Jonathan Nasir: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 250 of 250 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 Egyptian Goose Alopochen aegyptiaca 370 78.89 10 Shelduck Tadorna tadorna 441 94.03 11 Mandarin Duck Aix galericulata 310 66.10 12 Garganey Spatula querquedula 282 60.13 13 Shoveler Spatula clypeata 444 94.67 14 Gadwall Mareca strepera 442 94.24 15 Wigeon Mareca penelope 442 94.24 16 Mallard Anas platyrhynchos 461 98.29 17 Pintail Anas acuta 390 83.16 18 Teal Anas crecca 445 94.88 19 Red-crested Pochard Netta rufina 170 36.25 20 Pochard Aythya ferina 426 90.83 21 Tufted Duck Aythya fuligula 457 97.44 22 Scaup Aythya marila 244 52.03 23 King Eider Somateria spectabilis 57 12.15 24 Eider Somateria mollissima 333 71.00 25 Velvet Scoter Melanitta fusca 171 36.46 26 Common Scoter Melanitta nigra 347 73.99 27 Black Scoter Melanitta americana 8 1.71 28 Long-tailed Duck Clangula hyemalis 205 43.71 29 Goldeneye Bucephala clangula 383 81.66 30 Smew Mergellus albellus 159 33.90 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 Grey Partridge Perdix perdix 294 62.69 35 Pheasant Phasianus colchicus 454 96.80 36 Quail Coturnix coturnix 87 18.55 37 Red-legged Partridge Alectoris rufa 400 85.29 38 Swift Apus apus 430 91.68 39 Cuckoo Cuculus canorus 382 81.45 40 Rock Dove (Feral Pigeon) Columba livia 403 85.93 41 Stock Dove Columba oenas 416 88.70 42 Woodpigeon Columba palumbus 463 98.72 43 Turtle Dove Streptopelia turtur 172 36.67 44 Collared Dove Streptopelia decaocto 453 96.59 45 Water Rail Rallus aquaticus 353 75.27 46 Spotted Crake Porzana porzana 18 3.84 47 Moorhen Gallinula chloropus 458 97.65 48 Coot Fulica atra 456 97.23 49 Little Grebe Tachybaptus ruficollis 443 94.46 50 Red-necked Grebe Podiceps grisegena 141 30.06 51 Great Crested Grebe Podiceps cristatus 447 95.31 52 Slavonian Grebe Podiceps auritus 235 50.11 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 Pacific Golden Plover Pluvialis fulva 133 28.36 58 Dotterel Eudromias morinellus 109 23.24 59 Ringed Plover Charadrius hiaticula 399 85.07 60 Little Ringed Plover Charadrius dubius 360 76.76 61 Lapwing Vanellus vanellus 453 96.59 62 White-tailed Plover Vanellus leucurus 200 42.64 63 Eurasian Whimbrel Numenius phaeopus 349 74.41 64 Curlew Numenius arquata 436 92.96 65 Bar-tailed Godwit Limosa lapponica 368 78.46 66 Black-tailed Godwit Limosa limosa 411 87.63 67 Jack Snipe Lymnocryptes minimus 232 49.47 68 Woodcock Scolopax rusticola 291 62.05 69 Snipe Gallinago gallinago 413 88.06 70 Grey Phalarope Phalaropus fulicarius 114 24.31 71 Common Sandpiper Actitis hypoleucos 397 84.65 72 Green Sandpiper Tringa ochropus 351 74.84 73 Wood Sandpiper Tringa glareola 270 57.57 74 Redshank Tringa totanus 434 92.54 75 Lesser Yellowlegs Tringa flavipes 45 9.59 76 Spotted Redshank Tringa erythropus 331 70.58 77 Greenshank Tringa nebularia 382 81.45 78 Turnstone Arenaria interpres 411 87.63 79 Knot Calidris canutus 349 74.41 80 Ruff Calidris pugnax 369 78.68 81 Curlew Sandpiper Calidris ferruginea 260 55.44 82 Temminck's Stint Calidris temminckii 89 18.98 83 Long-toed Stint Calidris subminuta 128 27.29 84 Buff-breasted Sandpiper Calidris subruficollis 34 7.25 85 Sanderling Calidris alba 369 78.68 86 Dunlin Calidris alpina 418 89.13 87 Purple Sandpiper Calidris maritima 265 56.50 88 Little Stint Calidris minuta 290 61.83 89 Pectoral Sandpiper Calidris melanotos 177 37.74 90 Little Tern Sternula albifrons 286 60.98 91 Whiskered Tern Chlidonias hybrida 35 7.46 92 Arctic Tern Sterna paradisaea 