Cliff Smith: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 324 of 324 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 359 76.55 2 Red-breasted Goose Branta ruficollis 18 3.84 3 Canada Goose Branta canadensis 460 98.08 4 Barnacle Goose Branta leucopsis 322 68.66 5 Ross's Goose Anser rossii 11 2.35 6 Greylag Goose Anser anser 449 95.74 7 Pink-footed Goose Anser brachyrhynchus 357 76.12 8 Tundra Bean Goose Anser serrirostris 83 17.70 9 White-fronted Goose Anser albifrons 238 50.75 10 Mute Swan Cygnus olor 461 98.29 11 Bewick's Swan Cygnus columbianus 135 28.78 12 Whooper Swan Cygnus cygnus 310 66.10 13 Egyptian Goose Alopochen aegyptiaca 370 78.89 14 Shelduck Tadorna tadorna 441 94.03 15 Mandarin Duck Aix galericulata 310 66.10 16 Baikal Teal Sibirionetta formosa 5 1.07 17 Garganey Spatula querquedula 282 60.13 18 Shoveler Spatula clypeata 444 94.67 19 Gadwall Mareca strepera 442 94.24 20 Wigeon Mareca penelope 442 94.24 21 American Wigeon Mareca americana 68 14.50 22 Mallard Anas platyrhynchos 461 98.29 23 Pintail Anas acuta 390 83.16 24 Teal Anas crecca 445 94.88 25 Green-winged Teal Anas carolinensis 74 15.78 26 Red-crested Pochard Netta rufina 170 36.25 27 Pochard Aythya ferina 426 90.83 28 Ferruginous Duck Aythya nyroca 44 9.38 29 Ring-necked Duck Aythya collaris 190 40.51 30 Tufted Duck Aythya fuligula 457 97.44 31 Scaup Aythya marila 244 52.03 32 Lesser Scaup Aythya affinis 16 3.41 33 King Eider Somateria spectabilis 57 12.15 34 Eider Somateria mollissima 333 71.00 35 Surf Scoter Melanitta perspicillata 53 11.30 36 Velvet Scoter Melanitta fusca 171 36.46 37 Common Scoter Melanitta nigra 347 73.99 38 Long-tailed Duck Clangula hyemalis 205 43.71 39 Bufflehead Bucephala albeola 22 4.69 40 Goldeneye Bucephala clangula 383 81.66 41 Smew Mergellus albellus 159 33.90 42 Goosander Mergus merganser 390 83.16 43 Red-breasted Merganser Mergus serrator 324 69.08 44 Red Grouse Lagopus lagopus 209 44.56 45 Black Grouse Lyrurus tetrix 102 21.75 46 Grey Partridge Perdix perdix 294 62.69 47 Pheasant Phasianus colchicus 454 96.80 48 Quail Coturnix coturnix 87 18.55 49 Red-legged Partridge Alectoris rufa 400 85.29 50 Nightjar Caprimulgus europaeus 205 43.71 51 Swift Apus apus 430 91.68 52 Cuckoo Cuculus canorus 382 81.45 53 Rock Dove (Feral Pigeon) Columba livia 403 85.93 54 Stock Dove Columba oenas 416 88.70 55 Woodpigeon Columba palumbus 463 98.72 56 Turtle Dove Streptopelia turtur 172 36.67 57 Oriental Turtle Dove Streptopelia orientalis 33 7.04 58 Collared Dove Streptopelia decaocto 453 96.59 59 Water Rail Rallus aquaticus 353 75.27 60 Spotted Crake Porzana porzana 18 3.84 61 Moorhen Gallinula chloropus 458 97.65 62 Coot Fulica atra 456 97.23 63 Crane Grus grus 199 42.43 64 Little Grebe Tachybaptus ruficollis 443 94.46 65 Red-necked Grebe Podiceps grisegena 141 30.06 66 Great Crested Grebe Podiceps cristatus 447 95.31 67 Slavonian Grebe Podiceps auritus 