David Williams: Britain Life List BOU, All records: Top Blockers Record(s) 1 to 349 of 349 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 1957 83.49 2 Red-breasted Goose Branta ruficollis 1131 48.25 3 Canada Goose Branta canadensis 2155 91.94 4 Barnacle Goose Branta leucopsis 1946 83.02 5 Cackling Goose Branta hutchinsii 575 24.53 6 Snow Goose Anser caerulescens 1049 44.75 7 Greylag Goose Anser anser 2108 89.93 8 Taiga Bean Goose Anser fabalis 942 40.19 9 Pink-footed Goose Anser brachyrhynchus 1892 80.72 10 Tundra Bean Goose Anser serrirostris 1114 47.53 11 White-fronted Goose Anser albifrons 1784 76.11 12 Mute Swan Cygnus olor 2174 92.75 13 Bewick's Swan Cygnus columbianus 1769 75.47 14 Whooper Swan Cygnus cygnus 1927 82.21 15 Egyptian Goose Alopochen aegyptiaca 1943 82.89 16 Shelduck Tadorna tadorna 2101 89.63 17 Mandarin Duck Aix galericulata 1915 81.70 18 Baikal Teal Sibirionetta formosa 783 33.40 19 Garganey Spatula querquedula 1796 76.62 20 Blue-winged Teal Spatula discors 989 42.19 21 Shoveler Spatula clypeata 2070 88.31 22 Gadwall Mareca strepera 2048 87.37 23 Wigeon Mareca penelope 2083 88.87 24 American Wigeon Mareca americana 1330 56.74 25 Mallard Anas platyrhynchos 2145 91.51 26 Pintail Anas acuta 1975 84.26 27 Teal Anas crecca 2090 89.16 28 Green-winged Teal Anas carolinensis 1425 60.79 29 Red-crested Pochard Netta rufina 1672 71.33 30 Pochard Aythya ferina 2047 87.33 31 Ferruginous Duck Aythya nyroca 1271 54.22 32 Ring-necked Duck Aythya collaris 1512 64.51 33 Tufted Duck Aythya fuligula 2097 89.46 34 Scaup Aythya marila 1768 75.43 35 Lesser Scaup Aythya affinis 1245 53.11 36 King Eider Somateria spectabilis 1029 43.90 37 Eider Somateria mollissima 1890 80.63 38 Surf Scoter Melanitta perspicillata 1224 52.22 39 Velvet Scoter Melanitta fusca 1558 66.47 40 White-winged Scoter Melanitta deglandi 389 16.60 41 Stejneger's Scoter Melanitta stejnegeri 245 10.45 42 Common Scoter Melanitta nigra 1823 77.77 43 Black Scoter Melanitta americana 594 25.34 44 Long-tailed Duck Clangula hyemalis 1731 73.85 45 Bufflehead Bucephala albeola 615 26.24 46 Goldeneye Bucephala clangula 1976 84.30 47 Barrow's Goldeneye Bucephala islandica 296 12.63 48 Smew Mergellus albellus 1743 74.36 49 Goosander Mergus merganser 1963 83.75 50 Red-breasted Merganser Mergus serrator 1866 79.61 51 Ruddy Duck Oxyura jamaicensis 1531 65.32 52 Red Grouse Lagopus lagopus 1712 73.04 53 Ptarmigan Lagopus muta 1142 48.72 54 Capercaillie Tetrao urogallus 989 42.19 55 Black Grouse Lyrurus tetrix 1393 59.43 56 Grey Partridge Perdix perdix 1825 77.86 57 Pheasant Phasianus colchicus 2118 90.36 58 Red-legged Partridge Alectoris rufa 1955 83.40 59 Nightjar Caprimulgus europaeus 1597 68.13 60 Swift Apus apus 2037 86.90 61 Pallid Swift Apus pallidus 690 29.44 62 Cuckoo Cuculus canorus 1913 81.61 63 Rock Dove (Feral Pigeon) Columba livia 1880 80.20 64 Stock Dove Columba oenas 1950 83.19 65 Woodpigeon Columba palumbus 2098 89.51 66 Turtle Dove Streptopelia turtur 1617 68.98 67 Collared Dove Streptopelia decaocto 2065 88.10 68 Water Rail Rallus aquaticus 1893 80.76 69 Spotted Crake Porzana porzana 1281 54.65 70 Moorhen Gallinula chloropus 2105 89.80 71 Coot Fulica atra 2101 89.63 72 Crane Grus grus 1615 