290 61.83 93 Common Tern Sterna hirundo 407 86.78 94 Sandwich Tern Thalasseus sandvicensis 372 79.32 95 Elegant Tern Thalasseus elegans 84 17.91 96 Little Gull Hydrocoloeus minutus 281 59.91 97 Kittiwake Rissa tridactyla 382 81.45 98 Sabine's Gull Xema sabini 38 8.10 99 Black-headed Gull Chroicocephalus ridibundus 460 98.08 100 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 101 Common Gull Larus canus 418 89.13 102 Herring Gull Larus argentatus 457 97.44 103 Great Black-backed Gull Larus marinus 433 92.32 104 Glaucous Gull Larus hyperboreus 88 18.76 105 Lesser Black-backed Gull Larus fuscus 448 95.52 106 Arctic Skua Stercorarius parasiticus 204 43.50 107 Great Skua Stercorarius skua 216 46.06 108 Puffin Fratercula arctica 305 65.03 109 Black Guillemot Cepphus grylle 206 43.92 110 Razorbill Alca torda 377 80.38 111 Common Guillemot Uria aalge 387 82.52 112 Red-throated Diver Gavia stellata 330 70.36 113 Great Northern Diver Gavia immer 287 61.19 114 Wilson's Petrel Oceanites oceanicus 16 3.41 115 Black-browed Albatross Thalassarche melanophris 200 42.64 116 Storm Petrel Hydrobates pelagicus 79 16.84 117 Fulmar Fulmarus glacialis 389 82.94 118 Cory's Shearwater Calonectris borealis 12 2.56 119 Sooty Shearwater Ardenna grisea 126 26.87 120 Great Shearwater Ardenna gravis 38 8.10 121 Manx Shearwater Puffinus puffinus 246 52.45 122 Black Stork Ciconia nigra 82 17.48 123 White Stork Ciconia ciconia 64 13.65 124 Gannet Morus bassanus 405 86.35 125 Cormorant Phalacrocorax carbo 457 97.44 126 Shag Gulosus aristotelis 370 78.89 127 Glossy Ibis Plegadis falcinellus 213 45.42 128 Spoonbill Platalea leucorodia 335 71.43 129 Bittern Botaurus stellaris 294 62.69 130 Little Egret Egretta garzetta 444 94.67 131 Cattle Egret Bubulcus ibis 300 63.97 132 Great White Egret Ardea alba 387 82.52 133 Grey Heron Ardea cinerea 454 96.80 134 Osprey Pandion haliaetus 294 62.69 135 Sparrowhawk Accipiter nisus 443 94.46 136 Goshawk Accipiter gentilis 195 41.58 137 Marsh Harrier Circus aeruginosus 406 86.57 138 Red Kite Milvus milvus 434 92.54 139 Buzzard Buteo buteo 457 97.44 140 Barn Owl Tyto alba 371 79.10 141 Little Owl Athene noctua 281 59.91 142 Short-eared Owl Asio flammeus 262 55.86 143 Tawny Owl Strix aluco 364 77.61 144 Roller Coracias garrulus 113 24.09 145 Kingfisher Alcedo atthis 410 87.42 146 Belted Kingfisher Megaceryle alcyon 93 19.83 147 Bee-eater Merops apiaster 54 11.51 148 Lesser Spotted Woodpecker Dryobates minor 117 24.95 149 Great Spotted Woodpecker Dendrocopos major 443 94.46 150 Green Woodpecker Picus viridis 395 84.22 151 Kestrel Falco tinnunculus 453 96.59 152 Merlin Falco columbarius 275 58.64 153 Hobby Falco subbuteo 347 73.99 154 Peregrine Falco peregrinus 421 89.77 155 Ring-necked Parakeet Psittacula krameri 290 61.83 156 Woodchat Shrike Lanius senator 99 21.11 157 Red-backed Shrike Lanius collurio 122 26.01 158 Jay Garrulus glandarius 447 95.31 159 Magpie Pica pica 460 98.08 160 Chough Pyrrhocorax pyrrhocorax 194 41.36 161 Jackdaw Coloeus monedula 459 97.87 162 Rook Corvus frugilegus 453 96.59 163 Carrion Crow Corvus corone 460 98.08 164 Hooded Crow Corvus cornix 193 41.15 165 Raven Corvus corax 415 88.49 166 Coal Tit Periparus ater 446 95.10 167 Marsh Tit Poecile palustris 318 67.80 168 Blue Tit Cyanistes caeruleus 463 98.72 169 Great Tit Parus major 461 98.29 170 Bearded Tit Panurus biarmicus 299 63.75 171 Woodlark Lullula arborea 210 44.78 172 Skylark Alauda arvensis 440 93.82 173 Shore Lark Eremophila alpestris 122 26.01 174 Short-toed Lark