick's Swan Cygnus columbianus 135 28.78 9 Whooper Swan Cygnus cygnus 310 66.10 10 Egyptian Goose Alopochen aegyptiaca 370 78.89 11 Shelduck Tadorna tadorna 441 94.03 12 Mandarin Duck Aix galericulata 310 66.10 13 Garganey Spatula querquedula 282 60.13 14 Shoveler Spatula clypeata 444 94.67 15 Gadwall Mareca strepera 442 94.24 16 Wigeon Mareca penelope 442 94.24 17 Mallard Anas platyrhynchos 461 98.29 18 Pintail Anas acuta 390 83.16 19 Teal Anas crecca 445 94.88 20 Red-crested Pochard Netta rufina 170 36.25 21 Pochard Aythya ferina 426 90.83 22 Ring-necked Duck Aythya collaris 190 40.51 23 Tufted Duck Aythya fuligula 457 97.44 24 Scaup Aythya marila 244 52.03 25 Eider Somateria mollissima 333 71.00 26 Velvet Scoter Melanitta fusca 171 36.46 27 Common Scoter Melanitta nigra 347 73.99 28 Long-tailed Duck Clangula hyemalis 205 43.71 29 Goldeneye Bucephala clangula 383 81.66 30 Goosander Mergus merganser 390 83.16 31 Red-breasted Merganser Mergus serrator 324 69.08 32 Ruddy Duck Oxyura jamaicensis 35 7.46 33 Pheasant Phasianus colchicus 454 96.80 34 Quail Coturnix coturnix 87 18.55 35 Red-legged Partridge Alectoris rufa 400 85.29 36 Nightjar Caprimulgus europaeus 205 43.71 37 Swift Apus apus 430 91.68 38 Rock Dove (Feral Pigeon) Columba livia 403 85.93 39 Stock Dove Columba oenas 416 88.70 40 Woodpigeon Columba palumbus 463 98.72 41 Collared Dove Streptopelia decaocto 453 96.59 42 Water Rail Rallus aquaticus 353 75.27 43 Moorhen Gallinula chloropus 458 97.65 44 Coot Fulica atra 456 97.23 45 Crane Grus grus 199 42.43 46 Little Grebe Tachybaptus ruficollis 443 94.46 47 Red-necked Grebe Podiceps grisegena 141 30.06 48 Great Crested Grebe Podiceps cristatus 447 95.31 49 Slavonian Grebe Podiceps auritus 235 50.11 50 Oystercatcher Haematopus ostralegus 448 95.52 51 Black-winged Stilt Himantopus himantopus 82 17.48 52 Avocet Recurvirostra avosetta 394 84.01 53 Grey Plover Pluvialis squatarola 343 73.13 54 Golden Plover Pluvialis apricaria 389 82.94 55 American Golden Plover Pluvialis dominica 73 15.57 56 Ringed Plover Charadrius hiaticula 399 85.07 57 Little Ringed Plover Charadrius dubius 360 76.76 58 Lapwing Vanellus vanellus 453 96.59 59 Eurasian Whimbrel Numenius phaeopus 349 74.41 60 Curlew Numenius arquata 436 92.96 61 Bar-tailed Godwit Limosa lapponica 368 78.46 62 Black-tailed Godwit Limosa limosa 411 87.63 63 Jack Snipe Lymnocryptes minimus 232 49.47 64 Woodcock Scolopax rusticola 291 62.05 65 Snipe Gallinago gallinago 413 88.06 66 Common Sandpiper Actitis hypoleucos 397 84.65 67 Green Sandpiper Tringa ochropus 351 74.84 68 Redshank Tringa totanus 434 92.54 69 Greenshank Tringa nebularia 382 81.45 70 Turnstone Arenaria interpres 411 87.63 71 Ruff Calidris pugnax 369 78.68 72 Temminck's Stint Calidris temminckii 89 18.98 73 Buff-breasted Sandpiper Calidris subruficollis 34 7.25 74 Sanderling Calidris alba 369 78.68 75 Dunlin Calidris alpina 418 89.13 76 Purple Sandpiper Calidris maritima 265 