Neil Sainthouse: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 287 of 287 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 Taiga Bean Goose Anser fabalis 36 7.68 6 Pink-footed Goose Anser brachyrhynchus 357 76.12 7 Tundra Bean Goose Anser serrirostris 83 17.70 8 White-fronted Goose Anser albifrons 238 50.75 9 Mute Swan Cygnus olor 461 98.29 10 Bewick's Swan Cygnus columbianus 135 28.78 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 American Wigeon Mareca americana 68 14.50 20 Mallard Anas platyrhynchos 461 98.29 21 Pintail Anas acuta 390 83.16 22 Teal Anas crecca 445 94.88 23 Green-winged Teal Anas carolinensis 74 15.78 24 Red-crested Pochard Netta rufina 170 36.25 25 Pochard Aythya ferina 426 90.83 26 Ring-necked Duck Aythya collaris 190 40.51 27 Tufted Duck Aythya fuligula 457 97.44 28 Scaup Aythya marila 244 52.03 29 Eider Somateria mollissima 333 71.00 30 Surf Scoter Melanitta perspicillata 53 11.30 31 Velvet Scoter Melanitta fusca 171 36.46 32 White-winged/Stejneger's Scoter Melanitta deglandi/stejnegeri 7 1.49 33 Common Scoter Melanitta nigra 347 73.99 34 Long-tailed Duck Clangula hyemalis 205 43.71 35 Goldeneye Bucephala clangula 383 81.66 36 Smew Mergellus albellus 159 33.90 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 Capercaillie Tetrao urogallus 18 3.84 41 Black Grouse Lyrurus tetrix 102 21.75 42 Grey Partridge Perdix perdix 294 62.69 43 Pheasant Phasianus colchicus 454 96.80 44 Red-legged Partridge Alectoris rufa 400 85.29 45 Nightjar Caprimulgus europaeus 205 43.71 46 Swift Apus apus 430 91.68 47 Cuckoo Cuculus canorus 382 81.45 48 Rock Dove (Feral Pigeon) Columba livia 403 85.93 49 Stock Dove Columba oenas 416 88.70 50 Woodpigeon Columba palumbus 463 98.72 51 Turtle Dove Streptopelia turtur 172 36.67 52 Oriental Turtle Dove Streptopelia orientalis 33 7.04 53 Collared Dove Streptopelia decaocto 453 96.59 54 Water Rail Rallus aquaticus 353 75.27 55 Corncrake Crex crex 26 5.54 56 Moorhen Gallinula chloropus 458 97.65 57 Coot Fulica atra 456 97.23 58 Crane Grus grus 199 42.43 59 Little Grebe Tachybaptus ruficollis 443 94.46 60 Great Crested Grebe Podiceps cristatus 447 95.31 61 Slavonian Grebe Podiceps auritus 235 50.11 62 Black-necked Grebe Podiceps nigricollis 255 54.37 63 Stone-curlew Burhinus oedicnemus 168 35.82 64 Oystercatcher Haematopus ostralegus 448 95.52 65 Black-winged Stilt Himantopus himantopus 82 17.48 66 Avocet Recurvirostra avosetta 394 84.01 67 Grey Plover Pluvialis squatarola 343 73.13 68 Golden Plover Pluvialis apricaria 389 82.94 69 Pacific Golden Plover Pluvialis fulva 133 28.36 70 American Golden Plover Pluvialis dominica 73 15.57 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 Kentish Plover Anarhynchus alexandrinus 15 3.20 76 Eurasian Whimbrel Numenius phaeopus 349 74.41 77 Curlew Numenius arquata 436 92.96 78 Bar-tailed Godwit Limosa lapponica 368 78.46 79 Black-tailed Godwit Limosa limosa 411 87.63 80 Jack Snipe Lymnocryptes minimus 232 49.47 81 Woodcock Scolopax rusticola 291 62.05 82 