Liam Andrews: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 279 of 279 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 Green-winged Teal Anas carolinensis 74 15.78 21 Red-crested Pochard Netta rufina 170 36.25 22 Pochard Aythya ferina 426 90.83 23 Ring-necked Duck Aythya collaris 190 40.51 24 Tufted Duck Aythya fuligula 457 97.44 25 Scaup Aythya marila 244 52.03 26 Eider Somateria mollissima 333 71.00 27 Velvet Scoter Melanitta fusca 171 36.46 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 Smew Mergellus albellus 159 33.90 32 Goosander Mergus merganser 390 83.16 33 Red-breasted Merganser Mergus serrator 324 69.08 34 Ruddy Duck Oxyura jamaicensis 35 7.46 35 Red Grouse Lagopus lagopus 209 44.56 36 Grey Partridge Perdix perdix 294 62.69 37 Golden Pheasant Chrysolophus pictus 7 1.49 38 Pheasant Phasianus colchicus 454 96.80 39 Quail Coturnix coturnix 87 18.55 40 Red-legged Partridge Alectoris rufa 400 85.29 41 Nightjar Caprimulgus europaeus 205 43.71 42 Swift Apus apus 430 91.68 43 Cuckoo Cuculus canorus 382 81.45 44 Rock Dove (Feral Pigeon) Columba livia 403 85.93 45 Stock Dove Columba oenas 416 88.70 46 Woodpigeon Columba palumbus 463 98.72 47 Turtle Dove Streptopelia turtur 172 36.67 48 Oriental Turtle Dove Streptopelia orientalis 33 7.04 49 Collared Dove Streptopelia decaocto 453 96.59 50 Water Rail Rallus aquaticus 353 75.27 51 Moorhen Gallinula chloropus 458 97.65 52 Coot Fulica atra 456 97.23 53 Crane Grus grus 199 42.43 54 Little Grebe Tachybaptus ruficollis 443 94.46 55 Red-necked Grebe Podiceps grisegena 141 30.06 56 Great Crested Grebe Podiceps cristatus 447 95.31 57 Slavonian Grebe Podiceps auritus 235 50.11 58 Black-necked Grebe Podiceps nigricollis 255 54.37 59 Stone-curlew Burhinus oedicnemus 168 35.82 60 Oystercatcher Haematopus ostralegus 448 95.52 61 Avocet Recurvirostra avosetta 394 84.01 62 Grey Plover Pluvialis squatarola 343 73.13 63 Golden Plover Pluvialis apricaria 389 82.94 64 Pacific Golden Plover Pluvialis fulva 133 28.36 65 Dotterel Eudromias morinellus 109 23.24 66 Ringed Plover Charadrius hiaticula 399 85.07 67 Little Ringed Plover Charadrius dubius 360 76.76 68 Lapwing Vanellus vanellus 453 96.59 69 White-tailed Plover Vanellus leucurus 200 42.64 70 Kentish Plover Anarhynchus alexandrinus 15 3.20 71 Eurasian Whimbrel Numenius phaeopus 349 74.41 72 Curlew Numenius arquata 436 92.96 73 Bar-tailed Godwit Limosa lapponica 368 78.46 74 Black-tailed Godwit Limosa limosa 411 87.63 75 Jack Snipe Lymnocryptes minimus 232 49.47 76 Woodcock Scolopax rusticola 291 62.05 77 Snipe Gallinago gallinago 413 88.06 78 Grey Phalarope Phalaropus fulicarius 114 24.31 79 Common Sandpiper Actitis hypoleucos 397 84.65 80 Green Sandpiper Tringa ochropus 351 74.84 81 Wood Sandpiper Tringa glareola 270 57.57 82 Redshank Tringa totanus 434 92.54 83 Spotted Redshank Tringa erythropus 331 70.58 84 Greenshank Tringa nebularia 382 81.45 85 Turnstone Arenaria interpres 411 87.63 86 Knot Calidris canutus 349 74.41 87 Ruff Calidris pugnax 369 78.68 88 Curlew Sandpiper Calidris ferruginea 259 55.22 89 Temminck's Stint Calidris temminckii 89 18.98 90 Long-toed Stint Calidris subminuta 128 27.29 91 Sanderling Calidris alba 369 78.68 92 Dunlin Calidris alpina 418 89.13 93 Purple Sandpiper Calidris maritima 265 56.50 94 Little Stint Calidris minuta 290 61.83 95 Little Tern Sternula albifrons 286 60.98 96 Black Tern Chlidonias niger 167 35.61 97 Arctic Tern Sterna paradisaea 290 61.83 98 Common Tern Sterna hirundo 407 86.78 99 Roseate Tern Sterna dougallii 143 30.49 100 Sandwich Tern Thalasseus sandvicensis 372 79.32 101 Little Gull Hydrocoloeus minutus 281 59.91 102 Kittiwake Rissa tridactyla 382 81.45 103 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 104 Black-headed Gull Chroicocephalus ridibundus 460 98.08 105 