Simon Knight: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 219 of 219 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 Pochard Aythya ferina 426 90.83 20 Tufted Duck Aythya fuligula 457 97.44 21 Eider Somateria mollissima 333 71.00 22 Velvet Scoter Melanitta fusca 171 36.46 23 Common Scoter Melanitta nigra 347 73.99 24 Long-tailed Duck Clangula hyemalis 205 43.71 25 Goldeneye Bucephala clangula 383 81.66 26 Goosander Mergus merganser 390 83.16 27 Red-breasted Merganser Mergus serrator 324 69.08 28 Red Grouse Lagopus lagopus 209 44.56 29 Black Grouse Lyrurus tetrix 102 21.75 30 Grey Partridge Perdix perdix 294 62.69 31 Pheasant Phasianus colchicus 454 96.80 32 Red-legged Partridge Alectoris rufa 400 85.29 33 Swift Apus apus 430 91.68 34 Cuckoo Cuculus canorus 382 81.45 35 Rock Dove (Feral Pigeon) Columba livia 403 85.93 36 Stock Dove Columba oenas 416 88.70 37 Woodpigeon Columba palumbus 463 98.72 38 Collared Dove Streptopelia decaocto 453 96.59 39 Water Rail Rallus aquaticus 353 75.27 40 Moorhen Gallinula chloropus 458 97.65 41 Coot Fulica atra 456 97.23 42 Crane Grus grus 199 42.43 43 Little Grebe Tachybaptus ruficollis 443 94.46 44 Pied-billed Grebe Podilymbus podiceps 21 4.48 45 Great Crested Grebe Podiceps cristatus 447 95.31 46 Slavonian Grebe Podiceps auritus 235 50.11 47 Stone-curlew Burhinus oedicnemus 168 35.82 48 Oystercatcher Haematopus ostralegus 448 95.52 49 Avocet Recurvirostra avosetta 394 84.01 50 Grey Plover Pluvialis squatarola 343 73.13 51 Golden Plover Pluvialis apricaria 389 82.94 52 American Golden Plover Pluvialis dominica 73 15.57 53 Dotterel Eudromias morinellus 109 23.24 54 Ringed Plover Charadrius hiaticula 399 85.07 55 Lapwing Vanellus vanellus 453 96.59 56 White-tailed Plover Vanellus leucurus 200 42.64 57 Eurasian Whimbrel Numenius phaeopus 349 74.41 58 Curlew Numenius arquata 436 92.96 59 Bar-tailed Godwit Limosa lapponica 368 78.46 60 Black-tailed Godwit Limosa limosa 411 87.63 61 Long-billed Dowitcher Limnodromus scolopaceus 42 8.96 62 Jack Snipe Lymnocryptes minimus 232 49.47 63 Snipe Gallinago gallinago 413 88.06 64 Wilson's Phalarope Phalaropus tricolor 42 8.96 65 Red-necked Phalarope Phalaropus lobatus 65 13.86 66 Common Sandpiper Actitis hypoleucos 397 84.65 67 Spotted Sandpiper Actitis macularius 25 5.33 68 Green Sandpiper Tringa ochropus 351 74.84 69 Wood Sandpiper Tringa glareola 270 57.57 70 Redshank Tringa totanus 434 92.54 71 Spotted Redshank Tringa erythropus 331 70.58 72 Greenshank Tringa nebularia 382 81.45 73 Turnstone Arenaria interpres 411 87.63 74 Knot Calidris canutus 349 74.41 75 Ruff Calidris pugnax 369 78.68 76 Curlew Sandpiper Calidris ferruginea 260 55.44 77 Sanderling Calidris alba 369 78.68 78 Dunlin Calidris alpina 418 89.13 79 Purple Sandpiper Calidris maritima 265 56.50 80 Little Stint Calidris minuta 290 61.83 81 Pectoral Sandpiper Calidris melanotos 177 37.74 82 Little Tern Sternula albifrons 286 60.98 83 Arctic Tern Sterna paradisaea 290 61.83 