68.90 73 Little Grebe Tachybaptus ruficollis 2048 87.37 74 Red-necked Grebe Podiceps grisegena 1562 66.64 75 Great Crested Grebe Podiceps cristatus 2073 88.44 76 Slavonian Grebe Podiceps auritus 1712 73.04 77 Black-necked Grebe Podiceps nigricollis 1704 72.70 78 Stone-curlew Burhinus oedicnemus 1466 62.54 79 Oystercatcher Haematopus ostralegus 2072 88.40 80 Black-winged Stilt Himantopus himantopus 1421 60.62 81 Avocet Recurvirostra avosetta 1966 83.87 82 Grey Plover Pluvialis squatarola 1847 78.80 83 Golden Plover Pluvialis apricaria 1923 82.04 84 Pacific Golden Plover Pluvialis fulva 818 34.90 85 American Golden Plover Pluvialis dominica 1087 46.37 86 Dotterel Eudromias morinellus 1375 58.66 87 Ringed Plover Charadrius hiaticula 1971 84.09 88 Little Ringed Plover Charadrius dubius 1859 79.31 89 Lapwing Vanellus vanellus 2075 88.52 90 Grey-headed Lapwing Vanellus cinereus 326 13.91 91 Eurasian Whimbrel Numenius phaeopus 1825 77.86 92 Curlew Numenius arquata 2041 87.07 93 Bar-tailed Godwit Limosa lapponica 1876 80.03 94 Black-tailed Godwit Limosa limosa 1975 84.26 95 Long-billed Dowitcher Limnodromus scolopaceus 1311 55.93 96 Jack Snipe Lymnocryptes minimus 1647 70.26 97 Woodcock Scolopax rusticola 1764 75.26 98 Snipe Gallinago gallinago 1994 85.07 99 Wilson's Phalarope Phalaropus tricolor 958 40.87 100 Grey Phalarope Phalaropus fulicarius 1438 61.35 101 Red-necked Phalarope Phalaropus lobatus 1386 59.13 102 Common Sandpiper Actitis hypoleucos 1908 81.40 103 Spotted Sandpiper Actitis macularius 1042 44.45 104 Green Sandpiper Tringa ochropus 1817 77.52 105 Wood Sandpiper Tringa glareola 1642 70.05 106 Redshank Tringa totanus 2037 86.90 107 Lesser Yellowlegs Tringa flavipes 1301 55.50 108 Spotted Redshank Tringa erythropus 1778 75.85 109 Greenshank Tringa nebularia 1893 80.76 110 Greater Yellowlegs Tringa melanoleuca 686 29.27 111 Turnstone Arenaria interpres 1958 83.53 112 Knot Calidris canutus 1853 79.05 113 Ruff Calidris pugnax 1884 80.38 114 Broad-billed Sandpiper Calidris falcinellus 764 32.59 115 Stilt Sandpiper Calidris himantopus 885 37.76 116 Curlew Sandpiper Calidris ferruginea 1687 71.97 117 Temminck's Stint Calidris temminckii 1355 57.81 118 Red-necked Stint Calidris ruficollis 406 17.32 119 Buff-breasted Sandpiper Calidris subruficollis 1157 49.36 120 Sanderling Calidris alba 1872 79.86 121 Dunlin Calidris alpina 1982 84.56 122 Purple Sandpiper Calidris maritima 1712 73.04 123 Little Stint Calidris minuta 1698 72.44 124 White-rumped Sandpiper Calidris fuscicollis 1167 49.79 125 Pectoral Sandpiper Calidris melanotos 1492 63.65 126 Semipalmated Sandpiper Calidris pusilla 852 36.35 127 Black-winged Pratincole Glareola nordmanni 645 27.52 128 Little Tern Sternula albifrons 1708 72.87 129 Gull-billed Tern Gelochelidon nilotica 737 31.44 130 Whiskered Tern Chlidonias hybrida 848 36.18 131 Black Tern Chlidonias niger 1582 67.49 132 White-winged Black Tern Chlidonias leucopterus 1132 48.29 133 Arctic Tern Sterna paradisaea 1755 74.87 134 Common Tern Sterna hirundo 1964 83.79 135 Roseate Tern Sterna dougallii 1309 55.84 136 Sandwich Tern Thalasseus sandvicensis 1862 79.44 137 Little Gull Hydrocoloeus minutus 1722 73.46 138 Kittiwake Rissa tridactyla 1896 80.89 