Michael Stocker: Britain Year List 2020 BOU, All records: Top Blockers Record(s) 1 to 225 of 225 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 Green-winged Teal Anas carolinensis 89 21.65 22 Pochard Aythya ferina 365 88.81 23 Ring-necked Duck Aythya collaris 147 35.77 24 Tufted Duck Aythya fuligula 395 96.11 25 Scaup Aythya marila 247 60.10 26 Eider Somateria mollissima 253 61.56 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 Grouse Lagopus lagopus 191 46.47 33 Grey Partridge Perdix perdix 231 56.20 34 Pheasant Phasianus colchicus 393 95.62 35 Red-legged Partridge Alectoris rufa 322 78.35 36 Nightjar Caprimulgus europaeus 157 38.20 37 Swift Apus apus 352 85.64 38 Cuckoo Cuculus canorus 273 66.42 39 Rock Dove (Feral Pigeon) Columba livia 307 74.70 40 Stock Dove Columba oenas 362 88.08 41 Woodpigeon Columba palumbus 402 97.81 42 Collared Dove Streptopelia decaocto 391 95.13 43 Water Rail Rallus aquaticus 289 70.32 44 Spotted Crake Porzana porzana 35 8.52 45 Moorhen Gallinula chloropus 397 96.59 46 Coot Fulica atra 396 96.35 47 Little Grebe Tachybaptus ruficollis 377 91.73 48 Great Crested Grebe Podiceps cristatus 378 91.97 49 Oystercatcher Haematopus ostralegus 380 92.46 50 Avocet Recurvirostra avosetta 313 76.16 51 Grey Plover Pluvialis squatarola 300 72.99 52 Golden Plover Pluvialis apricaria 335 81.51 53 Ringed Plover Charadrius hiaticula 334 81.27 54 Little Ringed Plover Charadrius dubius 252 61.31 55 Lapwing Vanellus vanellus 394 95.86 56 Eurasian Whimbrel Numenius phaeopus 237 57.66 57 Curlew Numenius arquata 374 91.00 58 Bar-tailed Godwit Limosa lapponica 282 68.61 59 Black-tailed Godwit Limosa limosa 357 86.86 60 Long-billed Dowitcher Limnodromus scolopaceus 56 13.63 61 Jack Snipe Lymnocryptes minimus 155 37.71 62 Woodcock Scolopax rusticola 245 59.61 63 Snipe Gallinago gallinago 350 85.16 64 Grey Phalarope Phalaropus fulicarius 111 27.01 65 Common Sandpiper Actitis hypoleucos 307 74.70 66 Green Sandpiper Tringa ochropus 288 70.07 67 Wood Sandpiper Tringa glareola 188 45.74 68 Redshank Tringa totanus 372 90.51 69 Lesser Yellowlegs Tringa flavipes 102 24.82 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 Pectoral Sandpiper Calidris melanotos 117 28.47 80 Little Tern Sternula albifrons 170 41.36 81 Arctic Tern Sterna paradisaea 167 40.63 82 Common Tern Sterna hirundo 322 78.35 83 Sandwich Tern Thalasseus sandvicensis 284 69.10 84 Kittiwake Rissa tridactyla 270 65.69 85 Sabine's Gull Xema sabini 47 11.44 86 Black-headed Gull Chroicocephalus ridibundus 394 95.86 87 Franklin's Gull Leucophaeus pipixcan 22 5.35 88 Mediterranean Gull Ichthyaetus melanocephalus 310 75.43 89 Common Gull Larus canus 367 89.29 90 Herring Gull Larus argentatus 389 94.65 91 Great Black-backed Gull Larus marinus 374 91.00 92 Lesser Black-backed Gull Larus fuscus 374 91.00 93 Great Skua Stercorarius skua 151 36.74 94 Puffin Fratercula arctica 170 41.36 95 Razorbill Alca torda 247 60.10 96 Common Guillemot Uria aalge 282 68.61 97 Great Northern Diver Gavia immer 231 56.20 98 Fulmar Fulmarus glacialis 283 68.86 99 Manx Shearwater Puffinus puffinus 169 41.12 100 Yelkouan Shearwater Puffinus yelkouan 18 4.38 101 Balearic Shearwater Puffinus mauretanicus 75 18.25 102 Gannet Morus bassanus 318 77.37 103 Cormorant Phalacrocorax carbo 393 95.62 104 Shag Gulosus aristotelis 282 68.61 105 Glossy Ibis Plegadis falcinellus 115 27.98 106 Spoonbill Platalea leucorodia 246 59.85 107 Bittern Botaurus stellaris 164 39.90 108 Little Egret Egretta garzetta 388 94.40 109 Cattle Egret Bubulcus ibis 251 61.07 110 Great White Egret Ardea alba 337 82.00 111 Grey Heron Ardea cinerea 393 95.62 112 Purple Heron Ardea purpurea 67 16.30 113 Osprey Pandion haliaetus 189 45.99 114 Sparrowhawk Accipiter nisus 384 93.43 115 Goshawk Accipiter gentilis 177 43.07 116 Marsh Harrier Circus aeruginosus 349 84.91 117 Hen Harrier Circus cyaneus 236 57.42 118 Red Kite Milvus milvus 368 89.54 119 Rough-legged Buzzard Buteo lagopus 133 32.36 120 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 Great Spotted Woodpecker