84 Common Tern Sterna hirundo 407 86.78 85 Roseate Tern Sterna dougallii 143 30.49 86 Sandwich Tern Thalasseus sandvicensis 372 79.32 87 Elegant Tern Thalasseus elegans 84 17.91 88 Little Gull Hydrocoloeus minutus 281 59.91 89 Kittiwake Rissa tridactyla 382 81.45 90 Black-headed Gull Chroicocephalus ridibundus 460 98.08 91 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 92 Common Gull Larus canus 418 89.13 93 Herring Gull Larus argentatus 457 97.44 94 Yellow-legged Gull Larus michahellis 226 48.19 95 Great Black-backed Gull Larus marinus 433 92.32 96 Lesser Black-backed Gull Larus fuscus 448 95.52 97 Great Skua Stercorarius skua 216 46.06 98 Puffin Fratercula arctica 305 65.03 99 Black Guillemot Cepphus grylle 206 43.92 100 Razorbill Alca torda 377 80.38 101 Common Guillemot Uria aalge 387 82.52 102 Red-throated Diver Gavia stellata 330 70.36 103 Black-browed Albatross Thalassarche melanophris 200 42.64 104 Fulmar Fulmarus glacialis 389 82.94 105 Manx Shearwater Puffinus puffinus 246 52.45 106 Gannet Morus bassanus 405 86.35 107 Cormorant Phalacrocorax carbo 457 97.44 108 Shag Gulosus aristotelis 370 78.89 109 Glossy Ibis Plegadis falcinellus 213 45.42 110 Spoonbill Platalea leucorodia 335 71.43 111 Little Egret Egretta garzetta 444 94.67 112 Cattle Egret Bubulcus ibis 300 63.97 113 Great White Egret Ardea alba 387 82.52 114 Grey Heron Ardea cinerea 454 96.80 115 Osprey Pandion haliaetus 294 62.69 116 Sparrowhawk Accipiter nisus 443 94.46 117 Marsh Harrier Circus aeruginosus 406 86.57 118 Hen Harrier Circus cyaneus 227 48.40 119 Red Kite Milvus milvus 434 92.54 120 Buzzard Buteo buteo 457 97.44 121 Barn Owl Tyto alba 371 79.10 122 Little Owl Athene noctua 281 59.91 123 Short-eared Owl Asio flammeus 262 55.86 124 Tawny Owl Strix aluco 364 77.61 125 Hoopoe Upupa epops 92 19.62 126 Kingfisher Alcedo atthis 410 87.42 127 Belted Kingfisher Megaceryle alcyon 93 19.83 128 Great Spotted Woodpecker Dendrocopos major 443 94.46 129 Green Woodpecker Picus viridis 395 84.22 130 Kestrel Falco tinnunculus 453 96.59 131 Hobby Falco subbuteo 347 73.99 132 Peregrine Falco peregrinus 421 89.77 133 Ring-necked Parakeet Psittacula krameri 290 61.83 134 Great Grey Shrike Lanius excubitor 67 14.29 135 Red-backed Shrike Lanius collurio 122 26.01 136 Jay Garrulus glandarius 447 95.31 137 Magpie Pica pica 460 98.08 138 Chough Pyrrhocorax pyrrhocorax 194 41.36 139 Jackdaw Coloeus monedula 459 97.87 140 Rook Corvus frugilegus 453 96.59 141 Carrion Crow Corvus corone 460 98.08 142 Hooded Crow Corvus cornix 193 41.15 143 Raven Corvus corax 415 88.49 144 Coal Tit Periparus ater 446 95.10 145 Crested Tit Lophophanes cristatus 63 13.43 146 Blue Tit Cyanistes caeruleus 463 98.72 147 Great Tit Parus major 461 98.29 148 Bearded Tit Panurus biarmicus 299 63.75 149 Woodlark Lullula arborea 210 44.78 150 Skylark Alauda arvensis 440 93.82 151 Sand Martin Riparia riparia 426 90.83 152 Swallow Hirundo rustica 437 93.18 153 House Martin Delichon urbicum 