George Dunbar: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 223 of 223 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 Greylag Goose Anser anser 390 94.89 4 Taiga Bean Goose Anser fabalis 28 6.81 5 Pink-footed Goose Anser brachyrhynchus 312 75.91 6 Tundra Bean Goose Anser serrirostris 161 39.17 7 Mute Swan Cygnus olor 399 97.08 8 Whooper Swan Cygnus cygnus 294 71.53 9 Shelduck Tadorna tadorna 382 92.94 10 Shoveler Spatula clypeata 379 92.21 11 Gadwall Mareca strepera 381 92.70 12 Wigeon Mareca penelope 387 94.16 13 Mallard Anas platyrhynchos 401 97.57 14 Black Duck Anas rubripes 13 3.16 15 Pintail Anas acuta 340 82.73 16 Teal Anas crecca 386 93.92 17 Pochard Aythya ferina 365 88.81 18 Ring-necked Duck Aythya collaris 147 35.77 19 Tufted Duck Aythya fuligula 395 96.11 20 Scaup Aythya marila 247 60.10 21 Eider Somateria mollissima 253 61.56 22 Common Scoter Melanitta nigra 284 69.10 23 Goldeneye Bucephala clangula 345 83.94 24 Goosander Mergus merganser 348 84.67 25 Red-breasted Merganser Mergus serrator 266 64.72 26 Red Grouse Lagopus lagopus 191 46.47 27 Black Grouse Lyrurus tetrix 60 14.60 28 Grey Partridge Perdix perdix 231 56.20 29 Pheasant Phasianus colchicus 393 95.62 30 Red-legged Partridge Alectoris rufa 322 78.35 31 Swift Apus apus 352 85.64 32 Cuckoo Cuculus canorus 273 66.42 33 Rock Dove (Feral Pigeon) Columba livia 307 74.70 34 Stock Dove Columba oenas 362 88.08 35 Woodpigeon Columba palumbus 402 97.81 36 Collared Dove Streptopelia decaocto 391 95.13 37 Water Rail Rallus aquaticus 289 70.32 38 Moorhen Gallinula chloropus 397 96.59 39 Coot Fulica atra 396 96.35 40 Little Grebe Tachybaptus ruficollis 377 91.73 41 Pied-billed Grebe Podilymbus podiceps 31 7.54 42 Great Crested Grebe Podiceps cristatus 378 91.97 43 Black-necked Grebe Podiceps nigricollis 207 50.36 44 Oystercatcher Haematopus ostralegus 380 92.46 45 Avocet Recurvirostra avosetta 313 76.16 46 Grey Plover Pluvialis squatarola 300 72.99 47 Golden Plover Pluvialis apricaria 335 81.51 48 Ringed Plover Charadrius hiaticula 334 81.27 49 Lapwing Vanellus vanellus 394 95.86 50 Sociable Plover Vanellus gregarius 26 6.33 51 Eurasian Whimbrel Numenius phaeopus 237 57.66 52 Curlew Numenius arquata 374 91.00 53 Bar-tailed Godwit Limosa lapponica 282 68.61 54 Black-tailed Godwit Limosa limosa 357 86.86 55 Long-billed Dowitcher Limnodromus scolopaceus 56 13.63 56 Jack Snipe Lymnocryptes minimus 155 37.71 57 Woodcock Scolopax rusticola 245 59.61 58 Snipe Gallinago gallinago 350 85.16 59 Grey Phalarope Phalaropus fulicarius 111 27.01 60 Common Sandpiper Actitis hypoleucos 307 74.70 61 Green Sandpiper Tringa ochropus 288 70.07 62 Redshank Tringa totanus 372 90.51 63 Greenshank Tringa nebularia 304 73.97 64 Turnstone Arenaria interpres 345 83.94 65 Knot Calidris canutus 301 73.24 66 Ruff Calidris pugnax 300 72.99 67 Sanderling Calidris alba 298 72.51 68 Dunlin Calidris alpina 357 86.86 69 Purple Sandpiper Calidris maritima 223 54.26 70 Little Tern Sternula albifrons 170 41.36 71 Black Tern Chlidonias niger 99 24.09 72 Arctic Tern Sterna paradisaea 167 40.63 73 Common Tern Sterna hirundo 322 78.35 74 Roseate Tern Sterna dougallii 74 18.00 75 Sandwich Tern Thalasseus sandvicensis 284 69.10 76 Little Gull Hydrocoloeus