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 106 Common Gull Larus canus 418 89.13 107 Caspian Gull Larus cachinnans 184 39.23 108 Herring Gull Larus argentatus 457 97.44 109 Yellow-legged Gull Larus michahellis 226 48.19 110 Great Black-backed Gull Larus marinus 433 92.32 111 Glaucous Gull Larus hyperboreus 88 18.76 112 Lesser Black-backed Gull Larus fuscus 448 95.52 113 Iceland Gull Larus glaucoides 158 33.69 114 Long-tailed Skua Stercorarius longicaudus 87 18.55 115 Arctic Skua Stercorarius parasiticus 204 43.50 116 Pomarine Skua Stercorarius pomarinus 81 17.27 117 Great Skua Stercorarius skua 216 46.06 118 Puffin Fratercula arctica 305 65.03 119 Black Guillemot Cepphus grylle 206 43.92 120 Razorbill Alca torda 377 80.38 121 Little Auk Alle alle 98 20.90 122 Brunnich's Guillemot Uria lomvia 16 3.41 123 Common Guillemot Uria aalge 387 82.52 124 Red-throated Diver Gavia stellata 330 70.36 125 Black-throated Diver Gavia arctica 178 37.95 126 Great Northern Diver Gavia immer 287 61.19 127 Black-browed Albatross Thalassarche melanophris 200 42.64 128 Storm Petrel Hydrobates pelagicus 79 16.84 129 Fulmar Fulmarus glacialis 389 82.94 130 Sooty Shearwater Ardenna grisea 126 26.87 131 Manx Shearwater Puffinus puffinus 246 52.45 132 Balearic Shearwater Puffinus mauretanicus 94 20.04 133 Black Stork Ciconia nigra 82 17.48 134 Gannet Morus bassanus 405 86.35 135 Cormorant Phalacrocorax carbo 457 97.44 136 Shag Gulosus aristotelis 370 78.89 137 Glossy Ibis Plegadis falcinellus 213 45.42 138 Spoonbill Platalea leucorodia 335 71.43 139 Bittern Botaurus stellaris 294 62.69 140 Little Egret Egretta garzetta 444 94.67 141 Cattle Egret Bubulcus ibis 300 63.97 142 Great White Egret Ardea alba 387 82.52 143 Grey Heron Ardea cinerea 454 96.80 144 Purple Heron Ardea purpurea 53 11.30 145 Osprey Pandion haliaetus 294 62.69 146 Honey-buzzard Pernis apivorus 83 17.70 147 Sparrowhawk Accipiter nisus 443 94.46 148 Goshawk Accipiter gentilis 195 41.58 149 Marsh Harrier Circus aeruginosus 406 86.57 150 Hen Harrier Circus cyaneus 227 48.40 151 Red Kite Milvus milvus 434 92.54 152 Black Kite Milvus migrans 12 2.56 153 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 Hoopoe Upupa epops 92 19.62 160 Roller Coracias garrulus 113 24.09 161 Kingfisher Alcedo atthis 410 87.42 162 Belted Kingfisher Megaceryle alcyon 93 19.83 163 Bee-eater Merops apiaster 54 11.51 164 Wryneck Jynx torquilla 108 23.03 165 Lesser Spotted Woodpecker Dryobates minor 117 24.95 166 Great Spotted Woodpecker Dendrocopos major 443 94.46 167 Green Woodpecker Picus viridis 395 84.22 168 Kestrel Falco tinnunculus 453 96.59 169 Merlin Falco columbarius 275 58.64 170 Hobby Falco subbuteo 347 73.99 171 Peregrine Falco peregrinus 421 89.77 172 Ring-necked Parakeet Psittacula krameri 290 61.83 173 Red-backed Shrike Lanius collurio 122 26.01 174 Jay Garrulus glandarius 447 95.31 175 Magpie Pica pica 460 98.08 176 Jackdaw Coloeus monedula 459 97.87 177 Rook Corvus frugilegus 453 96.59 178 Carrion Crow Corvus corone 460 98.08 179 Raven Corvus corax 415 88.49 180 Coal Tit Periparus ater 446 95.10 181 Marsh Tit Poecile palustris 318 67.80 182 Willow Tit Poecile montanus 179 38.17 183 Blue Tit Cyanistes caeruleus 463 98.72 184 Great Tit Parus major 461 98.29 185 Bearded Tit Panurus biarmicus 299 63.75 186 Woodlark Lullula arborea 210 44.78 187 Skylark Alauda arvensis 440 93.82 188 Shore Lark Eremophila alpestris 122 26.01 189 Sand Martin Riparia riparia 426 90.83 190 Swallow Hirundo rustica 437 93.18 191 House Martin Delichon urbicum 432 92.11 192 Cetti's Warbler Cettia cetti 387 82.52 193 Long-tailed Tit Aegithalos caudatus 453 96.59 194 Wood Warbler Phylloscopus sibilatrix 179 38.17 195 Western Bonelli's Warbler Phylloscopus bonelli 38 8.10 196 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 197 Dusky