235 50.11 68 Black-necked Grebe Podiceps nigricollis 255 54.37 69 Stone-curlew Burhinus oedicnemus 168 35.82 70 Oystercatcher Haematopus ostralegus 448 95.52 71 Black-winged Stilt Himantopus himantopus 82 17.48 72 Avocet Recurvirostra avosetta 394 84.01 73 Grey Plover Pluvialis squatarola 343 73.13 74 Golden Plover Pluvialis apricaria 389 82.94 75 Pacific Golden Plover Pluvialis fulva 133 28.36 76 American Golden Plover Pluvialis dominica 73 15.57 77 Dotterel Eudromias morinellus 109 23.24 78 Ringed Plover Charadrius hiaticula 399 85.07 79 Little Ringed Plover Charadrius dubius 360 76.76 80 Lapwing Vanellus vanellus 453 96.59 81 White-tailed Plover Vanellus leucurus 200 42.64 82 Eurasian Whimbrel Numenius phaeopus 349 74.41 83 Curlew Numenius arquata 436 92.96 84 Bar-tailed Godwit Limosa lapponica 368 78.46 85 Black-tailed Godwit Limosa limosa 411 87.63 86 Jack Snipe Lymnocryptes minimus 232 49.47 87 Woodcock Scolopax rusticola 291 62.05 88 Snipe Gallinago gallinago 413 88.06 89 Grey Phalarope Phalaropus fulicarius 114 24.31 90 Common Sandpiper Actitis hypoleucos 397 84.65 91 Spotted Sandpiper Actitis macularius 25 5.33 92 Green Sandpiper Tringa ochropus 351 74.84 93 Wood Sandpiper Tringa glareola 270 57.57 94 Redshank Tringa totanus 434 92.54 95 Lesser Yellowlegs Tringa flavipes 45 9.59 96 Spotted Redshank Tringa erythropus 331 70.58 97 Greenshank Tringa nebularia 382 81.45 98 Turnstone Arenaria interpres 411 87.63 99 Knot Calidris canutus 349 74.41 100 Ruff Calidris pugnax 369 78.68 101 Curlew Sandpiper Calidris ferruginea 259 55.22 102 Temminck's Stint Calidris temminckii 89 18.98 103 Long-toed Stint Calidris subminuta 128 27.29 104 Red-necked Stint Calidris ruficollis 58 12.37 105 Sanderling Calidris alba 369 78.68 106 Dunlin Calidris alpina 418 89.13 107 Purple Sandpiper Calidris maritima 265 56.50 108 Little Stint Calidris minuta 290 61.83 109 Pectoral Sandpiper Calidris melanotos 177 37.74 110 Western Sandpiper Calidris mauri 59 12.58 111 Semipalmated Sandpiper Calidris pusilla 38 8.10 112 Collared Pratincole Glareola pratincola 60 12.79 113 Little Tern Sternula albifrons 286 60.98 114 Whiskered Tern Chlidonias hybrida 35 7.46 115 Black Tern Chlidonias niger 167 35.61 116 Arctic Tern Sterna paradisaea 290 61.83 117 Common Tern Sterna hirundo 407 86.78 118 Roseate Tern Sterna dougallii 143 30.49 119 Sandwich Tern Thalasseus sandvicensis 372 79.32 120 Elegant Tern Thalasseus elegans 84 17.91 121 Little Gull Hydrocoloeus minutus 281 59.91 122 Kittiwake Rissa tridactyla 382 81.45 123 Sabine's Gull Xema sabini 38 8.10 124 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 125 Black-headed Gull Chroicocephalus ridibundus 460 98.08 126 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 127 Common Gull Larus canus 418 89.13 128 Ring-billed Gull Larus delawarensis 21 4.48 129 Caspian Gull Larus cachinnans 184 39.23 130 Herring Gull Larus argentatus 457 