Patrick Safford: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 233 of 233 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 Tundra Bean Goose Anser serrirostris 83 17.70 7 White-fronted Goose Anser albifrons 238 50.75 8 Mute Swan Cygnus olor 461 98.29 9 Bewick's Swan Cygnus columbianus 135 28.78 10 Whooper Swan Cygnus cygnus 310 66.10 11 Egyptian Goose Alopochen aegyptiaca 370 78.89 12 Shelduck Tadorna tadorna 441 94.03 13 Mandarin Duck Aix galericulata 310 66.10 14 Garganey Spatula querquedula 282 60.13 15 Shoveler Spatula clypeata 444 94.67 16 Gadwall Mareca strepera 442 94.24 17 Wigeon Mareca penelope 442 94.24 18 Mallard Anas platyrhynchos 461 98.29 19 Pintail Anas acuta 390 83.16 20 Teal Anas crecca 445 94.88 21 Pochard Aythya ferina 426 90.83 22 Tufted Duck Aythya fuligula 457 97.44 23 Eider Somateria mollissima 333 71.00 24 Velvet Scoter Melanitta fusca 171 36.46 25 Common Scoter Melanitta nigra 347 73.99 26 Long-tailed Duck Clangula hyemalis 205 43.71 27 Goldeneye Bucephala clangula 383 81.66 28 Goosander Mergus merganser 390 83.16 29 Red-breasted Merganser Mergus serrator 324 69.08 30 Red Grouse Lagopus lagopus 209 44.56 31 Grey Partridge Perdix perdix 294 62.69 32 Golden Pheasant Chrysolophus pictus 7 1.49 33 Pheasant Phasianus colchicus 454 96.80 34 Red-legged Partridge Alectoris rufa 400 85.29 35 Swift Apus apus 430 91.68 36 Cuckoo Cuculus canorus 382 81.45 37 Rock Dove (Feral Pigeon) Columba livia 403 85.93 38 Stock Dove Columba oenas 416 88.70 39 Woodpigeon Columba palumbus 463 98.72 40 Turtle Dove Streptopelia turtur 172 36.67 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 Black-necked Grebe Podiceps nigricollis 255 54.37 51 Stone-curlew Burhinus oedicnemus 168 35.82 52 Oystercatcher Haematopus ostralegus 448 95.52 53 Avocet Recurvirostra avosetta 394 84.01 54 Grey Plover Pluvialis squatarola 343 73.13 55 Golden Plover Pluvialis apricaria 389 82.94 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 White-tailed Plover Vanellus leucurus 200 42.64 60 Eurasian Whimbrel Numenius phaeopus 349 74.41 61 Curlew Numenius arquata 436 92.96 62 Bar-tailed Godwit Limosa lapponica 368 78.46 63 Black-tailed Godwit Limosa limosa 411 87.63 64 Jack Snipe Lymnocryptes minimus 232 49.47 65 Woodcock Scolopax rusticola 291 62.05 66 Snipe Gallinago gallinago 413 88.06 67 Grey Phalarope Phalaropus fulicarius 114 24.31 68 Common Sandpiper Actitis hypoleucos 397 84.65 69 Green Sandpiper Tringa ochropus 351 74.84 70 Wood Sandpiper Tringa glareola 270 57.57 71 Redshank Tringa totanus 434 92.54 72 Spotted Redshank Tringa erythropus 331 70.58 73 Greenshank Tringa nebularia 382 81.45 74 Turnstone Arenaria interpres 411 87.63 75 Knot Calidris canutus 349 74.41 76 Ruff Calidris pugnax 369 78.68 77 Curlew Sandpiper Calidris ferruginea 260 55.44 78 Long-toed Stint Calidris subminuta 128 27.29 79 Sanderling Calidris alba 369 78.68 80 Dunlin Calidris alpina 418 89.13 81 Purple Sandpiper Calidris maritima 265 56.50 82 Little Stint Calidris minuta 290 61.83 83 Pectoral Sandpiper Calidris melanotos 177 37.74 84 Little Tern Sternula albifrons 286 60.98 85 Caspian Tern Hydroprogne caspia 54 11.51 86 Black Tern Chlidonias niger 167 35.61 87 Arctic Tern Sterna