David Hudson: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 204 of 204 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 317 77.13 2 Canada Goose Branta canadensis 397 96.59 3 Barnacle Goose Branta leucopsis 273 66.42 4 Greylag Goose Anser anser 390 94.89 5 Pink-footed Goose Anser brachyrhynchus 312 75.91 6 Tundra Bean Goose Anser serrirostris 161 39.17 7 White-fronted Goose Anser albifrons 253 61.56 8 Mute Swan Cygnus olor 399 97.08 9 Bewick's Swan Cygnus columbianus 176 42.82 10 Whooper Swan Cygnus cygnus 294 71.53 11 Egyptian Goose Alopochen aegyptiaca 304 73.97 12 Shelduck Tadorna tadorna 382 92.94 13 Mandarin Duck Aix galericulata 250 60.83 14 Garganey Spatula querquedula 179 43.55 15 Shoveler Spatula clypeata 379 92.21 16 Gadwall Mareca strepera 381 92.70 17 Wigeon Mareca penelope 387 94.16 18 Mallard Anas platyrhynchos 401 97.57 19 Pintail Anas acuta 340 82.73 20 Teal Anas crecca 386 93.92 21 Red-crested Pochard Netta rufina 158 38.44 22 Pochard Aythya ferina 365 88.81 23 Tufted Duck Aythya fuligula 395 96.11 24 Eider Somateria mollissima 253 61.56 25 Common Scoter Melanitta nigra 284 69.10 26 Goldeneye Bucephala clangula 345 83.94 27 Smew Mergellus albellus 189 45.99 28 Goosander Mergus merganser 348 84.67 29 Red-breasted Merganser Mergus serrator 266 64.72 30 Red Grouse Lagopus lagopus 191 46.47 31 Black Grouse Lyrurus tetrix 60 14.60 32 Grey Partridge Perdix perdix 231 56.20 33 Pheasant Phasianus colchicus 393 95.62 34 Red-legged Partridge Alectoris rufa 322 78.35 35 Nightjar Caprimulgus europaeus 157 38.20 36 Swift Apus apus 352 85.64 37 Cuckoo Cuculus canorus 273 66.42 38 Rock Dove (Feral Pigeon) Columba livia 307 74.70 39 Stock Dove Columba oenas 362 88.08 40 Woodpigeon Columba palumbus 402 97.81 41 Turtle Dove Streptopelia turtur 137 33.33 42 Collared Dove Streptopelia decaocto 391 95.13 43 Water Rail Rallus aquaticus 289 70.32 44 Moorhen Gallinula chloropus 397 96.59 45 Coot Fulica atra 396 96.35 46 Crane Grus grus 175 42.58 47 Little Grebe Tachybaptus ruficollis 377 91.73 48 Red-necked Grebe Podiceps grisegena 122 29.68 49 Great Crested Grebe Podiceps cristatus 378 91.97 50 Slavonian Grebe Podiceps auritus 184 44.77 51 Black-necked Grebe Podiceps nigricollis 207 50.36 52 Stone-curlew Burhinus oedicnemus 72 17.52 53 Oystercatcher Haematopus ostralegus 380 92.46 54 Avocet Recurvirostra avosetta 313 76.16 55 Grey Plover Pluvialis squatarola 300 72.99 56 Golden Plover Pluvialis apricaria 335 81.51 57 Ringed Plover Charadrius hiaticula 334 81.27 58 Little Ringed Plover Charadrius dubius 252 61.31 59 Lapwing Vanellus vanellus 394 95.86 60 Eurasian Whimbrel Numenius phaeopus 237 57.66 61 Curlew Numenius arquata 374 91.00 62 Bar-tailed Godwit Limosa lapponica 282 68.61 63 Black-tailed Godwit Limosa limosa 357 86.86 64 Woodcock Scolopax rusticola 245 59.61 65 Snipe Gallinago gallinago 350 85.16 66 Common Sandpiper Actitis hypoleucos 307 74.70 67 Green Sandpiper Tringa ochropus 288 70.07 