Tony Jackson: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 261 of 261 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 Cackling Goose Branta hutchinsii 19 4.05 5 Greylag Goose Anser anser 449 95.74 6 Pink-footed Goose Anser brachyrhynchus 357 76.12 7 White-fronted Goose Anser albifrons 238 50.75 8 Mute Swan Cygnus olor 461 98.29 9 Bewick's Swan Cygnus columbianus 135 28.78 10 Whooper Swan Cygnus cygnus 310 66.10 11 Egyptian Goose Alopochen aegyptiaca 370 78.89 12 Shelduck Tadorna tadorna 441 94.03 13 Mandarin Duck Aix galericulata 310 66.10 14 Garganey Spatula querquedula 282 60.13 15 Shoveler Spatula clypeata 444 94.67 16 Gadwall Mareca strepera 442 94.24 17 Wigeon Mareca penelope 442 94.24 18 American Wigeon Mareca americana 68 14.50 19 Mallard Anas platyrhynchos 461 98.29 20 Pintail Anas acuta 390 83.16 21 Teal Anas crecca 445 94.88 22 Green-winged Teal Anas carolinensis 74 15.78 23 Red-crested Pochard Netta rufina 170 36.25 24 Pochard Aythya ferina 426 90.83 25 Ferruginous Duck Aythya nyroca 44 9.38 26 Ring-necked Duck Aythya collaris 190 40.51 27 Tufted Duck Aythya fuligula 457 97.44 28 Scaup Aythya marila 244 52.03 29 Eider Somateria mollissima 333 71.00 30 Common Scoter Melanitta nigra 347 73.99 31 Long-tailed Duck Clangula hyemalis 205 43.71 32 Goldeneye Bucephala clangula 383 81.66 33 Smew Mergellus albellus 159 33.90 34 Goosander Mergus merganser 390 83.16 35 Red-breasted Merganser Mergus serrator 324 69.08 36 Ruddy Duck Oxyura jamaicensis 35 7.46 37 Red Grouse Lagopus lagopus 209 44.56 38 Black Grouse Lyrurus tetrix 102 21.75 39 Grey Partridge Perdix perdix 294 62.69 40 Pheasant Phasianus colchicus 454 96.80 41 Red-legged Partridge Alectoris rufa 400 85.29 42 Nightjar Caprimulgus europaeus 205 43.71 43 Swift Apus apus 430 91.68 44 Cuckoo Cuculus canorus 382 81.45 45 Rock Dove (Feral Pigeon) Columba livia 403 85.93 46 Stock Dove Columba oenas 416 88.70 47 Woodpigeon Columba palumbus 463 98.72 48 Collared Dove Streptopelia decaocto 453 96.59 49 Water Rail Rallus aquaticus 353 75.27 50 Moorhen Gallinula chloropus 458 97.65 51 Coot Fulica atra 456 97.23 52 Crane Grus grus 199 42.43 53 Little Grebe Tachybaptus ruficollis 443 94.46 54 Pied-billed Grebe Podilymbus podiceps 21 4.48 55 Red-necked Grebe Podiceps grisegena 141 30.06 56 Great Crested Grebe Podiceps cristatus 447 95.31 57 Slavonian Grebe Podiceps auritus 235 50.11 58 Black-necked Grebe Podiceps nigricollis 255 54.37 59 Oystercatcher Haematopus ostralegus 448 95.52 60 Black-winged Stilt Himantopus himantopus 82 17.48 61 Avocet Recurvirostra avosetta 394 84.01 62 Grey Plover Pluvialis squatarola 343 73.13 63 Golden Plover Pluvialis apricaria 389 82.94 64 Pacific Golden Plover Pluvialis fulva 133 28.36 65 American Golden Plover Pluvialis dominica 73 15.57 66 Ringed Plover Charadrius hiaticula 399 85.07 67 Little Ringed Plover Charadrius dubius 360 