Warbler Phylloscopus fuscatus 60 12.79 198 Willow Warbler Phylloscopus trochilus 415 88.49 199 Chiffchaff Phylloscopus collybita 441 94.03 200 Green Warbler Phylloscopus nitidus 91 19.40 201 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 202 Greenish Warbler Phylloscopus trochiloides 12 2.56 203 Arctic Warbler Phylloscopus borealis 29 6.18 204 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 205 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 206 Reed Warbler Acrocephalus scirpaceus 399 85.07 207 Marsh Warbler Acrocephalus palustris 52 11.09 208 Icterine Warbler Hippolais icterina 22 4.69 209 River Warbler Locustella fluviatilis 128 27.29 210 Grasshopper Warbler Locustella naevia 264 56.29 211 Blackcap Sylvia atricapilla 437 93.18 212 Garden Warbler Sylvia borin 343 73.13 213 Barred Warbler Curruca nisoria 63 13.43 214 Lesser Whitethroat Curruca curruca 332 70.79 215 Eastern Subalpine Warbler Curruca cantillans 49 10.45 216 Whitethroat Curruca communis 421 89.77 217 Firecrest Regulus ignicapilla 198 42.22 218 Goldcrest Regulus regulus 427 91.04 219 Wren Troglodytes troglodytes 458 97.65 220 Nuthatch Sitta europaea 431 91.90 221 Treecreeper Certhia familiaris 420 89.55 222 Northern Mockingbird Mimus polyglottos 132 28.14 223 Starling Sturnus vulgaris 458 97.65 224 Song Thrush Turdus philomelos 454 96.80 225 Mistle Thrush Turdus viscivorus 437 93.18 226 Redwing Turdus iliacus 443 94.46 227 Blackbird Turdus merula 462 98.51 228 Fieldfare Turdus pilaris 422 89.98 229 Ring Ouzel Turdus torquatus 261 55.65 230 Spotted Flycatcher Muscicapa striata 330 70.36 231 Robin Erithacus rubecula 462 98.51 232 Nightingale Luscinia megarhynchos 158 33.69 233 Bluethroat Luscinia svecica 83 17.70 234 Red-breasted Flycatcher Ficedula parva 68 14.50 235 Taiga Flycatcher Ficedula albicilla 47 10.02 236 Pied Flycatcher Ficedula hypoleuca 286 60.98 237 Black Redstart Phoenicurus ochruros 230 49.04 238 Redstart Phoenicurus phoenicurus 335 71.43 239 Whinchat Saxicola rubetra 302 64.39 240 Stonechat Saxicola rubicola 432 92.11 241 Wheatear Oenanthe oenanthe 409 87.21 242 Isabelline Wheatear Oenanthe isabellina 25 5.33 243 Dipper Cinclus cinclus 289 61.62 244 Tree Sparrow Passer montanus 328 69.94 245 House Sparrow Passer domesticus 458 97.65 246 Dunnock Prunella modularis 462 98.51 247 Yellow Wagtail Motacilla flava 368 78.46 248 Grey Wagtail Motacilla cinerea 440 93.82 249 Pied Wagtail Motacilla alba 460 98.08 250 Richard's Pipit Anthus richardi 23 4.90 251 Meadow Pipit Anthus pratensis 434 92.54 252 Tree Pipit Anthus trivialis 307 65.46 253 Olive-backed Pipit Anthus hodgsoni 28 5.97 254 Water Pipit Anthus spinoletta 155 33.05 255 Rock Pipit Anthus petrosus 372 79.32 256 Chaffinch Fringilla coelebs 457 97.44 257 Brambling Fringilla montifringilla 310 66.10 258 Hawfinch Coccothraustes coccothraustes 170 36.25 259 Bullfinch Pyrrhula pyrrhula 429 91.47 260 Common Rosefinch Carpodacus erythrinus 69 14.71 261 Greenfinch Chloris chloris 453 96.59 262 Twite Linaria flavirostris 178 37.95 263 Linnet Linaria cannabina 437 93.18 264 Common Redpoll Acanthis flammea 79 16.84 265 Lesser Redpoll Acanthis cabaret 341 72.71 266 Common Crossbill Loxia curvirostra 263 56.08 267 Two-barred Crossbill Loxia leucoptera 22 4.69 268 Goldfinch Carduelis carduelis 454 96.80 269 Siskin Spinus spinus 414 88.27 270 Lapland Bunting Calcarius lapponicus 78 16.63 271 Snow Bunting Plectrophenax nivalis 254 54.16 272 Corn Bunting Emberiza calandra 289 61.62 273 Yellowhammer Emberiza citrinella 407 86.78 274 Ortolan Bunting Emberiza hortulana 4 0.85 275 Cirl Bunting Emberiza cirlus 103 21.96 276 Little Bunting Emberiza pusilla 110 23.45 277 Rustic Bunting Emberiza rustica 54 11.51 278 Reed Bunting Emberiza schoeniclus 439 93.60 279 White-throated Sparrow Zonotrichia albicollis 63 13.43