Snipe Gallinago gallinago 413 88.06 83 Wilson's Phalarope Phalaropus tricolor 42 8.96 84 Grey Phalarope Phalaropus fulicarius 114 24.31 85 Common Sandpiper Actitis hypoleucos 397 84.65 86 Green Sandpiper Tringa ochropus 351 74.84 87 Wood Sandpiper Tringa glareola 270 57.57 88 Redshank Tringa totanus 434 92.54 89 Spotted Redshank Tringa erythropus 331 70.58 90 Greenshank Tringa nebularia 382 81.45 91 Turnstone Arenaria interpres 411 87.63 92 Knot Calidris canutus 349 74.41 93 Ruff Calidris pugnax 369 78.68 94 Curlew Sandpiper Calidris ferruginea 259 55.22 95 Temminck's Stint Calidris temminckii 89 18.98 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 Baird's Sandpiper Calidris bairdii 20 4.26 101 Little Stint Calidris minuta 290 61.83 102 Pectoral Sandpiper Calidris melanotos 177 37.74 103 Western Sandpiper Calidris mauri 59 12.58 104 Collared Pratincole Glareola pratincola 60 12.79 105 Little Tern Sternula albifrons 286 60.98 106 Black Tern Chlidonias niger 167 35.61 107 Arctic Tern Sterna paradisaea 290 61.83 108 Common Tern Sterna hirundo 407 86.78 109 Roseate Tern Sterna dougallii 143 30.49 110 Sandwich Tern Thalasseus sandvicensis 372 79.32 111 Elegant Tern Thalasseus elegans 84 17.91 112 Little Gull Hydrocoloeus minutus 281 59.91 113 Kittiwake Rissa tridactyla 382 81.45 114 Sabine's Gull Xema sabini 38 8.10 115 Black-headed Gull Chroicocephalus ridibundus 460 98.08 116 Franklin's Gull Leucophaeus pipixcan 33 7.04 117 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 118 Common Gull Larus canus 418 89.13 119 Caspian Gull Larus cachinnans 184 39.23 120 Herring Gull Larus argentatus 457 97.44 121 Yellow-legged Gull Larus michahellis 226 48.19 122 Great Black-backed Gull Larus marinus 433 92.32 123 Lesser Black-backed Gull Larus fuscus 448 95.52 124 American Herring Gull Larus smithsonianus 51 10.87 125 Iceland Gull Larus glaucoides 158 33.69 126 Long-tailed Skua Stercorarius longicaudus 87 18.55 127 Arctic Skua Stercorarius parasiticus 204 43.50 128 Great Skua Stercorarius skua 216 46.06 129 Puffin Fratercula arctica 305 65.03 130 Black Guillemot Cepphus grylle 206 43.92 131 Razorbill Alca torda 377 80.38 132 Little Auk Alle alle 98 20.90 133 Brunnich's Guillemot Uria lomvia 16 3.41 134 Common Guillemot Uria aalge 387 82.52 135 Red-throated Diver Gavia stellata 330 70.36 136 Black-throated Diver Gavia arctica 178 37.95 137 Great Northern Diver Gavia immer 287 61.19 138 Black-browed Albatross Thalassarche melanophris 200 42.64 139 Leach's Petrel Hydrobates leucorhous 19 4.05 140 Fulmar Fulmarus glacialis 389 82.94 141 Manx Shearwater Puffinus puffinus 246 52.45 142 Black Stork Ciconia nigra 82 17.48 143 Gannet Morus bassanus 405 86.35 144 Cormorant Phalacrocorax carbo 457 97.44 145 Shag Gulosus aristotelis 370 78.89 146 Glossy Ibis Plegadis falcinellus 213 45.42 147 Spoonbill Platalea leucorodia 335 71.43 148 Bittern Botaurus stellaris 294 62.69 149 Little Egret Egretta garzetta 444 94.67 150 Cattle Egret Bubulcus ibis 300 63.97 151 Great White Egret