76.76 68 Lapwing Vanellus vanellus 453 96.59 69 White-tailed Plover Vanellus leucurus 200 42.64 70 Eurasian Whimbrel Numenius phaeopus 349 74.41 71 Curlew Numenius arquata 436 92.96 72 Bar-tailed Godwit Limosa lapponica 368 78.46 73 Black-tailed Godwit Limosa limosa 411 87.63 74 Long-billed Dowitcher Limnodromus scolopaceus 42 8.96 75 Snipe Gallinago gallinago 413 88.06 76 Wilson's Phalarope Phalaropus tricolor 42 8.96 77 Grey Phalarope Phalaropus fulicarius 114 24.31 78 Red-necked Phalarope Phalaropus lobatus 65 13.86 79 Common Sandpiper Actitis hypoleucos 397 84.65 80 Green Sandpiper Tringa ochropus 351 74.84 81 Wood Sandpiper Tringa glareola 270 57.57 82 Redshank Tringa totanus 434 92.54 83 Lesser Yellowlegs Tringa flavipes 45 9.59 84 Spotted Redshank Tringa erythropus 331 70.58 85 Greenshank Tringa nebularia 382 81.45 86 Turnstone Arenaria interpres 411 87.63 87 Knot Calidris canutus 349 74.41 88 Ruff Calidris pugnax 369 78.68 89 Curlew Sandpiper Calidris ferruginea 260 55.44 90 Temminck's Stint Calidris temminckii 89 18.98 91 Long-toed Stint Calidris subminuta 128 27.29 92 Red-necked Stint Calidris ruficollis 58 12.37 93 Sanderling Calidris alba 369 78.68 94 Dunlin Calidris alpina 418 89.13 95 Purple Sandpiper Calidris maritima 265 56.50 96 Baird's Sandpiper Calidris bairdii 20 4.26 97 Little Stint Calidris minuta 290 61.83 98 Pectoral Sandpiper Calidris melanotos 177 37.74 99 Western Sandpiper Calidris mauri 59 12.58 100 Little Tern Sternula albifrons 286 60.98 101 Whiskered Tern Chlidonias hybrida 35 7.46 102 Black Tern Chlidonias niger 167 35.61 103 White-winged Black Tern Chlidonias leucopterus 12 2.56 104 Arctic Tern Sterna paradisaea 290 61.83 105 Common Tern Sterna hirundo 407 86.78 106 Roseate Tern Sterna dougallii 143 30.49 107 Sandwich Tern Thalasseus sandvicensis 372 79.32 108 Elegant Tern Thalasseus elegans 84 17.91 109 Little Gull Hydrocoloeus minutus 281 59.91 110 Kittiwake Rissa tridactyla 382 81.45 111 Bonaparte's Gull Chroicocephalus philadelphia 107 22.81 112 Black-headed Gull Chroicocephalus ridibundus 460 98.08 113 Mediterranean Gull Ichthyaetus melanocephalus 366 78.04 114 Common Gull Larus canus 418 89.13 115 Caspian Gull Larus cachinnans 184 39.23 116 Herring Gull Larus argentatus 457 97.44 117 Yellow-legged Gull Larus michahellis 226 48.19 118 Great Black-backed Gull Larus marinus 433 92.32 119 Lesser Black-backed Gull Larus fuscus 448 95.52 120 Iceland Gull Larus glaucoides 158 33.69 121 Great Skua Stercorarius skua 216 46.06 122 Puffin Fratercula arctica 305 65.03 123 Black Guillemot Cepphus grylle 206 43.92 124 Razorbill Alca torda 377 80.38 125 Common Guillemot Uria aalge 387 82.52 126 Red-throated Diver Gavia stellata 330 70.36 127 Black-throated Diver Gavia arctica 178 37.95 128 Great Northern Diver Gavia immer 287 61.19 129 White-billed Diver Gavia adamsii 48 10.23 130 Black-browed Albatross