68 Wood Sandpiper Tringa glareola 188 45.74 69 Redshank Tringa totanus 372 90.51 70 Spotted Redshank Tringa erythropus 237 57.66 71 Greenshank Tringa nebularia 304 73.97 72 Turnstone Arenaria interpres 345 83.94 73 Knot Calidris canutus 301 73.24 74 Ruff Calidris pugnax 300 72.99 75 Curlew Sandpiper Calidris ferruginea 229 55.72 76 Sanderling Calidris alba 298 72.51 77 Dunlin Calidris alpina 357 86.86 78 Purple Sandpiper Calidris maritima 223 54.26 79 Little Stint Calidris minuta 194 47.20 80 Common Tern Sterna hirundo 322 78.35 81 Sandwich Tern Thalasseus sandvicensis 284 69.10 82 Little Gull Hydrocoloeus minutus 166 40.39 83 Kittiwake Rissa tridactyla 270 65.69 84 Black-headed Gull Chroicocephalus ridibundus 394 95.86 85 Mediterranean Gull Ichthyaetus melanocephalus 310 75.43 86 Common Gull Larus canus 367 89.29 87 Caspian Gull Larus cachinnans 168 40.88 88 Herring Gull Larus argentatus 389 94.65 89 Great Black-backed Gull Larus marinus 374 91.00 90 Lesser Black-backed Gull Larus fuscus 374 91.00 91 Puffin Fratercula arctica 170 41.36 92 Razorbill Alca torda 247 60.10 93 Common Guillemot Uria aalge 282 68.61 94 Red-throated Diver Gavia stellata 243 59.12 95 Great Northern Diver Gavia immer 231 56.20 96 Fulmar Fulmarus glacialis 283 68.86 97 Manx Shearwater Puffinus puffinus 169 41.12 98 Gannet Morus bassanus 318 77.37 99 Cormorant Phalacrocorax carbo 393 95.62 100 Shag Gulosus aristotelis 282 68.61 101 Spoonbill Platalea leucorodia 246 59.85 102 Bittern Botaurus stellaris 164 39.90 103 Little Egret Egretta garzetta 388 94.40 104 Cattle Egret Bubulcus ibis 251 61.07 105 Great White Egret Ardea alba 337 82.00 106 Grey Heron Ardea cinerea 393 95.62 107 Osprey Pandion haliaetus 189 45.99 108 Sparrowhawk Accipiter nisus 384 93.43 109 Goshawk Accipiter gentilis 177 43.07 110 Marsh Harrier Circus aeruginosus 349 84.91 111 Hen Harrier Circus cyaneus 236 57.42 112 Red Kite Milvus milvus 368 89.54 113 Rough-legged Buzzard Buteo lagopus 133 32.36 114 Buzzard Buteo buteo 391 95.13 115 Barn Owl Tyto alba 336 81.75 116 Little Owl Athene noctua 221 53.77 117 Long-eared Owl Asio otus 128 31.14 118 Tawny Owl Strix aluco 311 75.67 119 Kingfisher Alcedo atthis 358 87.10 120 Great Spotted Woodpecker Dendrocopos major 382 92.94 121 Green Woodpecker Picus viridis 340 82.73 122 Kestrel Falco tinnunculus 394 95.86 123 Hobby Falco subbuteo 278 67.64 124 Peregrine Falco peregrinus 346 84.18 125 Ring-necked Parakeet Psittacula krameri 234 56.93 126 Great Grey Shrike Lanius excubitor 156 37.96 127 Red-backed Shrike Lanius collurio 144 35.04 128 Jay Garrulus glandarius 376 91.48 129 Magpie Pica pica 399 97.08 130 Chough Pyrrhocorax pyrrhocorax 107 26.03 131 Jackdaw Coloeus monedula 393 95.62 132 Rook Corvus frugilegus 388 94.40 133 Carrion Crow Corvus corone 398 96.84 134 Raven Corvus corax 341 82.97 135 Waxwing Bombycilla garrulus 147 35.77 136 Coal Tit Periparus ater 387 94.16 137 Marsh Tit Poecile palustris 282 68.61 138 Willow