Alan Hudson: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 203 of 203 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 White-fronted Goose Anser albifrons 253 61.56 7 Mute Swan Cygnus olor 399 97.08 8 Bewick's Swan Cygnus columbianus 176 42.82 9 Whooper Swan Cygnus cygnus 294 71.53 10 Egyptian Goose Alopochen aegyptiaca 304 73.97 11 Shelduck Tadorna tadorna 382 92.94 12 Mandarin Duck Aix galericulata 250 60.83 13 Shoveler Spatula clypeata 379 92.21 14 Gadwall Mareca strepera 381 92.70 15 Wigeon Mareca penelope 387 94.16 16 Mallard Anas platyrhynchos 401 97.57 17 Pintail Anas acuta 340 82.73 18 Teal Anas crecca 386 93.92 19 Red-crested Pochard Netta rufina 158 38.44 20 Pochard Aythya ferina 365 88.81 21 Ring-necked Duck Aythya collaris 147 35.77 22 Tufted Duck Aythya fuligula 395 96.11 23 Scaup Aythya marila 247 60.10 24 Lesser Scaup Aythya affinis 20 4.87 25 Eider Somateria mollissima 253 61.56 26 Velvet Scoter Melanitta fusca 132 32.12 27 Common Scoter Melanitta nigra 284 69.10 28 Long-tailed Duck Clangula hyemalis 221 53.77 29 Goldeneye Bucephala clangula 345 83.94 30 Smew Mergellus albellus 189 45.99 31 Goosander Mergus merganser 348 84.67 32 Red-breasted Merganser Mergus serrator 266 64.72 33 Red Grouse Lagopus lagopus 191 46.47 34 Black Grouse Lyrurus tetrix 60 14.60 35 Grey Partridge Perdix perdix 231 56.20 36 Pheasant Phasianus colchicus 393 95.62 37 Red-legged Partridge Alectoris rufa 322 78.35 38 Swift Apus apus 352 85.64 39 Cuckoo Cuculus canorus 273 66.42 40 Rock Dove (Feral Pigeon) Columba livia 307 74.70 41 Stock Dove Columba oenas 362 88.08 42 Woodpigeon Columba palumbus 402 97.81 43 Collared Dove Streptopelia decaocto 391 95.13 44 Water Rail Rallus aquaticus 289 70.32 45 Moorhen Gallinula chloropus 397 96.59 46 Coot Fulica atra 396 96.35 47 Crane Grus grus 175 42.58 48 Little Grebe Tachybaptus ruficollis 377 91.73 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 Oystercatcher Haematopus ostralegus 380 92.46 53 Avocet Recurvirostra avosetta 313 76.16 54 Grey Plover Pluvialis squatarola 300 72.99 55 Golden Plover Pluvialis apricaria 335 81.51 56 Ringed Plover Charadrius hiaticula 334 81.27 57 Little Ringed Plover Charadrius dubius 252 61.31 58 Lapwing Vanellus vanellus 394 95.86 59 Eurasian Whimbrel Numenius phaeopus 237 57.66 60 Curlew Numenius arquata 374 91.00 61 Bar-tailed Godwit Limosa lapponica 282 68.61 62 Black-tailed Godwit Limosa limosa 357 86.86 63 Woodcock Scolopax rusticola 245 59.61 64 Snipe Gallinago gallinago 350 85.16 65 Red-necked Phalarope Phalaropus lobatus 88 21.41 66 Common Sandpiper Actitis hypoleucos 307 74.70 67 Green Sandpiper Tringa ochropus 288 70.07 68 Redshank Tringa totanus 372 90.51 69 Spotted Redshank Tringa erythropus 237 57.66 70 Greenshank Tringa nebularia 304 73.97 71 Turnstone Arenaria interpres 345 83.94 72 Knot Calidris canutus 301 73.24 73 Ruff Calidris pugnax 300 72.99 74 Curlew Sandpiper Calidris ferruginea 229 55.72 75 Sanderling Calidris alba 298 72.51 76 Dunlin Calidris alpina 357 86.86 77 Purple Sandpiper Calidris maritima 223 54.26 78 Little Stint Calidris minuta 194 47.20 79 Pectoral Sandpiper Calidris melanotos 117 28.47 80 Little Tern Sternula albifrons 170 41.36 81 Common Tern Sterna hirundo 322 78.35 82 Sandwich Tern Thalasseus sandvicensis 284 69.10 83 Little Gull Hydrocoloeus minutus 166 40.39 84 Kittiwake Rissa tridactyla 270 65.69 85 Black-headed Gull Chroicocephalus ridibundus 394 95.86 86 Common Gull Larus canus 367 89.29 87 Herring Gull Larus argentatus 389 94.65 88 Great Black-backed Gull Larus marinus 374 91.00 89 Lesser Black-backed Gull Larus fuscus 374 91.00 90 Puffin Fratercula arctica 170 41.36 91 Razorbill Alca torda 247 60.10 92 Common Guillemot Uria aalge 282 68.61 93 Red-throated Diver Gavia stellata 243 59.12 94 Fulmar Fulmarus glacialis 283 68.86 95 Sooty Shearwater Ardenna grisea 95 23.11 96 Gannet Morus bassanus 318 77.37 97 Cormorant Phalacrocorax carbo 393 95.62 98 Shag Gulosus aristotelis 282 68.61 99 Glossy Ibis Plegadis