Thalassarche melanophris 200 42.64 131 Fulmar Fulmarus glacialis 389 82.94 132 Manx Shearwater Puffinus puffinus 246 52.45 133 Balearic Shearwater Puffinus mauretanicus 94 20.04 134 Black Stork Ciconia nigra 82 17.48 135 Gannet Morus bassanus 405 86.35 136 Cormorant Phalacrocorax carbo 457 97.44 137 Shag Gulosus aristotelis 370 78.89 138 Glossy Ibis Plegadis falcinellus 213 45.42 139 Spoonbill Platalea leucorodia 335 71.43 140 Bittern Botaurus stellaris 294 62.69 141 Little Egret Egretta garzetta 444 94.67 142 Cattle Egret Bubulcus ibis 300 63.97 143 Great White Egret Ardea alba 387 82.52 144 Grey Heron Ardea cinerea 454 96.80 145 Osprey Pandion haliaetus 294 62.69 146 Honey-buzzard Pernis apivorus 83 17.70 147 Golden Eagle Aquila chrysaetos 81 17.27 148 Sparrowhawk Accipiter nisus 443 94.46 149 Goshawk Accipiter gentilis 195 41.58 150 Marsh Harrier Circus aeruginosus 406 86.57 151 Hen Harrier Circus cyaneus 227 48.40 152 Red Kite Milvus milvus 434 92.54 153 White-tailed Eagle Haliaeetus albicilla 114 24.31 154 Buzzard Buteo buteo 457 97.44 155 Barn Owl Tyto alba 371 79.10 156 Little Owl Athene noctua 281 59.91 157 Long-eared Owl Asio otus 113 24.09 158 Short-eared Owl Asio flammeus 262 55.86 159 Tawny Owl Strix aluco 364 77.61 160 Hoopoe Upupa epops 92 19.62 161 Kingfisher Alcedo atthis 410 87.42 162 Belted Kingfisher Megaceryle alcyon 93 19.83 163 Wryneck Jynx torquilla 108 23.03 164 Great Spotted Woodpecker Dendrocopos major 443 94.46 165 Green Woodpecker Picus viridis 395 84.22 166 Kestrel Falco tinnunculus 453 96.59 167 Hobby Falco subbuteo 347 73.99 168 Peregrine Falco peregrinus 421 89.77 169 Ring-necked Parakeet Psittacula krameri 290 61.83 170 Great Grey Shrike Lanius excubitor 67 14.29 171 Jay Garrulus glandarius 447 95.31 172 Magpie Pica pica 460 98.08 173 Chough Pyrrhocorax pyrrhocorax 194 41.36 174 Jackdaw Coloeus monedula 459 97.87 175 Rook Corvus frugilegus 453 96.59 176 Carrion Crow Corvus corone 460 98.08 177 Hooded Crow Corvus cornix 193 41.15 178 Raven Corvus corax 415 88.49 179 Coal Tit Periparus ater 446 95.10 180 Crested Tit Lophophanes cristatus 63 13.43 181 Marsh Tit Poecile palustris 318 67.80 182 Willow Tit Poecile montanus 179 38.17 183 Blue Tit Cyanistes caeruleus 463 98.72 184 Great Tit Parus major 461 98.29 185 Bearded Tit Panurus biarmicus 299 63.75 186 Woodlark Lullula arborea 210 44.78 187 Skylark Alauda arvensis 440 93.82 188 Shore Lark Eremophila alpestris 122 26.01 189 Sand Martin Riparia riparia 426 90.83 190 Swallow Hirundo rustica 437 93.18 191 House Martin Delichon urbicum 432 92.11 192 Cetti's Warbler Cettia cetti 387 82.52 193 Long-tailed Tit Aegithalos caudatus 453 96.59 194 Wood Warbler Phylloscopus sibilatrix 179 38.17 195 Dusky Warbler Phylloscopus fuscatus 60 12.79 196 Willow Warbler Phylloscopus trochilus 415 88.49 197 Chiffchaff Phylloscopus collybita 441 94.03 198 Green