Dendrocopos major 382 92.94 129 Green Woodpecker Picus viridis 340 82.73 130 Kestrel Falco tinnunculus 394 95.86 131 Merlin Falco columbarius 254 61.80 132 Hobby Falco subbuteo 278 67.64 133 Peregrine Falco peregrinus 346 84.18 134 Red-backed Shrike Lanius collurio 144 35.04 135 Jay Garrulus glandarius 376 91.48 136 Magpie Pica pica 399 97.08 137 Jackdaw Coloeus monedula 393 95.62 138 Rook Corvus frugilegus 388 94.40 139 Carrion Crow Corvus corone 398 96.84 140 Raven Corvus corax 341 82.97 141 Coal Tit Periparus ater 387 94.16 142 Marsh Tit Poecile palustris 282 68.61 143 Willow Tit Poecile montanus 168 40.88 144 Blue Tit Cyanistes caeruleus 398 96.84 145 Great Tit Parus major 398 96.84 146 Bearded Tit Panurus biarmicus 210 51.09 147 Skylark Alauda arvensis 369 89.78 148 Shore Lark Eremophila alpestris 93 22.63 149 Sand Martin Riparia riparia 339 82.48 150 Swallow Hirundo rustica 368 89.54 151 House Martin Delichon urbicum 352 85.64 152 Cetti's Warbler Cettia cetti 313 76.16 153 Long-tailed Tit Aegithalos caudatus 392 95.38 154 Wood Warbler Phylloscopus sibilatrix 101 24.57 155 Yellow-browed Warbler Phylloscopus inornatus 192 46.72 156 Dusky Warbler Phylloscopus fuscatus 86 20.92 157 Willow Warbler Phylloscopus trochilus 333 81.02 158 Chiffchaff Phylloscopus collybita 373 90.75 159 Sedge Warbler Acrocephalus schoenobaenus 312 75.91 160 Blyth's Reed Warbler Acrocephalus dumetorum 86 20.92 161 Reed Warbler Acrocephalus scirpaceus 301 73.24 162 Grasshopper Warbler Locustella naevia 177 43.07 163 Blackcap Sylvia atricapilla 356 86.62 164 Garden Warbler Sylvia borin 260 63.26 165 Barred Warbler Curruca nisoria 88 21.41 166 Lesser Whitethroat Curruca curruca 265 64.48 167 Whitethroat Curruca communis 333 81.02 168 Firecrest Regulus ignicapilla 205 49.88 169 Goldcrest Regulus regulus 368 89.54 170 Wren Troglodytes troglodytes 395 96.11 171 Nuthatch Sitta europaea 369 89.78 172 Treecreeper Certhia familiaris 354 86.13 173 Rose-coloured Starling Pastor roseus 108 26.28 174 Starling Sturnus vulgaris 397 96.59 175 Swainson's Thrush Catharus ustulatus 22 5.35 176 Siberian Thrush Geokichla sibirica 9 2.19 177 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 Nightingale Luscinia megarhynchos 110 26.76 186 Red-breasted Flycatcher Ficedula parva 90 21.90 187 Pied Flycatcher Ficedula hypoleuca 208 50.61 188 Red-flanked Bluetail Tarsiger cyanurus 105 25.55 189 Black Redstart Phoenicurus ochruros 191 46.47 190 Redstart Phoenicurus phoenicurus 247 60.10 191 Whinchat Saxicola rubetra 251 61.07 192 Stejneger's Stonechat Saxicola stejnegeri 36 8.76 193 Siberian Stonechat Saxicola maurus 78 18.98 194 Stonechat Saxicola rubicola 375 91.24 195 Wheatear Oenanthe oenanthe 314 76.40 196 Dipper Cinclus cinclus 229 55.72 197 Tree Sparrow Passer montanus 267 64.96 198 House Sparrow Passer domesticus 396 96.35 199 Dunnock Prunella modularis 394 95.86 200 Yellow Wagtail Motacilla flava 268 65.21 201 Eastern Yellow Wagtail Motacilla tschutschensis 132 32.12 202 Grey Wagtail Motacilla cinerea 359 87.35 203 Pied Wagtail Motacilla alba 395 96.11 204 Meadow Pipit Anthus pratensis 373 90.75 205 Tree Pipit Anthus trivialis 204 49.64 206 Buff-bellied Pipit Anthus rubescens 28 6.81 207 Water Pipit Anthus spinoletta 172 41.85 208 Rock Pipit Anthus petrosus 290 70.56 209 Chaffinch Fringilla coelebs 397 96.59 210 Brambling Fringilla montifringilla 250 60.83 211 Bullfinch Pyrrhula pyrrhula 369 89.78 212 Common Rosefinch Carpodacus erythrinus 19 4.62 213 Greenfinch Chloris chloris 377 91.73 214 Twite Linaria flavirostris 163 39.66 215 Linnet Linaria cannabina 368 89.54 216 Lesser Redpoll Acanthis cabaret 263 63.99 217 Common Crossbill Loxia curvirostra 245 59.61 218 Goldfinch Carduelis carduelis 393 95.62 219 Siskin Spinus spinus 339 82.48 220 Snow Bunting Plectrophenax nivalis 200 48.66 221 Corn Bunting Emberiza calandra 216 52.55 222 Yellowhammer Emberiza citrinella 349 84.91 223 Cirl Bunting Emberiza cirlus 68 16.55 224 Little Bunting Emberiza pusilla 63 15.33 225 Reed Bunting Emberiza schoeniclus 377 91.73