97.44 131 Yellow-legged Gull Larus michahellis 226 48.19 132 Great Black-backed Gull Larus marinus 433 92.32 133 Lesser Black-backed Gull Larus fuscus 448 95.52 134 American Herring Gull Larus smithsonianus 51 10.87 135 Iceland Gull Larus glaucoides 158 33.69 136 Long-tailed Skua Stercorarius longicaudus 87 18.55 137 Arctic Skua Stercorarius parasiticus 204 43.50 138 Pomarine Skua Stercorarius pomarinus 81 17.27 139 Great Skua Stercorarius skua 216 46.06 140 Puffin Fratercula arctica 305 65.03 141 Black Guillemot Cepphus grylle 206 43.92 142 Razorbill Alca torda 377 80.38 143 Little Auk Alle alle 98 20.90 144 Common Guillemot Uria aalge 387 82.52 145 Red-throated Diver Gavia stellata 330 70.36 146 Black-throated Diver Gavia arctica 178 37.95 147 Pacific Diver Gavia pacifica 30 6.40 148 Great Northern Diver Gavia immer 287 61.19 149 White-billed Diver Gavia adamsii 48 10.23 150 Wilson's Petrel Oceanites oceanicus 16 3.41 151 Black-browed Albatross Thalassarche melanophris 200 42.64 152 Storm Petrel Hydrobates pelagicus 79 16.84 153 Fulmar Fulmarus glacialis 389 82.94 154 Cory's Shearwater Calonectris borealis 12 2.56 155 Sooty Shearwater Ardenna grisea 126 26.87 156 Great Shearwater Ardenna gravis 38 8.10 157 Manx Shearwater Puffinus puffinus 246 52.45 158 Balearic Shearwater Puffinus mauretanicus 94 20.04 159 Black Stork Ciconia nigra 82 17.48 160 White Stork Ciconia ciconia 64 13.65 161 Gannet Morus bassanus 405 86.35 162 Cormorant Phalacrocorax carbo 457 97.44 163 Shag Gulosus aristotelis 370 78.89 164 Glossy Ibis Plegadis falcinellus 213 45.42 165 Spoonbill Platalea leucorodia 335 71.43 166 Bittern Botaurus stellaris 294 62.69 167 Night-heron Nycticorax nycticorax 18 3.84 168 Little Egret Egretta garzetta 444 94.67 169 Cattle Egret Bubulcus ibis 300 63.97 170 Great White Egret Ardea alba 387 82.52 171 Grey Heron Ardea cinerea 454 96.80 172 Purple Heron Ardea purpurea 53 11.30 173 Osprey Pandion haliaetus 294 62.69 174 Honey-buzzard Pernis apivorus 83 17.70 175 Sparrowhawk Accipiter nisus 443 94.46 176 Goshawk Accipiter gentilis 195 41.58 177 Marsh Harrier Circus aeruginosus 406 86.57 178 Hen Harrier Circus cyaneus 227 48.40 179 Montagu's Harrier Circus pygargus 22 4.69 180 Red Kite Milvus milvus 434 92.54 181 White-tailed Eagle Haliaeetus albicilla 114 24.31 182 Buzzard Buteo buteo 457 97.44 183 Barn Owl Tyto alba 371 79.10 184 Little Owl Athene noctua 281 59.91 185 Long-eared Owl Asio otus 113 24.09 186 Short-eared Owl Asio flammeus 262 55.86 187 Tawny Owl Strix aluco 364 77.61 188 Hoopoe Upupa epops 92 19.62 189 Roller Coracias garrulus 113 24.09 190 Kingfisher Alcedo atthis 410 87.42 191 Belted Kingfisher Megaceryle alcyon 93 19.83 192 Wryneck Jynx torquilla 108 23.03 193 Lesser Spotted Woodpecker Dryobates minor 117 24.95 194 Great Spotted Woodpecker Dendrocopos major 443 94.46 195 Green Woodpecker Picus viridis 395 84.22 196 Kestrel Falco tinnunculus 