56.50 77 Little Stint Calidris minuta 290 61.83 78 Collared Pratincole Glareola pratincola 60 12.79 79 Little Tern Sternula albifrons 286 60.98 80 Black Tern Chlidonias niger 167 35.61 81 Common Tern Sterna hirundo 407 86.78 82 Sandwich Tern Thalasseus sandvicensis 372 79.32 83 Little Gull Hydrocoloeus minutus 281 59.91 84 Kittiwake Rissa tridactyla 382 81.45 85 Sabine's Gull Xema sabini 38 8.10 86 Black-headed Gull Chroicocephalus ridibundus 460 98.08 87 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 88 Common Gull Larus canus 418 89.13 89 Herring Gull Larus argentatus 457 97.44 90 Yellow-legged Gull Larus michahellis 226 48.19 91 Great Black-backed Gull Larus marinus 433 92.32 92 Glaucous Gull Larus hyperboreus 88 18.76 93 Lesser Black-backed Gull Larus fuscus 448 95.52 94 Long-tailed Skua Stercorarius longicaudus 87 18.55 95 Arctic Skua Stercorarius parasiticus 204 43.50 96 Pomarine Skua Stercorarius pomarinus 81 17.27 97 Great Skua Stercorarius skua 216 46.06 98 Razorbill Alca torda 377 80.38 99 Common Guillemot Uria aalge 387 82.52 100 Red-throated Diver Gavia stellata 330 70.36 101 Great Northern Diver Gavia immer 287 61.19 102 Fulmar Fulmarus glacialis 389 82.94 103 Sooty Shearwater Ardenna grisea 126 26.87 104 Manx Shearwater Puffinus puffinus 246 52.45 105 Balearic Shearwater Puffinus mauretanicus 94 20.04 106 Gannet Morus bassanus 405 86.35 107 Cormorant Phalacrocorax carbo 457 97.44 108 Shag Gulosus aristotelis 370 78.89 109 Glossy Ibis Plegadis falcinellus 213 45.42 110 Spoonbill Platalea leucorodia 335 71.43 111 Bittern Botaurus stellaris 294 62.69 112 Little Egret Egretta garzetta 444 94.67 113 Cattle Egret Bubulcus ibis 300 63.97 114 Great White Egret Ardea alba 387 82.52 115 Grey Heron Ardea cinerea 454 96.80 116 Osprey Pandion haliaetus 294 62.69 117 Sparrowhawk Accipiter nisus 443 94.46 118 Marsh Harrier Circus aeruginosus 406 86.57 119 Red Kite Milvus milvus 434 92.54 120 Buzzard Buteo buteo 457 97.44 121 Barn Owl Tyto alba 371 79.10 122 Little Owl Athene noctua 281 59.91 123 Tawny Owl Strix aluco 364 77.61 124 Kingfisher Alcedo atthis 410 87.42 125 Lesser Spotted Woodpecker Dryobates minor 117 24.95 126 Great Spotted Woodpecker Dendrocopos major 443 94.46 127 Green Woodpecker Picus viridis 395 84.22 128 Kestrel Falco tinnunculus 453 96.59 129 Merlin Falco columbarius 275 58.64 130 Hobby Falco subbuteo 347 73.99 131 Peregrine Falco peregrinus 421 89.77 132 Ring-necked Parakeet Psittacula krameri 290 61.83 133 Jay Garrulus glandarius 447 95.31 134 Magpie Pica pica 460 98.08 135 Chough Pyrrhocorax pyrrhocorax 194 41.36 136 Jackdaw Coloeus monedula 459 97.87 137 Rook Corvus frugilegus 453 96.59 138 Carrion Crow Corvus corone 460 98.08 139 Raven Corvus corax 415 88.49 140 Coal Tit Periparus ater 446 95.10 141 Marsh Tit Poecile palustris 318 67.80 142 Blue Tit Cyanistes caeruleus 463 98.72 143 Great Tit Parus major 461 98.29 144 Penduline Tit Remiz pendulinus 25 5.33 