Warbler Phylloscopus nitidus 91 19.40 199 Two-barred Greenish Warbler Phylloscopus plumbeitarsus 69 14.71 200 Great Reed Warbler Acrocephalus arundinaceus 92 19.62 201 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 202 Blyth's Reed Warbler Acrocephalus dumetorum 43 9.17 203 Reed Warbler Acrocephalus scirpaceus 399 85.07 204 Grasshopper Warbler Locustella naevia 264 56.29 205 Blackcap Sylvia atricapilla 437 93.18 206 Garden Warbler Sylvia borin 343 73.13 207 Lesser Whitethroat Curruca curruca 332 70.79 208 Whitethroat Curruca communis 421 89.77 209 Dartford Warbler Curruca undata 184 39.23 210 Firecrest Regulus ignicapilla 198 42.22 211 Goldcrest Regulus regulus 427 91.04 212 Wren Troglodytes troglodytes 458 97.65 213 Nuthatch Sitta europaea 431 91.90 214 Treecreeper Certhia familiaris 420 89.55 215 Northern Mockingbird Mimus polyglottos 132 28.14 216 Rose-coloured Starling Pastor roseus 99 21.11 217 Starling Sturnus vulgaris 458 97.65 218 Song Thrush Turdus philomelos 454 96.80 219 Mistle Thrush Turdus viscivorus 437 93.18 220 Redwing Turdus iliacus 443 94.46 221 Blackbird Turdus merula 462 98.51 222 Fieldfare Turdus pilaris 422 89.98 223 Ring Ouzel Turdus torquatus 261 55.65 224 Spotted Flycatcher Muscicapa striata 330 70.36 225 Robin Erithacus rubecula 462 98.51 226 Bluethroat Luscinia svecica 83 17.70 227 Pied Flycatcher Ficedula hypoleuca 286 60.98 228 Black Redstart Phoenicurus ochruros 230 49.04 229 Redstart Phoenicurus phoenicurus 335 71.43 230 Whinchat Saxicola rubetra 302 64.39 231 Stonechat Saxicola rubicola 432 92.11 232 Wheatear Oenanthe oenanthe 409 87.21 233 Dipper Cinclus cinclus 289 61.62 234 Tree Sparrow Passer montanus 328 69.94 235 House Sparrow Passer domesticus 458 97.65 236 Dunnock Prunella modularis 462 98.51 237 Yellow Wagtail Motacilla flava 368 78.46 238 Grey Wagtail Motacilla cinerea 440 93.82 239 Pied Wagtail Motacilla alba 460 98.08 240 Tawny Pipit Anthus campestris 14 2.99 241 Meadow Pipit Anthus pratensis 434 92.54 242 Tree Pipit Anthus trivialis 307 65.46 243 Water Pipit Anthus spinoletta 155 33.05 244 Rock Pipit Anthus petrosus 372 79.32 245 Chaffinch Fringilla coelebs 457 97.44 246 Brambling Fringilla montifringilla 310 66.10 247 Hawfinch Coccothraustes coccothraustes 170 36.25 248 Bullfinch Pyrrhula pyrrhula 429 91.47 249 Greenfinch Chloris chloris 453 96.59 250 Twite Linaria flavirostris 178 37.95 251 Linnet Linaria cannabina 437 93.18 252 Lesser Redpoll Acanthis cabaret 341 72.71 253 Common Crossbill Loxia curvirostra 263 56.08 254 Two-barred Crossbill Loxia leucoptera 22 4.69 255 Goldfinch Carduelis carduelis 454 96.80 256 Siskin Spinus spinus 414 88.27 257 Snow Bunting Plectrophenax nivalis 254 54.16 258 Corn Bunting Emberiza calandra 289 61.62 259 Yellowhammer Emberiza citrinella 407 86.78 260 Little Bunting Emberiza pusilla 110 23.45 261 Reed Bunting Emberiza schoeniclus 439 93.60