Calandrella brachydactyla 37 7.89 175 Sand Martin Riparia riparia 426 90.83 176 Swallow Hirundo rustica 437 93.18 177 House Martin Delichon urbicum 432 92.11 178 Cetti's Warbler Cettia cetti 387 82.52 179 Long-tailed Tit Aegithalos caudatus 453 96.59 180 Wood Warbler Phylloscopus sibilatrix 179 38.17 181 Western Bonelli's Warbler Phylloscopus bonelli 38 8.10 182 Dusky Warbler Phylloscopus fuscatus 60 12.79 183 Willow Warbler Phylloscopus trochilus 415 88.49 184 Chiffchaff Phylloscopus collybita 441 94.03 185 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 186 Greenish Warbler Phylloscopus trochiloides 12 2.56 187 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 188 Reed Warbler Acrocephalus scirpaceus 399 85.07 189 River Warbler Locustella fluviatilis 128 27.29 190 Savi's Warbler Locustella luscinioides 60 12.79 191 Grasshopper Warbler Locustella naevia 264 56.29 192 Blackcap Sylvia atricapilla 437 93.18 193 Garden Warbler Sylvia borin 343 73.13 194 Lesser Whitethroat Curruca curruca 332 70.79 195 Eastern Subalpine Warbler Curruca cantillans 49 10.45 196 Whitethroat Curruca communis 421 89.77 197 Dartford Warbler Curruca undata 184 39.23 198 Firecrest Regulus ignicapilla 198 42.22 199 Goldcrest Regulus regulus 427 91.04 200 Wren Troglodytes troglodytes 458 97.65 201 Nuthatch Sitta europaea 431 91.90 202 Treecreeper Certhia familiaris 420 89.55 203 Northern Mockingbird Mimus polyglottos 132 28.14 204 Rose-coloured Starling Pastor roseus 99 21.11 205 Starling Sturnus vulgaris 458 97.65 206 Song Thrush Turdus philomelos 454 96.80 207 Mistle Thrush Turdus viscivorus 437 93.18 208 Redwing Turdus iliacus 443 94.46 209 Blackbird Turdus merula 462 98.51 210 Fieldfare Turdus pilaris 422 89.98 211 Ring Ouzel Turdus torquatus 261 55.65 212 Spotted Flycatcher Muscicapa striata 330 70.36 213 Robin Erithacus rubecula 462 98.51 214 Nightingale Luscinia megarhynchos 158 33.69 215 Red-breasted Flycatcher Ficedula parva 68 14.50 216 Taiga Flycatcher Ficedula albicilla 47 10.02 217 Pied Flycatcher Ficedula hypoleuca 286 60.98 218 Black Redstart Phoenicurus ochruros 230 49.04 219 Redstart Phoenicurus phoenicurus 335 71.43 220 Whinchat Saxicola rubetra 302 64.39 221 Stonechat Saxicola rubicola 432 92.11 222 Wheatear Oenanthe oenanthe 409 87.21 223 Dipper Cinclus cinclus 289 61.62 224 Tree Sparrow Passer montanus 328 69.94 225 House Sparrow Passer domesticus 458 97.65 226 Dunnock Prunella modularis 462 98.51 227 Yellow Wagtail Motacilla flava 368 78.46 228 Grey Wagtail Motacilla cinerea 440 93.82 229 Pied Wagtail Motacilla alba 460 98.08 230 Meadow Pipit Anthus pratensis 434 92.54 231 Tree Pipit Anthus trivialis 307 65.46 232 Water Pipit Anthus spinoletta 155 33.05 233 Rock Pipit Anthus petrosus 372 79.32 234 Chaffinch Fringilla coelebs 457 97.44 235 Brambling Fringilla montifringilla 310 66.10 236 Hawfinch Coccothraustes coccothraustes 170 36.25 237 Bullfinch Pyrrhula pyrrhula 429 91.47 238 Common Rosefinch Carpodacus erythrinus 69 14.71 239 Greenfinch Chloris chloris 453 96.59 240 Twite Linaria flavirostris 178 37.95 241 Linnet Linaria cannabina 437 93.18 242 Lesser Redpoll Acanthis cabaret 341 72.71 243 Common Crossbill Loxia curvirostra 263 56.08 244 Goldfinch Carduelis carduelis 454 96.80 245 Siskin Spinus spinus 414 88.27 246 Snow Bunting Plectrophenax nivalis 254 54.16 247 Corn Bunting Emberiza calandra 289 61.62 248 Yellowhammer Emberiza citrinella 407 86.78 249 Reed Bunting Emberiza schoeniclus 439 93.60 250 White-throated Sparrow Zonotrichia albicollis 63 13.43