Carla Hill: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 231 of 231 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 Garganey Spatula querquedula 282 60.13 12 Blue-winged Teal Spatula discors 12 2.56 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 Ring-necked Duck Aythya collaris 190 40.51 21 Tufted Duck Aythya fuligula 457 97.44 22 Scaup Aythya marila 244 52.03 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 Grey Partridge Perdix perdix 294 62.69 31 Pheasant Phasianus colchicus 454 96.80 32 Quail Coturnix coturnix 87 18.55 33 Red-legged Partridge Alectoris rufa 400 85.29 34 Nightjar Caprimulgus europaeus 205 43.71 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 Black-necked Grebe Podiceps nigricollis 255 54.37 50 Stone-curlew Burhinus oedicnemus 168 35.82 51 Oystercatcher Haematopus ostralegus 448 95.52 52 Black-winged Stilt Himantopus himantopus 82 17.48 53 Avocet Recurvirostra avosetta 394 84.01 54 Grey Plover Pluvialis squatarola 343 73.13 55 Golden Plover Pluvialis apricaria 389 82.94 56 American Golden Plover Pluvialis dominica 73 15.57 57 Ringed Plover Charadrius hiaticula 399 85.07 58 Little Ringed Plover Charadrius dubius 360 76.76 59 Lapwing Vanellus vanellus 453 96.59 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 Buff-breasted Sandpiper Calidris subruficollis 34 7.25 78 Sanderling Calidris alba 369 78.68 79 Dunlin Calidris alpina 418 89.13 80 Purple Sandpiper Calidris maritima 265 56.50 81 White-rumped Sandpiper Calidris fuscicollis 37 7.89 82 Pectoral Sandpiper Calidris melanotos 177 37.74 83 Little Tern Sternula albifrons 286 60.98 84 Gull-billed Tern Gelochelidon nilotica 7 1.49 85 Arctic Tern Sterna paradisaea 290 61.83 86 Common Tern Sterna hirundo 407 86.78 87 Roseate Tern Sterna dougallii 143 30.49 88 Sandwich Tern Thalasseus sandvicensis 372 79.32 89 Little Gull Hydrocoloeus minutus 281 59.91 90 Kittiwake Rissa tridactyla 382 81.45 91 Sabine's Gull Xema sabini 38 8.10 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 Herring Gull Larus argentatus 457 97.44 96 Yellow-legged Gull Larus michahellis 226 48.19 97 Great Black-backed Gull Larus marinus 433 92.32 98 Glaucous Gull Larus hyperboreus 88 18.76 99 Lesser Black-backed Gull Larus fuscus 448 95.52 100 American Herring Gull Larus smithsonianus 51 10.87 101 Iceland Gull Larus glaucoides 158 33.69 102 Great Skua Stercorarius skua 216 46.06 103 Puffin Fratercula arctica 305 65.03 104 Black Guillemot Cepphus grylle 206 43.92 105 Razorbill Alca torda 377 80.38 106 Common Guillemot Uria aalge 387 82.52 107 Red-throated Diver Gavia stellata 330 70.36 108 Black-throated Diver Gavia arctica 178 37.95 109 Great Northern Diver Gavia immer 287 61.19 110 Black-browed Albatross Thalassarche melanophris 200 42.64 111 Storm Petrel Hydrobates pelagicus 79 16.84 112 Fulmar Fulmarus glacialis 389 82.94 113 Manx Shearwater Puffinus puffinus 246 52.45 114 White Stork Ciconia ciconia 64 13.65 115 Gannet Morus bassanus 405 86.35 116 Cormorant Phalacrocorax carbo 457 97.44 117 Shag Gulosus aristotelis 370 78.89 118 Spoonbill Platalea leucorodia 335 71.43 119 Bittern Botaurus stellaris 294 62.69 120 Night-heron Nycticorax nycticorax 18 3.84 121 Little Egret Egretta garzetta 444 94.67 122 Cattle Egret Bubulcus ibis 300 63.97 123 Great White Egret Ardea alba 387 82.52 124 Grey Heron Ardea cinerea 454 96.80 125 Osprey Pandion haliaetus 294 62.69 126 Sparrowhawk Accipiter nisus 443 94.46 127 Goshawk Accipiter gentilis 195 41.58 128 Marsh Harrier Circus aeruginosus 406 86.57 129 Hen Harrier Circus cyaneus 227 48.40 130 Montagu's Harrier Circus pygargus 22 4.69 131 Red Kite Milvus milvus 434 92.54 132 Buzzard Buteo buteo 457 97.44 133 Barn Owl Tyto alba 371 79.10 134 Little Owl Athene noctua 281 59.91 135 Long-eared Owl Asio otus 113 24.09 136 Short-eared Owl Asio flammeus 262 55.86 137 Tawny Owl Strix aluco 364 77.61 138 Hoopoe Upupa epops 92 19.62 139 Kingfisher Alcedo atthis 410 87.42 140 Lesser Spotted Woodpecker Dryobates minor 117 