minutus 166 40.39 77 Kittiwake Rissa tridactyla 270 65.69 78 Black-headed Gull Chroicocephalus ridibundus 394 95.86 79 Mediterranean Gull Ichthyaetus melanocephalus 310 75.43 80 Common Gull Larus canus 367 89.29 81 Herring Gull Larus argentatus 389 94.65 82 Yellow-legged Gull Larus michahellis 192 46.72 83 Great Black-backed Gull Larus marinus 374 91.00 84 Glaucous Gull Larus hyperboreus 54 13.14 85 Lesser Black-backed Gull Larus fuscus 374 91.00 86 Iceland Gull Larus glaucoides 125 30.41 87 Long-tailed Skua Stercorarius longicaudus 70 17.03 88 Arctic Skua Stercorarius parasiticus 148 36.01 89 Pomarine Skua Stercorarius pomarinus 71 17.27 90 Great Skua Stercorarius skua 151 36.74 91 Puffin Fratercula arctica 170 41.36 92 Black Guillemot Cepphus grylle 96 23.36 93 Razorbill Alca torda 247 60.10 94 Common Guillemot Uria aalge 282 68.61 95 Red-throated Diver Gavia stellata 243 59.12 96 Black-throated Diver Gavia arctica 143 34.79 97 Great Northern Diver Gavia immer 231 56.20 98 Storm Petrel Hydrobates pelagicus 63 15.33 99 Leach's Petrel Hydrobates leucorhous 21 5.11 100 Fulmar Fulmarus glacialis 283 68.86 101 Sooty Shearwater Ardenna grisea 95 23.11 102 Manx Shearwater Puffinus puffinus 169 41.12 103 Balearic Shearwater Puffinus mauretanicus 75 18.25 104 Gannet Morus bassanus 318 77.37 105 Cormorant Phalacrocorax carbo 393 95.62 106 Shag Gulosus aristotelis 282 68.61 107 Little Egret Egretta garzetta 388 94.40 108 Cattle Egret Bubulcus ibis 251 61.07 109 Great White Egret Ardea alba 337 82.00 110 Grey Heron Ardea cinerea 393 95.62 111 Osprey Pandion haliaetus 189 45.99 112 Golden Eagle Aquila chrysaetos 40 9.73 113 Sparrowhawk Accipiter nisus 384 93.43 114 Goshawk Accipiter gentilis 177 43.07 115 Marsh Harrier Circus aeruginosus 349 84.91 116 Hen Harrier Circus cyaneus 236 57.42 117 Red Kite Milvus milvus 368 89.54 118 Black Kite Milvus migrans 7 1.70 119 White-tailed Eagle Haliaeetus albicilla 44 10.71 120 Buzzard Buteo buteo 391 95.13 121 Barn Owl Tyto alba 336 81.75 122 Little Owl Athene noctua 221 53.77 123 Long-eared Owl Asio otus 128 31.14 124 Short-eared Owl Asio flammeus 243 59.12 125 Tawny Owl Strix aluco 311 75.67 126 Kingfisher Alcedo atthis 358 87.10 127 Wryneck Jynx torquilla 92 22.38 128 Lesser Spotted Woodpecker Dryobates minor 76 18.49 129 Great Spotted Woodpecker Dendrocopos major 382 92.94 130 Green Woodpecker Picus viridis 340 82.73 131 Kestrel Falco tinnunculus 394 95.86 132 Merlin Falco columbarius 254 61.80 133 Hobby Falco subbuteo 278 67.64 134 Peregrine Falco peregrinus 346 84.18 135 Woodchat Shrike Lanius senator 15 3.65 136 Jay Garrulus glandarius 376 91.48 137 Magpie Pica pica 399 97.08 138 Chough Pyrrhocorax pyrrhocorax 107 26.03 139 Jackdaw Coloeus monedula 393 95.62 140 Rook Corvus frugilegus 388 94.40 141 Carrion Crow Corvus corone 398 96.84 142 Hooded Crow Corvus cornix 113 27.49 143 Raven Corvus corax 341 82.97 144 Coal Tit Periparus ater 387 94.16 145 Crested Tit Lophophanes cristatus 44 10.71 146 Marsh Tit Poecile palustris 282 68.61 147 Willow Tit Poecile montanus 168 40.88 148 Blue Tit Cyanistes caeruleus 398 96.84 149 Great Tit Parus major 398 96.84 150 Woodlark Lullula arborea 151 36.74 151 Skylark Alauda arvensis 369 89.78 152 Shore Lark Eremophila