Gary James: Britain Year List 2021 BOU, All records: Top Blockers Record(s) 1 to 167 of 167 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Canada Goose Branta canadensis 460 98.08 2 Greylag Goose Anser anser 449 95.74 3 Pink-footed Goose Anser brachyrhynchus 357 76.12 4 White-fronted Goose Anser albifrons 238 50.75 5 Mute Swan Cygnus olor 461 98.29 6 Whooper Swan Cygnus cygnus 310 66.10 7 Shelduck Tadorna tadorna 441 94.03 8 Mandarin Duck Aix galericulata 310 66.10 9 Garganey Spatula querquedula 282 60.13 10 Shoveler Spatula clypeata 444 94.67 11 Gadwall Mareca strepera 442 94.24 12 Wigeon Mareca penelope 442 94.24 13 Mallard Anas platyrhynchos 461 98.29 14 Pintail Anas acuta 390 83.16 15 Teal Anas crecca 445 94.88 16 Pochard Aythya ferina 426 90.83 17 Tufted Duck Aythya fuligula 457 97.44 18 Long-tailed Duck Clangula hyemalis 205 43.71 19 Goldeneye Bucephala clangula 383 81.66 20 Goosander Mergus merganser 390 83.16 21 Red-breasted Merganser Mergus serrator 324 69.08 22 Pheasant Phasianus colchicus 454 96.80 23 Red-legged Partridge Alectoris rufa 400 85.29 24 Nightjar Caprimulgus europaeus 205 43.71 25 Swift Apus apus 430 91.68 26 Cuckoo Cuculus canorus 382 81.45 27 Rock Dove (Feral Pigeon) Columba livia 403 85.93 28 Stock Dove Columba oenas 416 88.70 29 Woodpigeon Columba palumbus 463 98.72 30 Collared Dove Streptopelia decaocto 453 96.59 31 Water Rail Rallus aquaticus 353 75.27 32 Moorhen Gallinula chloropus 458 97.65 33 Coot Fulica atra 456 97.23 34 Little Grebe Tachybaptus ruficollis 443 94.46 35 Great Crested Grebe Podiceps cristatus 447 95.31 36 Slavonian Grebe Podiceps auritus 235 50.11 37 Black-necked Grebe Podiceps nigricollis 255 54.37 38 Oystercatcher Haematopus ostralegus 448 95.52 39 Avocet Recurvirostra avosetta 394 84.01 40 Golden Plover Pluvialis apricaria 389 82.94 41 Ringed Plover Charadrius hiaticula 399 85.07 42 Little Ringed Plover Charadrius dubius 360 76.76 43 Lapwing Vanellus vanellus 453 96.59 44 White-tailed Plover Vanellus leucurus 200 42.64 45 Curlew Numenius arquata 436 92.96 46 Black-tailed Godwit Limosa limosa 411 87.63 47 Woodcock Scolopax rusticola 291 62.05 48 Snipe Gallinago gallinago 413 88.06 49 Common Sandpiper Actitis hypoleucos 397 84.65 50 Green Sandpiper Tringa ochropus 351 74.84 51 Wood Sandpiper Tringa glareola 270 57.57 52 Redshank Tringa totanus 434 92.54 53 Spotted Redshank Tringa erythropus 331 70.58 54 Greenshank Tringa nebularia 382 81.45 55 Turnstone Arenaria interpres 411 87.63 56 Ruff Calidris pugnax 369 78.68 57 Long-toed Stint Calidris subminuta 128 27.29 58 Sanderling Calidris alba 369 78.68 59 Dunlin Calidris alpina 418 89.13 60 Little Stint Calidris minuta 290 61.83 61 Common Tern Sterna hirundo 407 86.78 62 Sandwich Tern Thalasseus sandvicensis 372 79.32 63 Little Gull Hydrocoloeus minutus 281 59.91 64 Kittiwake Rissa tridactyla 382 81.45 65 Black-headed Gull Chroicocephalus ridibundus 460 98.08 66 Common Gull Larus canus 418 89.13 67 Caspian Gull Larus cachinnans 184 39.23 68 Herring Gull Larus argentatus 457 97.44 69 Yellow-legged Gull Larus michahellis 226 48.19 70 Great Black-backed Gull Larus marinus 433 92.32 71 Lesser Black-backed Gull Larus fuscus 448 95.52 72 Long-tailed Skua Stercorarius longicaudus 87 18.55 73 Puffin Fratercula arctica 305 65.03 74 Black Guillemot Cepphus grylle 206 43.92 75 Razorbill Alca torda 377 80.38 76 Common Guillemot Uria aalge 387 82.52 77 Fulmar Fulmarus glacialis 389 82.94 78 Gannet Morus bassanus 405 86.35 79 Cormorant Phalacrocorax carbo 457 97.44 80 Shag Gulosus aristotelis 370 78.89 81 Glossy Ibis Plegadis falcinellus 213 45.42 82 Spoonbill Platalea