145 Bearded Tit Panurus biarmicus 299 63.75 146 Woodlark Lullula arborea 210 44.78 147 Skylark Alauda arvensis 440 93.82 148 Shore Lark Eremophila alpestris 122 26.01 149 Sand Martin Riparia riparia 426 90.83 150 Swallow Hirundo rustica 437 93.18 151 House Martin Delichon urbicum 432 92.11 152 Cetti's Warbler Cettia cetti 387 82.52 153 Long-tailed Tit Aegithalos caudatus 453 96.59 154 Dusky Warbler Phylloscopus fuscatus 60 12.79 155 Willow Warbler Phylloscopus trochilus 415 88.49 156 Chiffchaff Phylloscopus collybita 441 94.03 157 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 158 Reed Warbler Acrocephalus scirpaceus 399 85.07 159 River Warbler Locustella fluviatilis 128 27.29 160 Savi's Warbler Locustella luscinioides 60 12.79 161 Grasshopper Warbler Locustella naevia 264 56.29 162 Blackcap Sylvia atricapilla 437 93.18 163 Garden Warbler Sylvia borin 343 73.13 164 Barred Warbler Curruca nisoria 63 13.43 165 Lesser Whitethroat Curruca curruca 332 70.79 166 Whitethroat Curruca communis 421 89.77 167 Dartford Warbler Curruca undata 184 39.23 168 Goldcrest Regulus regulus 427 91.04 169 Wren Troglodytes troglodytes 458 97.65 170 Treecreeper Certhia familiaris 420 89.55 171 Rose-coloured Starling Pastor roseus 99 21.11 172 Starling Sturnus vulgaris 458 97.65 173 Song Thrush Turdus philomelos 454 96.80 174 Mistle Thrush Turdus viscivorus 437 93.18 175 Redwing Turdus iliacus 443 94.46 176 Blackbird Turdus merula 462 98.51 177 Fieldfare Turdus pilaris 422 89.98 178 Ring Ouzel Turdus torquatus 261 55.65 179 Rufous-tailed Scrub Robin Cercotrichas galactotes 19 4.05 180 Robin Erithacus rubecula 462 98.51 181 Nightingale Luscinia megarhynchos 158 33.69 182 Black Redstart Phoenicurus ochruros 230 49.04 183 Redstart Phoenicurus phoenicurus 335 71.43 184 Whinchat Saxicola rubetra 302 64.39 185 Stonechat Saxicola rubicola 432 92.11 186 Wheatear Oenanthe oenanthe 409 87.21 187 Dipper Cinclus cinclus 289 61.62 188 Tree Sparrow Passer montanus 328 69.94 189 House Sparrow Passer domesticus 458 97.65 190 Dunnock Prunella modularis 462 98.51 191 Yellow Wagtail Motacilla flava 368 78.46 192 Grey Wagtail Motacilla cinerea 440 93.82 193 Pied Wagtail Motacilla alba 460 98.08 194 Meadow Pipit Anthus pratensis 434 92.54 195 Tree Pipit Anthus trivialis 307 65.46 196 Rock Pipit Anthus petrosus 372 79.32 197 Chaffinch Fringilla coelebs 457 97.44 198 Brambling Fringilla montifringilla 310 66.10 199 Bullfinch Pyrrhula pyrrhula 429 91.47 200 Greenfinch Chloris chloris 453 96.59 201 Linnet Linaria cannabina 437 93.18 202 Lesser Redpoll Acanthis cabaret 341 72.71 203 Common Crossbill Loxia curvirostra 263 56.08 204 Goldfinch Carduelis carduelis 454 96.80 205 Siskin Spinus spinus 414 88.27 206 Snow Bunting Plectrophenax nivalis 254 54.16 207 Corn Bunting Emberiza calandra 289 61.62 208 Yellowhammer Emberiza citrinella 407 86.78 209 Cirl Bunting Emberiza cirlus 103 21.96 210 Reed Bunting Emberiza schoeniclus 439 93.60