alpestris 93 22.63 153 Sand Martin Riparia riparia 339 82.48 154 Swallow Hirundo rustica 368 89.54 155 House Martin Delichon urbicum 352 85.64 156 Cetti's Warbler Cettia cetti 313 76.16 157 Long-tailed Tit Aegithalos caudatus 392 95.38 158 Yellow-browed Warbler Phylloscopus inornatus 192 46.72 159 Willow Warbler Phylloscopus trochilus 333 81.02 160 Chiffchaff Phylloscopus collybita 373 90.75 161 Greenish Warbler Phylloscopus trochiloides 30 7.30 162 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 163 Blyth's Reed Warbler Acrocephalus dumetorum 86 20.92 164 Reed Warbler Acrocephalus scirpaceus 301 73.24 165 Marsh Warbler Acrocephalus palustris 53 12.90 166 Grasshopper Warbler Locustella naevia 177 43.07 167 Blackcap Sylvia atricapilla 356 86.62 168 Garden Warbler Sylvia borin 260 63.26 169 Lesser Whitethroat Curruca curruca 265 64.48 170 Whitethroat Curruca communis 333 81.02 171 Firecrest Regulus ignicapilla 205 49.88 172 Goldcrest Regulus regulus 368 89.54 173 Wren Troglodytes troglodytes 395 96.11 174 Nuthatch Sitta europaea 369 89.78 175 Treecreeper Certhia familiaris 354 86.13 176 Starling Sturnus vulgaris 397 96.59 177 Song Thrush Turdus philomelos 389 94.65 178 Mistle Thrush Turdus viscivorus 369 89.78 179 Redwing Turdus iliacus 384 93.43 180 Blackbird Turdus merula 397 96.59 181 Fieldfare Turdus pilaris 361 87.83 182 Ring Ouzel Turdus torquatus 167 40.63 183 Spotted Flycatcher Muscicapa striata 271 65.94 184 Robin Erithacus rubecula 398 96.84 185 Pied Flycatcher Ficedula hypoleuca 208 50.61 186 Black Redstart Phoenicurus ochruros 191 46.47 187 Redstart Phoenicurus phoenicurus 247 60.10 188 Whinchat Saxicola rubetra 251 61.07 189 Siberian Stonechat Saxicola maurus 78 18.98 190 Stonechat Saxicola rubicola 375 91.24 191 Wheatear Oenanthe oenanthe 314 76.40 192 Dipper Cinclus cinclus 229 55.72 193 Tree Sparrow Passer montanus 267 64.96 194 House Sparrow Passer domesticus 396 96.35 195 Dunnock Prunella modularis 394 95.86 196 Yellow Wagtail Motacilla flava 268 65.21 197 Eastern Yellow Wagtail Motacilla tschutschensis 132 32.12 198 Citrine Wagtail Motacilla citreola 9 2.19 199 Grey Wagtail Motacilla cinerea 359 87.35 200 Pied Wagtail Motacilla alba 395 96.11 201 Meadow Pipit Anthus pratensis 373 90.75 202 Tree Pipit Anthus trivialis 204 49.64 203 Red-throated Pipit Anthus cervinus 12 2.92 204 Rock Pipit Anthus petrosus 290 70.56 205 Chaffinch Fringilla coelebs 397 96.59 206 Brambling Fringilla montifringilla 250 60.83 207 Bullfinch Pyrrhula pyrrhula 369 89.78 208 Common Rosefinch Carpodacus erythrinus 19 4.62 209 Greenfinch Chloris chloris 377 91.73 210 Twite Linaria flavirostris 163 39.66 211 Linnet Linaria cannabina 368 89.54 212 Common Redpoll Acanthis flammea 57 13.87 213 Lesser Redpoll Acanthis cabaret 263 63.99 214 Parrot Crossbill Loxia pytyopsittacus 8 1.95 215 Scottish Crossbill Loxia scotica 23 5.60 216 Common Crossbill Loxia curvirostra 245 59.61 217 Goldfinch Carduelis carduelis 393 95.62 218 Siskin Spinus spinus 339 82.48 219 Lapland Bunting Calcarius lapponicus 106 25.79 220 Snow Bunting Plectrophenax nivalis 200 48.66 221 Corn Bunting Emberiza calandra 216 52.55 222 Yellowhammer Emberiza citrinella 349 84.91 223 Reed Bunting Emberiza schoeniclus 377 91.73