paradisaea 290 61.83 88 Common Tern Sterna hirundo 407 86.78 89 Sandwich Tern Thalasseus sandvicensis 372 79.32 90 Little Gull Hydrocoloeus minutus 281 59.91 91 Kittiwake Rissa tridactyla 382 81.45 92 Black-headed Gull Chroicocephalus ridibundus 460 98.08 93 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 94 Common Gull Larus canus 418 89.13 95 Caspian Gull Larus cachinnans 184 39.23 96 Herring Gull Larus argentatus 457 97.44 97 Yellow-legged Gull Larus michahellis 226 48.19 98 Great Black-backed Gull Larus marinus 433 92.32 99 Lesser Black-backed Gull Larus fuscus 448 95.52 100 Iceland Gull Larus glaucoides 158 33.69 101 Arctic Skua Stercorarius parasiticus 204 43.50 102 Pomarine Skua Stercorarius pomarinus 81 17.27 103 Great Skua Stercorarius skua 216 46.06 104 Puffin Fratercula arctica 305 65.03 105 Black Guillemot Cepphus grylle 206 43.92 106 Razorbill Alca torda 377 80.38 107 Common Guillemot Uria aalge 387 82.52 108 Red-throated Diver Gavia stellata 330 70.36 109 Black-throated Diver Gavia arctica 178 37.95 110 Great Northern Diver Gavia immer 287 61.19 111 Black-browed Albatross Thalassarche melanophris 200 42.64 112 Storm Petrel Hydrobates pelagicus 79 16.84 113 Fulmar Fulmarus glacialis 389 82.94 114 Sooty Shearwater Ardenna grisea 126 26.87 115 Manx Shearwater Puffinus puffinus 246 52.45 116 Black Stork Ciconia nigra 82 17.48 117 Gannet Morus bassanus 405 86.35 118 Cormorant Phalacrocorax carbo 457 97.44 119 Shag Gulosus aristotelis 370 78.89 120 Glossy Ibis Plegadis falcinellus 213 45.42 121 Spoonbill Platalea leucorodia 335 71.43 122 Bittern Botaurus stellaris 294 62.69 123 Little Egret Egretta garzetta 444 94.67 124 Cattle Egret Bubulcus ibis 300 63.97 125 Great White Egret Ardea alba 387 82.52 126 Grey Heron Ardea cinerea 454 96.80 127 Purple Heron Ardea purpurea 53 11.30 128 Osprey Pandion haliaetus 294 62.69 129 Golden Eagle Aquila chrysaetos 81 17.27 130 Sparrowhawk Accipiter nisus 443 94.46 131 Goshawk Accipiter gentilis 195 41.58 132 Marsh Harrier Circus aeruginosus 406 86.57 133 Hen Harrier Circus cyaneus 227 48.40 134 Red Kite Milvus milvus 434 92.54 135 White-tailed Eagle Haliaeetus albicilla 114 24.31 136 Buzzard Buteo buteo 457 97.44 137 Barn Owl Tyto alba 371 79.10 138 Little Owl Athene noctua 281 59.91 139 Short-eared Owl Asio flammeus 262 55.86 140 Tawny Owl Strix aluco 364 77.61 141 Roller Coracias garrulus 113 24.09 142 Kingfisher Alcedo atthis 410 87.42 143 Lesser Spotted Woodpecker Dryobates minor 117 24.95 144 Great Spotted Woodpecker Dendrocopos major 443 94.46 145 Green Woodpecker Picus viridis 395 84.22 146 Kestrel Falco tinnunculus 453 96.59 147 Merlin Falco columbarius 275 58.64 148 Hobby Falco subbuteo 347 73.99 149 Peregrine Falco peregrinus 421 89.77 150 Ring-necked Parakeet Psittacula krameri 290 61.83 151 Red-backed Shrike Lanius collurio 122 26.01 152 Jay Garrulus glandarius 447 95.31 153 Magpie Pica pica 460 98.08 154 Jackdaw Coloeus monedula 459 97.87 155 Rook Corvus frugilegus 453 96.59 156 Carrion Crow Corvus corone 460 98.08 157 Hooded Crow Corvus cornix 193 41.15 158 Raven Corvus corax 415 88.49 159 Coal Tit Periparus ater 446 95.10 160 Crested Tit Lophophanes cristatus 63 13.43 161 Marsh Tit Poecile palustris 