Ardea alba 387 82.52 152 Grey Heron Ardea cinerea 454 96.80 153 Purple Heron Ardea purpurea 53 11.30 154 Osprey Pandion haliaetus 294 62.69 155 Honey-buzzard Pernis apivorus 83 17.70 156 Golden Eagle Aquila chrysaetos 81 17.27 157 Sparrowhawk Accipiter nisus 443 94.46 158 Goshawk Accipiter gentilis 195 41.58 159 Marsh Harrier Circus aeruginosus 406 86.57 160 Hen Harrier Circus cyaneus 227 48.40 161 Red Kite Milvus milvus 434 92.54 162 Black Kite Milvus migrans 12 2.56 163 White-tailed Eagle Haliaeetus albicilla 114 24.31 164 Rough-legged Buzzard Buteo lagopus 2 0.43 165 Buzzard Buteo buteo 457 97.44 166 Barn Owl Tyto alba 371 79.10 167 Little Owl Athene noctua 281 59.91 168 Long-eared Owl Asio otus 113 24.09 169 Short-eared Owl Asio flammeus 262 55.86 170 Tawny Owl Strix aluco 364 77.61 171 Roller Coracias garrulus 113 24.09 172 Kingfisher Alcedo atthis 410 87.42 173 Belted Kingfisher Megaceryle alcyon 93 19.83 174 Bee-eater Merops apiaster 54 11.51 175 Lesser Spotted Woodpecker Dryobates minor 117 24.95 176 Great Spotted Woodpecker Dendrocopos major 443 94.46 177 Green Woodpecker Picus viridis 395 84.22 178 Kestrel Falco tinnunculus 453 96.59 179 Red-footed Falcon Falco vespertinus 32 6.82 180 Merlin Falco columbarius 275 58.64 181 Hobby Falco subbuteo 347 73.99 182 Peregrine Falco peregrinus 421 89.77 183 Ring-necked Parakeet Psittacula krameri 290 61.83 184 Golden Oriole Oriolus oriolus 57 12.15 185 Great Grey Shrike Lanius excubitor 67 14.29 186 Lesser Grey Shrike Lanius minor 28 5.97 187 Woodchat Shrike Lanius senator 99 21.11 188 Red-backed Shrike Lanius collurio 122 26.01 189 Jay Garrulus glandarius 447 95.31 190 Magpie Pica pica 460 98.08 191 Chough Pyrrhocorax pyrrhocorax 194 41.36 192 Jackdaw Coloeus monedula 459 97.87 193 Rook Corvus frugilegus 453 96.59 194 Carrion Crow Corvus corone 460 98.08 195 Hooded Crow Corvus cornix 193 41.15 196 Raven Corvus corax 415 88.49 197 Coal Tit Periparus ater 446 95.10 198 Crested Tit Lophophanes cristatus 63 13.43 199 Marsh Tit Poecile palustris 318 67.80 200 Willow Tit Poecile montanus 179 38.17 201 Blue Tit Cyanistes caeruleus 463 98.72 202 Great Tit Parus major 461 98.29 203 Bearded Tit Panurus biarmicus 299 63.75 204 Woodlark Lullula arborea 210 44.78 205 Skylark Alauda arvensis 440 93.82 206 Shore Lark Eremophila alpestris 122 26.01 207 Sand Martin Riparia riparia 426 90.83 208 Swallow Hirundo rustica 437 93.18 209 House Martin Delichon urbicum 432 92.11 210 Cetti's Warbler Cettia cetti 387 82.52 211 Long-tailed Tit Aegithalos caudatus 453 96.59 212 Wood Warbler Phylloscopus sibilatrix 179 38.17 213 Willow Warbler Phylloscopus trochilus 415 88.49 214 Chiffchaff Phylloscopus collybita 441 94.03 215 Green Warbler Phylloscopus nitidus 91 19.40 216 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 217 Arctic Warbler Phylloscopus borealis 29 6.18 218 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 219 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 220 Reed Warbler Acrocephalus scirpaceus 399 