139 Sabine's Gull Xema sabini 1205 51.41 140 Bonaparte's Gull Chroicocephalus philadelphia 1084 46.25 141 Black-headed Gull Chroicocephalus ridibundus 2066 88.14 142 Mediterranean Gull Ichthyaetus melanocephalus 1830 78.07 143 Common Gull Larus canus 1983 84.60 144 Ring-billed Gull Larus delawarensis 1133 48.34 145 Caspian Gull Larus cachinnans 1273 54.31 146 Herring Gull Larus argentatus 2074 88.48 147 Yellow-legged Gull Larus michahellis 1552 66.21 148 Great Black-backed Gull Larus marinus 1991 84.94 149 Glaucous Gull Larus hyperboreus 1452 61.95 150 Lesser Black-backed Gull Larus fuscus 2011 85.79 151 Iceland Gull Larus glaucoides 1471 62.76 152 Long-tailed Skua Stercorarius longicaudus 1082 46.16 153 Arctic Skua Stercorarius parasiticus 1596 68.09 154 Pomarine Skua Stercorarius pomarinus 1254 53.50 155 Great Skua Stercorarius skua 1588 67.75 156 Puffin Fratercula arctica 1846 78.75 157 Black Guillemot Cepphus grylle 1601 68.30 158 Razorbill Alca torda 1893 80.76 159 Little Auk Alle alle 1145 48.85 160 Common Guillemot Uria aalge 1918 81.83 161 Red-throated Diver Gavia stellata 1763 75.21 162 Black-throated Diver Gavia arctica 1629 69.50 163 Pacific Diver Gavia pacifica 723 30.84 164 Great Northern Diver Gavia immer 1773 75.64 165 Storm Petrel Hydrobates pelagicus 1285 54.82 166 Fulmar Fulmarus glacialis 1914 81.66 167 Sooty Shearwater Ardenna grisea 1295 55.25 168 Great Shearwater Ardenna gravis 853 36.39 169 Manx Shearwater Puffinus puffinus 1694 72.27 170 Balearic Shearwater Puffinus mauretanicus 1120 47.78 171 Black Stork Ciconia nigra 713 30.42 172 White Stork Ciconia ciconia 1043 44.50 173 Gannet Morus bassanus 1977 84.34 174 Brown Booby Sula leucogaster 450 19.20 175 Cormorant Phalacrocorax carbo 2098 89.51 176 Shag Gulosus aristotelis 1944 82.94 177 Glossy Ibis Plegadis falcinellus 1571 67.02 178 Spoonbill Platalea leucorodia 1817 77.52 179 Bittern Botaurus stellaris 1822 77.73 180 Little Egret Egretta garzetta 2060 87.88 181 Squacco Heron Ardeola ralloides 916 39.08 182 Cattle Egret Bubulcus ibis 1630 69.54 183 Great White Egret Ardea alba 1806 77.05 184 Grey Heron Ardea cinerea 2092 89.25 185 Purple Heron Ardea purpurea 1190 50.77 186 Osprey Pandion haliaetus 1873 79.91 187 Golden Eagle Aquila chrysaetos 1498 63.91 188 Sparrowhawk Accipiter nisus 2036 86.86 189 Goshawk Accipiter gentilis 1557 66.42 190 Marsh Harrier Circus aeruginosus 1974 84.22 191 Hen Harrier Circus cyaneus 1807 77.09 192 Montagu's Harrier Circus pygargus 1170 49.91 193 Red Kite Milvus milvus 2027 86.48 194 Black Kite Milvus migrans 795 33.92 195 White-tailed Eagle Haliaeetus albicilla 1423 60.71 196 Rough-legged Buzzard Buteo lagopus 1294 55.20 197 Buzzard Buteo buteo 2082 88.82 198 Barn Owl Tyto alba 1948 83.11 199 Little Owl Athene noctua 1793 76.49 200 Scops Owl Otus scops 500 21.33 201 Long-eared Owl Asio otus 1514 64.59 202 Short-eared Owl Asio flammeus 1795 76.58 203 Tawny Owl Strix aluco 1899 81.02 204 Hoopoe Upupa epops 1340 57.17 205 Roller Coracias garrulus 831 35.45 206 Kingfisher Alcedo atthis 2029 86.56 207 Bee-eater Merops apiaster 1136 48.46 208 Wryneck Jynx torquilla 1379 58.83 209 Great Spotted Woodpecker Dendrocopos major 2041 87.07 210 Green Woodpecker Picus viridis 