453 96.59 197 Red-footed Falcon Falco vespertinus 32 6.82 198 Merlin Falco columbarius 275 58.64 199 Hobby Falco subbuteo 347 73.99 200 Peregrine Falco peregrinus 421 89.77 201 Ring-necked Parakeet Psittacula krameri 290 61.83 202 Red-eyed Vireo Vireo olivaceus 26 5.54 203 Golden Oriole Oriolus oriolus 57 12.15 204 Great Grey Shrike Lanius excubitor 67 14.29 205 Woodchat Shrike Lanius senator 99 21.11 206 Red-backed Shrike Lanius collurio 122 26.01 207 Brown Shrike Lanius cristatus 15 3.20 208 Jay Garrulus glandarius 447 95.31 209 Magpie Pica pica 460 98.08 210 Chough Pyrrhocorax pyrrhocorax 194 41.36 211 Jackdaw Coloeus monedula 459 97.87 212 Rook Corvus frugilegus 453 96.59 213 Carrion Crow Corvus corone 460 98.08 214 Hooded Crow Corvus cornix 193 41.15 215 Raven Corvus corax 415 88.49 216 Coal Tit Periparus ater 446 95.10 217 Marsh Tit Poecile palustris 318 67.80 218 Willow Tit Poecile montanus 179 38.17 219 Blue Tit Cyanistes caeruleus 463 98.72 220 Great Tit Parus major 461 98.29 221 Penduline Tit Remiz pendulinus 25 5.33 222 Bearded Tit Panurus biarmicus 299 63.75 223 Woodlark Lullula arborea 210 44.78 224 Skylark Alauda arvensis 440 93.82 225 Shore Lark Eremophila alpestris 122 26.01 226 Sand Martin Riparia riparia 426 90.83 227 Swallow Hirundo rustica 437 93.18 228 House Martin Delichon urbicum 432 92.11 229 Red-rumped Swallow Cecropis daurica 23 4.90 230 Cetti's Warbler Cettia cetti 387 82.52 231 Long-tailed Tit Aegithalos caudatus 453 96.59 232 Western Bonelli's Warbler Phylloscopus bonelli 38 8.10 233 Hume's Warbler Phylloscopus humei 5 1.07 234 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 235 Radde's Warbler Phylloscopus schwarzi 21 4.48 236 Sulphur-bellied Warbler Phylloscopus griseolus 4 0.85 237 Dusky Warbler Phylloscopus fuscatus 60 12.79 238 Willow Warbler Phylloscopus trochilus 415 88.49 239 Chiffchaff Phylloscopus collybita 441 94.03 240 Green Warbler Phylloscopus nitidus 91 19.40 241 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 242 Arctic Warbler Phylloscopus borealis 29 6.18 243 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 244 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 245 Reed Warbler Acrocephalus scirpaceus 399 85.07 246 Marsh Warbler Acrocephalus palustris 52 11.09 247 Booted Warbler Iduna caligata 2 0.43 248 Lanceolated Warbler Locustella lanceolata 2 0.43 249 River Warbler Locustella fluviatilis 128 27.29 250 Savi's Warbler Locustella luscinioides 60 12.79 251 Grasshopper Warbler Locustella naevia 264 56.29 252 Blackcap Sylvia atricapilla 437 93.18 253 Garden Warbler Sylvia borin 343 73.13 254 Barred Warbler Curruca nisoria 63 13.43 255 Lesser Whitethroat Curruca curruca 332 70.79 256 Western Subalpine Warbler Curruca iberiae 11 2.35 257 Eastern Subalpine Warbler Curruca cantillans 49 10.45 258 Whitethroat Curruca communis 421 89.77 259 Dartford Warbler Curruca undata 184 39.23 260 Firecrest