432 92.11 154 Red-rumped Swallow Cecropis daurica 23 4.90 155 Cetti's Warbler Cettia cetti 387 82.52 156 Long-tailed Tit Aegithalos caudatus 453 96.59 157 Wood Warbler Phylloscopus sibilatrix 179 38.17 158 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 159 Dusky Warbler Phylloscopus fuscatus 60 12.79 160 Willow Warbler Phylloscopus trochilus 415 88.49 161 Chiffchaff Phylloscopus collybita 441 94.03 162 Green Warbler Phylloscopus nitidus 91 19.40 163 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 164 Reed Warbler Acrocephalus scirpaceus 399 85.07 165 Grasshopper Warbler Locustella naevia 264 56.29 166 Blackcap Sylvia atricapilla 437 93.18 167 Garden Warbler Sylvia borin 343 73.13 168 Lesser Whitethroat Curruca curruca 332 70.79 169 Whitethroat Curruca communis 421 89.77 170 Goldcrest Regulus regulus 427 91.04 171 Wren Troglodytes troglodytes 458 97.65 172 Nuthatch Sitta europaea 431 91.90 173 Treecreeper Certhia familiaris 420 89.55 174 Northern Mockingbird Mimus polyglottos 132 28.14 175 Starling Sturnus vulgaris 458 97.65 176 Song Thrush Turdus philomelos 454 96.80 177 Mistle Thrush Turdus viscivorus 437 93.18 178 Redwing Turdus iliacus 443 94.46 179 Blackbird Turdus merula 462 98.51 180 Fieldfare Turdus pilaris 422 89.98 181 Ring Ouzel Turdus torquatus 261 55.65 182 Spotted Flycatcher Muscicapa striata 330 70.36 183 Robin Erithacus rubecula 462 98.51 184 Nightingale Luscinia megarhynchos 158 33.69 185 Bluethroat Luscinia svecica 83 17.70 186 Red-breasted Flycatcher Ficedula parva 68 14.50 187 Taiga Flycatcher Ficedula albicilla 47 10.02 188 Pied Flycatcher Ficedula hypoleuca 286 60.98 189 Red-flanked Bluetail Tarsiger cyanurus 52 11.09 190 Black Redstart Phoenicurus ochruros 230 49.04 191 Redstart Phoenicurus phoenicurus 335 71.43 192 Whinchat Saxicola rubetra 302 64.39 193 Stonechat Saxicola rubicola 432 92.11 194 Wheatear Oenanthe oenanthe 409 87.21 195 Dipper Cinclus cinclus 289 61.62 196 Tree Sparrow Passer montanus 328 69.94 197 House Sparrow Passer domesticus 458 97.65 198 Dunnock Prunella modularis 462 98.51 199 Yellow Wagtail Motacilla flava 368 78.46 200 Grey Wagtail Motacilla cinerea 440 93.82 201 Pied Wagtail Motacilla alba 460 98.08 202 Meadow Pipit Anthus pratensis 434 92.54 203 Tree Pipit Anthus trivialis 307 65.46 204 Water Pipit Anthus spinoletta 155 33.05 205 Rock Pipit Anthus petrosus 372 79.32 206 Chaffinch Fringilla coelebs 457 97.44 207 Bullfinch Pyrrhula pyrrhula 429 91.47 208 Greenfinch Chloris chloris 453 96.59 209 Linnet Linaria cannabina 437 93.18 210 Lesser Redpoll Acanthis cabaret 341 72.71 211 Common Crossbill Loxia curvirostra 263 56.08 212 Goldfinch Carduelis carduelis 454 96.80 213 Serin Serinus serinus 27 5.76 214 Siskin Spinus spinus 414 88.27 215 Snow Bunting Plectrophenax nivalis 254 54.16 216 Corn Bunting Emberiza calandra 289 61.62 217 Yellowhammer Emberiza citrinella 407 86.78 218 Rustic Bunting Emberiza rustica 54 11.51 219 Reed Bunting Emberiza schoeniclus 439 93.60