1976 84.30 211 Kestrel Falco tinnunculus 2074 88.48 212 Red-footed Falcon Falco vespertinus 1221 52.09 213 Merlin Falco columbarius 1750 74.66 214 Hobby Falco subbuteo 1851 78.97 215 Peregrine Falco peregrinus 2003 85.45 216 Ring-necked Parakeet Psittacula krameri 1787 76.24 217 Red-eyed Vireo Vireo olivaceus 691 29.48 218 Great Grey Shrike Lanius excubitor 1544 65.87 219 Lesser Grey Shrike Lanius minor 812 34.64 220 Woodchat Shrike Lanius senator 1134 48.38 221 Daurian Shrike Lanius isabellinus 567 24.19 222 Red-backed Shrike Lanius collurio 1437 61.31 223 Brown Shrike Lanius cristatus 769 32.81 224 Jay Garrulus glandarius 2045 87.24 225 Magpie Pica pica 2086 88.99 226 Chough Pyrrhocorax pyrrhocorax 1639 69.92 227 Jackdaw Coloeus monedula 2066 88.14 228 Rook Corvus frugilegus 2036 86.86 229 Carrion Crow Corvus corone 2076 88.57 230 Hooded Crow Corvus cornix 1700 72.53 231 Raven Corvus corax 1953 83.32 232 Waxwing Bombycilla garrulus 1780 75.94 233 Coal Tit Periparus ater 2035 86.82 234 Crested Tit Lophophanes cristatus 1293 55.16 235 Marsh Tit Poecile palustris 1810 77.22 236 Willow Tit Poecile montanus 1629 69.50 237 Blue Tit Cyanistes caeruleus 2096 89.42 238 Great Tit Parus major 2085 88.95 239 Bearded Tit Panurus biarmicus 1754 74.83 240 Skylark Alauda arvensis 1997 85.20 241 Shore Lark Eremophila alpestris 1449 61.82 242 Short-toed Lark Calandrella brachydactyla 884 37.71 243 Sand Martin Riparia riparia 1968 83.96 244 Swallow Hirundo rustica 2029 86.56 245 House Martin Delichon urbicum 2005 85.54 246 Red-rumped Swallow Cecropis daurica 941 40.15 247 Cetti's Warbler Cettia cetti 1795 76.58 248 Long-tailed Tit Aegithalos caudatus 2062 87.97 249 Wood Warbler Phylloscopus sibilatrix 1584 67.58 250 Western Bonelli's Warbler Phylloscopus bonelli 687 29.31 251 Hume's Warbler Phylloscopus humei 938 40.02 252 Yellow-browed Warbler Phylloscopus inornatus 1484 63.31 253 Pallas's Warbler Phylloscopus proregulus 1184 50.51 254 Radde's Warbler Phylloscopus schwarzi 828 35.32 255 Dusky Warbler Phylloscopus fuscatus 1057 45.09 256 Willow Warbler Phylloscopus trochilus 1918 81.83 257 Chiffchaff Phylloscopus collybita 2013 85.88 258 Eastern Crowned Warbler Phylloscopus coronatus 383 16.34 259 Greenish Warbler Phylloscopus trochiloides 855 36.48 260 Arctic Warbler Phylloscopus borealis 766 32.68 261 Great Reed Warbler Acrocephalus arundinaceus 1011 43.13 262 Sedge Warbler Acrocephalus schoenobaenus 1898 80.97 263 Paddyfield Warbler Acrocephalus agricola 530 22.61 264 Blyth's Reed Warbler Acrocephalus dumetorum 783 33.40 265 Reed Warbler Acrocephalus scirpaceus 1900 81.06 266 Marsh Warbler Acrocephalus palustris 1073 45.78 267 Sykes's Warbler Iduna rama 175 7.47 268 Eastern Olivaceous Warbler Iduna pallida 487 20.78 269 Melodious Warbler Hippolais polyglotta 871 37.16 270 Icterine Warbler Hippolais icterina 936 39.93 271 Grasshopper Warbler Locustella naevia 1625 69.33 272 Blackcap Sylvia atricapilla 1997 85.20 273 Garden Warbler Sylvia borin 1752 74.74 274 Barred Warbler Curruca nisoria 1208 51.54 275 Lesser Whitethroat Curruca curruca 1722 73.46 276 Asian Desert Warbler Curruca nana 431 18.39 277 Sardinian Warbler Curruca melanocephala 552 23.55 278 Western Subalpine Warbler