Regulus ignicapilla 198 42.22 261 Goldcrest Regulus regulus 427 91.04 262 Wren Troglodytes troglodytes 458 97.65 263 Nuthatch Sitta europaea 431 91.90 264 Treecreeper Certhia familiaris 420 89.55 265 Northern Mockingbird Mimus polyglottos 132 28.14 266 Rose-coloured Starling Pastor roseus 99 21.11 267 Starling Sturnus vulgaris 458 97.65 268 Varied Thrush Ixoreus naevius 14 2.99 269 Song Thrush Turdus philomelos 454 96.80 270 Mistle Thrush Turdus viscivorus 437 93.18 271 Redwing Turdus iliacus 443 94.46 272 Blackbird Turdus merula 462 98.51 273 Fieldfare Turdus pilaris 422 89.98 274 Ring Ouzel Turdus torquatus 261 55.65 275 Rufous-tailed Scrub Robin Cercotrichas galactotes 19 4.05 276 Spotted Flycatcher Muscicapa striata 330 70.36 277 Robin Erithacus rubecula 462 98.51 278 Nightingale Luscinia megarhynchos 158 33.69 279 Bluethroat Luscinia svecica 83 17.70 280 Red-breasted Flycatcher Ficedula parva 68 14.50 281 Taiga Flycatcher Ficedula albicilla 47 10.02 282 Pied Flycatcher Ficedula hypoleuca 286 60.98 283 Black Redstart Phoenicurus ochruros 230 49.04 284 Redstart Phoenicurus phoenicurus 335 71.43 285 Whinchat Saxicola rubetra 302 64.39 286 Stonechat Saxicola rubicola 432 92.11 287 Wheatear Oenanthe oenanthe 409 87.21 288 Dipper Cinclus cinclus 289 61.62 289 Tree Sparrow Passer montanus 328 69.94 290 House Sparrow Passer domesticus 458 97.65 291 Dunnock Prunella modularis 462 98.51 292 Yellow Wagtail Motacilla flava 368 78.46 293 Eastern Yellow Wagtail Motacilla tschutschensis 23 4.90 294 Citrine Wagtail Motacilla citreola 11 2.35 295 Grey Wagtail Motacilla cinerea 440 93.82 296 Pied Wagtail Motacilla alba 460 98.08 297 Tawny Pipit Anthus campestris 14 2.99 298 Meadow Pipit Anthus pratensis 434 92.54 299 Tree Pipit Anthus trivialis 307 65.46 300 Olive-backed Pipit Anthus hodgsoni 28 5.97 301 Water Pipit Anthus spinoletta 155 33.05 302 Rock Pipit Anthus petrosus 372 79.32 303 Chaffinch Fringilla coelebs 457 97.44 304 Brambling Fringilla montifringilla 310 66.10 305 Hawfinch Coccothraustes coccothraustes 170 36.25 306 Bullfinch Pyrrhula pyrrhula 429 91.47 307 Common Rosefinch Carpodacus erythrinus 69 14.71 308 Greenfinch Chloris chloris 453 96.59 309 Twite Linaria flavirostris 178 37.95 310 Linnet Linaria cannabina 437 93.18 311 Common Redpoll Acanthis flammea 79 16.84 312 Lesser Redpoll Acanthis cabaret 341 72.71 313 Common Crossbill Loxia curvirostra 263 56.08 314 Goldfinch Carduelis carduelis 454 96.80 315 Siskin Spinus spinus 414 88.27 316 Lapland Bunting Calcarius lapponicus 78 16.63 317 Snow Bunting Plectrophenax nivalis 254 54.16 318 Corn Bunting Emberiza calandra 289 61.62 319 Yellowhammer Emberiza citrinella 407 86.78 320 Cirl Bunting Emberiza cirlus 103 21.96 321 Little Bunting Emberiza pusilla 110 23.45 322 Rustic Bunting Emberiza rustica 54 11.51 323 Reed Bunting Emberiza schoeniclus 439 93.60 324 White-throated Sparrow Zonotrichia albicollis 63 13.43