Tit Poecile montanus 168 40.88 139 Blue Tit Cyanistes caeruleus 398 96.84 140 Great Tit Parus major 398 96.84 141 Bearded Tit Panurus biarmicus 210 51.09 142 Woodlark Lullula arborea 151 36.74 143 Skylark Alauda arvensis 369 89.78 144 Shore Lark Eremophila alpestris 93 22.63 145 Sand Martin Riparia riparia 339 82.48 146 Swallow Hirundo rustica 368 89.54 147 House Martin Delichon urbicum 352 85.64 148 Cetti's Warbler Cettia cetti 313 76.16 149 Long-tailed Tit Aegithalos caudatus 392 95.38 150 Yellow-browed Warbler Phylloscopus inornatus 192 46.72 151 Willow Warbler Phylloscopus trochilus 333 81.02 152 Chiffchaff Phylloscopus collybita 373 90.75 153 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 154 Reed Warbler Acrocephalus scirpaceus 301 73.24 155 Grasshopper Warbler Locustella naevia 177 43.07 156 Blackcap Sylvia atricapilla 356 86.62 157 Garden Warbler Sylvia borin 260 63.26 158 Lesser Whitethroat Curruca curruca 265 64.48 159 Whitethroat Curruca communis 333 81.02 160 Dartford Warbler Curruca undata 136 33.09 161 Goldcrest Regulus regulus 368 89.54 162 Wren Troglodytes troglodytes 395 96.11 163 Nuthatch Sitta europaea 369 89.78 164 Treecreeper Certhia familiaris 354 86.13 165 Rose-coloured Starling Pastor roseus 108 26.28 166 Starling Sturnus vulgaris 397 96.59 167 Song Thrush Turdus philomelos 389 94.65 168 Mistle Thrush Turdus viscivorus 369 89.78 169 Redwing Turdus iliacus 384 93.43 170 Blackbird Turdus merula 397 96.59 171 Fieldfare Turdus pilaris 361 87.83 172 Spotted Flycatcher Muscicapa striata 271 65.94 173 Robin Erithacus rubecula 398 96.84 174 Pied Flycatcher Ficedula hypoleuca 208 50.61 175 Redstart Phoenicurus phoenicurus 247 60.10 176 Whinchat Saxicola rubetra 251 61.07 177 Stonechat Saxicola rubicola 375 91.24 178 Wheatear Oenanthe oenanthe 314 76.40 179 Desert Wheatear Oenanthe deserti 38 9.25 180 Dipper Cinclus cinclus 229 55.72 181 Tree Sparrow Passer montanus 267 64.96 182 House Sparrow Passer domesticus 396 96.35 183 Dunnock Prunella modularis 394 95.86 184 Yellow Wagtail Motacilla flava 268 65.21 185 Eastern Yellow Wagtail Motacilla tschutschensis 132 32.12 186 Grey Wagtail Motacilla cinerea 359 87.35 187 Pied Wagtail Motacilla alba 395 96.11 188 Meadow Pipit Anthus pratensis 373 90.75 189 Water Pipit Anthus spinoletta 172 41.85 190 Rock Pipit Anthus petrosus 290 70.56 191 Chaffinch Fringilla coelebs 397 96.59 192 Brambling Fringilla montifringilla 250 60.83 193 Hawfinch Coccothraustes coccothraustes 190 46.23 194 Bullfinch Pyrrhula pyrrhula 369 89.78 195 Greenfinch Chloris chloris 377 91.73 196 Twite Linaria flavirostris 163 39.66 197 Linnet Linaria cannabina 368 89.54 198 Common Crossbill Loxia curvirostra 245 59.61 199 Goldfinch Carduelis carduelis 393 95.62 200 Siskin Spinus spinus 339 82.48 201 Snow Bunting Plectrophenax nivalis 200 48.66 202 Yellowhammer Emberiza citrinella 349 84.91 203 Cirl Bunting Emberiza cirlus 68 16.55 204 Reed Bunting Emberiza schoeniclus 377 91.73