leucorodia 335 71.43 83 Bittern Botaurus stellaris 294 62.69 84 Little Egret Egretta garzetta 444 94.67 85 Cattle Egret Bubulcus ibis 300 63.97 86 Great White Egret Ardea alba 387 82.52 87 Grey Heron Ardea cinerea 454 96.80 88 Golden Eagle Aquila chrysaetos 81 17.27 89 Sparrowhawk Accipiter nisus 443 94.46 90 Goshawk Accipiter gentilis 195 41.58 91 Marsh Harrier Circus aeruginosus 406 86.57 92 Red Kite Milvus milvus 434 92.54 93 Buzzard Buteo buteo 457 97.44 94 Barn Owl Tyto alba 371 79.10 95 Little Owl Athene noctua 281 59.91 96 Tawny Owl Strix aluco 364 77.61 97 Kingfisher Alcedo atthis 410 87.42 98 Great Spotted Woodpecker Dendrocopos major 443 94.46 99 Green Woodpecker Picus viridis 395 84.22 100 Kestrel Falco tinnunculus 453 96.59 101 Peregrine Falco peregrinus 421 89.77 102 Ring-necked Parakeet Psittacula krameri 290 61.83 103 Jay Garrulus glandarius 447 95.31 104 Magpie Pica pica 460 98.08 105 Jackdaw Coloeus monedula 459 97.87 106 Rook Corvus frugilegus 453 96.59 107 Carrion Crow Corvus corone 460 98.08 108 Hooded Crow Corvus cornix 193 41.15 109 Raven Corvus corax 415 88.49 110 Coal Tit Periparus ater 446 95.10 111 Crested Tit Lophophanes cristatus 63 13.43 112 Blue Tit Cyanistes caeruleus 463 98.72 113 Great Tit Parus major 461 98.29 114 Bearded Tit Panurus biarmicus 299 63.75 115 Skylark Alauda arvensis 440 93.82 116 Sand Martin Riparia riparia 426 90.83 117 Swallow Hirundo rustica 437 93.18 118 House Martin Delichon urbicum 432 92.11 119 Cetti's Warbler Cettia cetti 387 82.52 120 Long-tailed Tit Aegithalos caudatus 453 96.59 121 Willow Warbler Phylloscopus trochilus 415 88.49 122 Chiffchaff Phylloscopus collybita 441 94.03 123 Sedge Warbler Acrocephalus schoenobaenus 413 88.06 124 Reed Warbler Acrocephalus scirpaceus 399 85.07 125 Blackcap Sylvia atricapilla 437 93.18 126 Garden Warbler Sylvia borin 343 73.13 127 Lesser Whitethroat Curruca curruca 332 70.79 128 Whitethroat Curruca communis 421 89.77 129 Goldcrest Regulus regulus 427 91.04 130 Wren Troglodytes troglodytes 458 97.65 131 Nuthatch Sitta europaea 431 91.90 132 Treecreeper Certhia familiaris 420 89.55 133 Starling Sturnus vulgaris 458 97.65 134 Song Thrush Turdus philomelos 454 96.80 135 Mistle Thrush Turdus viscivorus 437 93.18 136 Redwing Turdus iliacus 443 94.46 137 Blackbird Turdus merula 462 98.51 138 Fieldfare Turdus pilaris 422 89.98 139 Ring Ouzel Turdus torquatus 261 55.65 140 Spotted Flycatcher Muscicapa striata 330 70.36 141 Robin Erithacus rubecula 462 98.51 142 Pied Flycatcher Ficedula hypoleuca 286 60.98 143 Black Redstart Phoenicurus ochruros 230 49.04 144 Stonechat Saxicola rubicola 432 92.11 145 Wheatear Oenanthe oenanthe 409 87.21 146 Dipper Cinclus cinclus 289 61.62 147 Tree Sparrow Passer montanus 328 69.94 148 House Sparrow Passer domesticus 458 97.65 149 Dunnock Prunella modularis 462 98.51 150 Yellow Wagtail Motacilla flava 368 78.46 151 Grey Wagtail Motacilla cinerea 440 93.82 152 Pied Wagtail Motacilla alba 460 98.08 153 Meadow Pipit Anthus pratensis 434 92.54 154 Tree Pipit Anthus trivialis 307 65.46 155 Rock Pipit Anthus petrosus 372 79.32 156 Chaffinch Fringilla coelebs 457 97.44 157 Brambling Fringilla montifringilla 310 66.10 158 Bullfinch Pyrrhula pyrrhula 429 91.47 159 Greenfinch Chloris chloris 453 96.59 160 Twite Linaria flavirostris 178 37.95 161 Linnet Linaria cannabina 437 93.18 162 Lesser Redpoll Acanthis cabaret 341 72.71 163 Common Crossbill Loxia curvirostra 263 56.08 164 Goldfinch Carduelis carduelis 454 96.80 165 Siskin Spinus spinus 414 88.27 166 Yellowhammer Emberiza citrinella 407 86.78 167 Reed Bunting Emberiza schoeniclus 439 93.60