24.95 141 Great Spotted Woodpecker Dendrocopos major 443 94.46 142 Green Woodpecker Picus viridis 395 84.22 143 Kestrel Falco tinnunculus 453 96.59 144 Merlin Falco columbarius 275 58.64 145 Hobby Falco subbuteo 347 73.99 146 Peregrine Falco peregrinus 421 89.77 147 Ring-necked Parakeet Psittacula krameri 290 61.83 148 Woodchat Shrike Lanius senator 99 21.11 149 Jay Garrulus glandarius 447 95.31 150 Magpie Pica pica 460 98.08 151 Chough Pyrrhocorax pyrrhocorax 194 41.36 152 Jackdaw Coloeus monedula 459 97.87 153 Rook Corvus frugilegus 453 96.59 154 Carrion Crow Corvus corone 460 98.08 155 Hooded Crow Corvus cornix 193 41.15 156 Raven Corvus corax 415 88.49 157 Coal Tit Periparus ater 446 95.10 158 Marsh Tit Poecile palustris 318 67.80 159 Willow Tit Poecile montanus 179 38.17 160 Blue Tit Cyanistes caeruleus 463 98.72 161 Great Tit Parus major 461 98.29 162 Bearded Tit Panurus biarmicus 299 63.75 163 Woodlark Lullula arborea 210 44.78 164 Skylark Alauda arvensis 440 93.82 165 Sand Martin Riparia riparia 426 90.83 166 Swallow Hirundo rustica 437 93.18 167 House Martin Delichon urbicum 432 92.11 168 Cetti's Warbler Cettia cetti 387 82.52 169 Long-tailed Tit Aegithalos caudatus 453 96.59 170 Yellow-browed Warbler Phylloscopus inornatus 128 27.29 171 Willow Warbler Phylloscopus trochilus 415 88.49 172 Chiffchaff Phylloscopus collybita 441 94.03 173 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 174 Reed Warbler Acrocephalus scirpaceus 399 85.07 175 Grasshopper Warbler Locustella naevia 264 56.29 176 Blackcap Sylvia atricapilla 437 93.18 177 Garden Warbler Sylvia borin 343 73.13 178 Lesser Whitethroat Curruca curruca 332 70.79 179 Eastern Subalpine Warbler Curruca cantillans 49 10.45 180 Whitethroat Curruca communis 421 89.77 181 Dartford Warbler Curruca undata 184 39.23 182 Firecrest Regulus ignicapilla 198 42.22 183 Goldcrest Regulus regulus 427 91.04 184 Wren Troglodytes troglodytes 458 97.65 185 Nuthatch Sitta europaea 431 91.90 186 Treecreeper Certhia familiaris 420 89.55 187 Northern Mockingbird Mimus polyglottos 132 28.14 188 Starling Sturnus vulgaris 458 97.65 189 Song Thrush Turdus philomelos 454 96.80 190 Mistle Thrush Turdus viscivorus 437 93.18 191 Redwing Turdus iliacus 443 94.46 192 Blackbird Turdus merula 462 98.51 193 Fieldfare Turdus pilaris 422 89.98 194 Ring Ouzel Turdus torquatus 261 55.65 195 Spotted Flycatcher Muscicapa striata 330 70.36 196 Robin Erithacus rubecula 462 98.51 197 Pied Flycatcher Ficedula hypoleuca 286 60.98 198 Black Redstart Phoenicurus ochruros 230 49.04 199 Redstart Phoenicurus phoenicurus 335 71.43 200 Whinchat Saxicola rubetra 302 64.39 201 Stonechat Saxicola rubicola 432 92.11 202 Wheatear Oenanthe oenanthe 409 87.21 203 Dipper Cinclus cinclus 289 61.62 204 Tree Sparrow Passer montanus 328 69.94 205 House Sparrow Passer domesticus 458 97.65 206 Dunnock Prunella modularis 462 98.51 207 Yellow Wagtail Motacilla flava 368 78.46 208 Grey Wagtail Motacilla cinerea 440 93.82 209 Pied Wagtail Motacilla alba 460 98.08 210 Meadow Pipit Anthus pratensis 434 92.54 211 Tree Pipit Anthus trivialis 307 65.46 212 Olive-backed Pipit Anthus hodgsoni 28 5.97 213 Water Pipit Anthus spinoletta 155 33.05 214 Rock Pipit Anthus petrosus 372 79.32 215 Chaffinch Fringilla coelebs 457 97.44 216 Brambling Fringilla montifringilla 310 66.10 217 Hawfinch Coccothraustes coccothraustes 170 36.25 218 Bullfinch Pyrrhula pyrrhula 429 91.47 219 Greenfinch Chloris chloris 453 96.59 220 Linnet Linaria cannabina 437 93.18 221 Lesser Redpoll Acanthis cabaret 341 72.71 222 Common Crossbill Loxia curvirostra 263 56.08 223 Goldfinch Carduelis carduelis 454 96.80 224 Siskin Spinus spinus 414 88.27 225 Lapland Bunting Calcarius lapponicus 78 16.63 226 Snow Bunting Plectrophenax nivalis 254 54.16 227 Corn Bunting Emberiza calandra 289 61.62 228 Yellowhammer Emberiza citrinella 407 86.78 229 Cirl Bunting Emberiza cirlus 103 21.96 230 Little Bunting Emberiza pusilla 110 23.45 231 Reed Bunting Emberiza schoeniclus 439 93.60