85.07 221 River Warbler Locustella fluviatilis 128 27.29 222 Savi's Warbler Locustella luscinioides 60 12.79 223 Grasshopper Warbler Locustella naevia 264 56.29 224 Blackcap Sylvia atricapilla 437 93.18 225 Garden Warbler Sylvia borin 343 73.13 226 Lesser Whitethroat Curruca curruca 332 70.79 227 Eastern Subalpine Warbler Curruca cantillans 49 10.45 228 Whitethroat Curruca communis 421 89.77 229 Dartford Warbler Curruca undata 184 39.23 230 Firecrest Regulus ignicapilla 198 42.22 231 Goldcrest Regulus regulus 427 91.04 232 Wren Troglodytes troglodytes 458 97.65 233 Nuthatch Sitta europaea 431 91.90 234 Treecreeper Certhia familiaris 420 89.55 235 Northern Mockingbird Mimus polyglottos 132 28.14 236 Rose-coloured Starling Pastor roseus 99 21.11 237 Starling Sturnus vulgaris 458 97.65 238 Song Thrush Turdus philomelos 454 96.80 239 Mistle Thrush Turdus viscivorus 437 93.18 240 Redwing Turdus iliacus 443 94.46 241 Blackbird Turdus merula 462 98.51 242 Fieldfare Turdus pilaris 422 89.98 243 Ring Ouzel Turdus torquatus 261 55.65 244 Spotted Flycatcher Muscicapa striata 330 70.36 245 Robin Erithacus rubecula 462 98.51 246 Bluethroat Luscinia svecica 83 17.70 247 Taiga Flycatcher Ficedula albicilla 47 10.02 248 Pied Flycatcher Ficedula hypoleuca 286 60.98 249 Red-flanked Bluetail Tarsiger cyanurus 52 11.09 250 Black Redstart Phoenicurus ochruros 230 49.04 251 Redstart Phoenicurus phoenicurus 335 71.43 252 Whinchat Saxicola rubetra 302 64.39 253 Stonechat Saxicola rubicola 432 92.11 254 Wheatear Oenanthe oenanthe 409 87.21 255 Isabelline Wheatear Oenanthe isabellina 25 5.33 256 Pied Wheatear Oenanthe pleschanka 21 4.48 257 Dipper Cinclus cinclus 289 61.62 258 Tree Sparrow Passer montanus 328 69.94 259 House Sparrow Passer domesticus 458 97.65 260 Dunnock Prunella modularis 462 98.51 261 Yellow Wagtail Motacilla flava 368 78.46 262 Grey Wagtail Motacilla cinerea 440 93.82 263 Pied Wagtail Motacilla alba 460 98.08 264 Meadow Pipit Anthus pratensis 434 92.54 265 Tree Pipit Anthus trivialis 307 65.46 266 Red-throated Pipit Anthus cervinus 9 1.92 267 Water Pipit Anthus spinoletta 155 33.05 268 Rock Pipit Anthus petrosus 372 79.32 269 Chaffinch Fringilla coelebs 457 97.44 270 Brambling Fringilla montifringilla 310 66.10 271 Hawfinch Coccothraustes coccothraustes 170 36.25 272 Bullfinch Pyrrhula pyrrhula 429 91.47 273 Greenfinch Chloris chloris 453 96.59 274 Twite Linaria flavirostris 178 37.95 275 Linnet Linaria cannabina 437 93.18 276 Lesser Redpoll Acanthis cabaret 341 72.71 277 Scottish Crossbill Loxia scotica 21 4.48 278 Common Crossbill Loxia curvirostra 263 56.08 279 Two-barred Crossbill Loxia leucoptera 22 4.69 280 Goldfinch Carduelis carduelis 454 96.80 281 Siskin Spinus spinus 414 88.27 282 Lapland Bunting Calcarius lapponicus 78 16.63 283 Snow Bunting Plectrophenax nivalis 254 54.16 284 Corn Bunting Emberiza calandra 289 61.62 285 Yellowhammer Emberiza citrinella 407 86.78 286 Little Bunting Emberiza pusilla 110 23.45 287 Reed Bunting Emberiza schoeniclus 439 93.60