falcinellus 115 27.98 100 Spoonbill Platalea leucorodia 246 59.85 101 Bittern Botaurus stellaris 164 39.90 102 Little Egret Egretta garzetta 388 94.40 103 Cattle Egret Bubulcus ibis 251 61.07 104 Great White Egret Ardea alba 337 82.00 105 Grey Heron Ardea cinerea 393 95.62 106 Honey-buzzard Pernis apivorus 63 15.33 107 Sparrowhawk Accipiter nisus 384 93.43 108 Goshawk Accipiter gentilis 177 43.07 109 Marsh Harrier Circus aeruginosus 349 84.91 110 Hen Harrier Circus cyaneus 236 57.42 111 Red Kite Milvus milvus 368 89.54 112 Rough-legged Buzzard Buteo lagopus 133 32.36 113 Buzzard Buteo buteo 391 95.13 114 Barn Owl Tyto alba 336 81.75 115 Little Owl Athene noctua 221 53.77 116 Short-eared Owl Asio flammeus 243 59.12 117 Kingfisher Alcedo atthis 358 87.10 118 Great Spotted Woodpecker Dendrocopos major 382 92.94 119 Green Woodpecker Picus viridis 340 82.73 120 Kestrel Falco tinnunculus 394 95.86 121 Merlin Falco columbarius 254 61.80 122 Hobby Falco subbuteo 278 67.64 123 Peregrine Falco peregrinus 346 84.18 124 Ring-necked Parakeet Psittacula krameri 234 56.93 125 Red-backed Shrike Lanius collurio 144 35.04 126 Jay Garrulus glandarius 376 91.48 127 Magpie Pica pica 399 97.08 128 Jackdaw Coloeus monedula 393 95.62 129 Rook Corvus frugilegus 388 94.40 130 Carrion Crow Corvus corone 398 96.84 131 Hooded Crow Corvus cornix 113 27.49 132 Raven Corvus corax 341 82.97 133 Waxwing Bombycilla garrulus 147 35.77 134 Coal Tit Periparus ater 387 94.16 135 Marsh Tit Poecile palustris 282 68.61 136 Willow Tit Poecile montanus 168 40.88 137 Blue Tit Cyanistes caeruleus 398 96.84 138 Great Tit Parus major 398 96.84 139 Bearded Tit Panurus biarmicus 210 51.09 140 Skylark Alauda arvensis 369 89.78 141 Shore Lark Eremophila alpestris 93 22.63 142 Sand Martin Riparia riparia 339 82.48 143 Swallow Hirundo rustica 368 89.54 144 House Martin Delichon urbicum 352 85.64 145 Cetti's Warbler Cettia cetti 313 76.16 146 Long-tailed Tit Aegithalos caudatus 392 95.38 147 Wood Warbler Phylloscopus sibilatrix 101 24.57 148 Yellow-browed Warbler Phylloscopus inornatus 192 46.72 149 Dusky Warbler Phylloscopus fuscatus 86 20.92 150 Willow Warbler Phylloscopus trochilus 333 81.02 151 Chiffchaff Phylloscopus collybita 373 90.75 152 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 153 Blyth's Reed Warbler Acrocephalus dumetorum 86 20.92 154 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 Goldcrest Regulus regulus 368 89.54 161 Wren Troglodytes troglodytes 395 96.11 162 Nuthatch Sitta europaea 369 89.78 163 Treecreeper Certhia familiaris 354 86.13 164 Starling Sturnus vulgaris 397 96.59 165 Song Thrush Turdus philomelos 389 94.65 166 Mistle Thrush Turdus viscivorus 369 89.78 167 Redwing Turdus iliacus 384 93.43 168 Blackbird Turdus merula 397 96.59 169 Fieldfare Turdus pilaris 361 87.83 170 Black-throated Thrush Turdus atrogularis 91 22.14 171 Rufous-tailed Scrub Robin Cercotrichas galactotes 79 19.22 172 Robin Erithacus rubecula 398 96.84 173 Nightingale Luscinia megarhynchos 110 26.76 174 Pied Flycatcher Ficedula hypoleuca 208 50.61 175 Red-flanked Bluetail Tarsiger cyanurus 105 25.55 176 Black Redstart Phoenicurus ochruros 191 46.47 177 Redstart Phoenicurus phoenicurus 247 60.10 178 Whinchat Saxicola rubetra 251 61.07 179 Wheatear Oenanthe oenanthe 314 76.40 180 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 Chaffinch Fringilla coelebs 397 96.59 190 Brambling Fringilla montifringilla 250 60.83 191 Bullfinch Pyrrhula pyrrhula 369 89.78 192 Greenfinch Chloris chloris 377 91.73 193 Twite Linaria flavirostris 163 39.66 194 Linnet Linaria cannabina 368 89.54 195 Lesser Redpoll Acanthis cabaret 263 63.99 196 Common Crossbill Loxia curvirostra 245 59.61 197 Goldfinch Carduelis carduelis 393 95.62 198 Siskin Spinus spinus 339 82.48 199 Lapland Bunting Calcarius lapponicus 106 25.79 200 Snow Bunting Plectrophenax nivalis 200 48.66 201 Corn Bunting Emberiza calandra 216 52.55 202 Yellowhammer Emberiza citrinella 349 84.91 203 Reed Bunting Emberiza schoeniclus 377 91.73