318 67.80 162 Willow Tit Poecile montanus 179 38.17 163 Blue Tit Cyanistes caeruleus 463 98.72 164 Great Tit Parus major 461 98.29 165 Bearded Tit Panurus biarmicus 299 63.75 166 Woodlark Lullula arborea 210 44.78 167 Skylark Alauda arvensis 440 93.82 168 Shore Lark Eremophila alpestris 122 26.01 169 Short-toed Lark Calandrella brachydactyla 37 7.89 170 Sand Martin Riparia riparia 426 90.83 171 Swallow Hirundo rustica 437 93.18 172 House Martin Delichon urbicum 432 92.11 173 Cetti's Warbler Cettia cetti 387 82.52 174 Long-tailed Tit Aegithalos caudatus 453 96.59 175 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 176 Willow Warbler Phylloscopus trochilus 415 88.49 177 Chiffchaff Phylloscopus collybita 441 94.03 178 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 179 Reed Warbler Acrocephalus scirpaceus 399 85.07 180 Melodious Warbler Hippolais polyglotta 32 6.82 181 Savi's Warbler Locustella luscinioides 60 12.79 182 Grasshopper Warbler Locustella naevia 264 56.29 183 Blackcap Sylvia atricapilla 437 93.18 184 Garden Warbler Sylvia borin 343 73.13 185 Barred Warbler Curruca nisoria 63 13.43 186 Lesser Whitethroat Curruca curruca 332 70.79 187 Whitethroat Curruca communis 421 89.77 188 Dartford Warbler Curruca undata 184 39.23 189 Goldcrest Regulus regulus 427 91.04 190 Wren Troglodytes troglodytes 458 97.65 191 Nuthatch Sitta europaea 431 91.90 192 Treecreeper Certhia familiaris 420 89.55 193 Rose-coloured Starling Pastor roseus 99 21.11 194 Starling Sturnus vulgaris 458 97.65 195 Song Thrush Turdus philomelos 454 96.80 196 Mistle Thrush Turdus viscivorus 437 93.18 197 Redwing Turdus iliacus 443 94.46 198 Blackbird Turdus merula 462 98.51 199 Fieldfare Turdus pilaris 422 89.98 200 Ring Ouzel Turdus torquatus 261 55.65 201 Spotted Flycatcher Muscicapa striata 330 70.36 202 Robin Erithacus rubecula 462 98.51 203 Nightingale Luscinia megarhynchos 158 33.69 204 Bluethroat Luscinia svecica 83 17.70 205 Pied Flycatcher Ficedula hypoleuca 286 60.98 206 Black Redstart Phoenicurus ochruros 230 49.04 207 Redstart Phoenicurus phoenicurus 335 71.43 208 Whinchat Saxicola rubetra 302 64.39 209 Stonechat Saxicola rubicola 432 92.11 210 Wheatear Oenanthe oenanthe 409 87.21 211 Tree Sparrow Passer montanus 328 69.94 212 House Sparrow Passer domesticus 458 97.65 213 Dunnock Prunella modularis 462 98.51 214 Yellow Wagtail Motacilla flava 368 78.46 215 Grey Wagtail Motacilla cinerea 440 93.82 216 Pied Wagtail Motacilla alba 460 98.08 217 Meadow Pipit Anthus pratensis 434 92.54 218 Tree Pipit Anthus trivialis 307 65.46 219 Rock Pipit Anthus petrosus 372 79.32 220 Chaffinch Fringilla coelebs 457 97.44 221 Brambling Fringilla montifringilla 310 66.10 222 Bullfinch Pyrrhula pyrrhula 429 91.47 223 Greenfinch Chloris chloris 453 96.59 224 Twite Linaria flavirostris 178 37.95 225 Linnet Linaria cannabina 437 93.18 226 Lesser Redpoll Acanthis cabaret 341 72.71 227 Common Crossbill Loxia curvirostra 263 56.08 228 Goldfinch Carduelis carduelis 454 96.80 229 Siskin Spinus spinus 414 88.27 230 Snow Bunting Plectrophenax nivalis 254 54.16 231 Corn Bunting Emberiza calandra 289 61.62 232 Yellowhammer Emberiza citrinella 407 86.78 233 Reed Bunting Emberiza schoeniclus 439 93.60