Curruca iberiae 485 20.69 279 Whitethroat Curruca communis 1937 82.64 280 Firecrest Regulus ignicapilla 1660 70.82 281 Goldcrest Regulus regulus 2000 85.32 282 Wren Troglodytes troglodytes 2057 87.76 283 Nuthatch Sitta europaea 2014 85.92 284 Treecreeper Certhia familiaris 1995 85.11 285 Northern Mockingbird Mimus polyglottos 393 16.77 286 Rose-coloured Starling Pastor roseus 1247 53.20 287 Starling Sturnus vulgaris 2080 88.74 288 Song Thrush Turdus philomelos 2041 87.07 289 Mistle Thrush Turdus viscivorus 1976 84.30 290 Redwing Turdus iliacus 2001 85.37 291 Blackbird Turdus merula 2084 88.91 292 Fieldfare Turdus pilaris 1988 84.81 293 Ring Ouzel Turdus torquatus 1678 71.59 294 Spotted Flycatcher Muscicapa striata 1813 77.35 295 Robin Erithacus rubecula 2092 89.25 296 Thrush Nightingale Luscinia luscinia 493 21.03 297 Bluethroat Luscinia svecica 1141 48.68 298 Red-breasted Flycatcher Ficedula parva 1167 49.79 299 Taiga Flycatcher Ficedula albicilla 360 15.36 300 Pied Flycatcher Ficedula hypoleuca 1696 72.35 301 Collared Flycatcher Ficedula albicollis 419 17.88 302 Red-flanked Bluetail Tarsiger cyanurus 1078 45.99 303 Black Redstart Phoenicurus ochruros 1680 71.67 304 Redstart Phoenicurus phoenicurus 1798 76.71 305 Whinchat Saxicola rubetra 1783 76.07 306 Stonechat Saxicola rubicola 1976 84.30 307 Wheatear Oenanthe oenanthe 1937 82.64 308 Desert Wheatear Oenanthe deserti 987 42.11 309 Pied Wheatear Oenanthe pleschanka 738 31.48 310 Dipper Cinclus cinclus 1871 79.82 311 Tree Sparrow Passer montanus 1867 79.65 312 House Sparrow Passer domesticus 2065 88.10 313 Siberian Accentor Prunella montanella 524 22.35 314 Dunnock Prunella modularis 2059 87.84 315 Yellow Wagtail Motacilla flava 1816 77.47 316 Eastern Yellow Wagtail Motacilla tschutschensis 594 25.34 317 Citrine Wagtail Motacilla citreola 846 36.09 318 Grey Wagtail Motacilla cinerea 1992 84.98 319 Pied Wagtail Motacilla alba 2062 87.97 320 Richard's Pipit Anthus richardi 1099 46.89 321 Meadow Pipit Anthus pratensis 1971 84.09 322 Tree Pipit Anthus trivialis 1700 72.53 323 Olive-backed Pipit Anthus hodgsoni 858 36.60 324 Buff-bellied Pipit Anthus rubescens 649 27.69 325 Water Pipit Anthus spinoletta 1559 66.51 326 Rock Pipit Anthus petrosus 1871 79.82 327 Chaffinch Fringilla coelebs 2067 88.18 328 Brambling Fringilla montifringilla 1840 78.50 329 Hawfinch Coccothraustes coccothraustes 1630 69.54 330 Bullfinch Pyrrhula pyrrhula 1992 84.98 331 Greenfinch Chloris chloris 2050 87.46 332 Twite Linaria flavirostris 1605 68.47 333 Linnet Linaria cannabina 1984 84.64 334 Common Redpoll Acanthis flammea 1383 59.00 335 Lesser Redpoll Acanthis cabaret 1745 74.45 336 Arctic Redpoll Acanthis hornemanni 981 41.85 337 Parrot Crossbill Loxia pytyopsittacus 906 38.65 338 Scottish Crossbill Loxia scotica 876 37.37 339 Common Crossbill Loxia curvirostra 1672 71.33 340 Goldfinch Carduelis carduelis 2076 88.57 341 Siskin Spinus spinus 1964 83.79 342 Lapland Bunting Calcarius lapponicus 1321 56.36 343 Snow Bunting Plectrophenax nivalis 1684 71.84 344 Corn Bunting Emberiza calandra 1686 71.93 345 Yellowhammer Emberiza citrinella 1929 82.30 346 Ortolan Bunting Emberiza hortulana 767 32.72 347 Little Bunting Emberiza pusilla 1139 48.59 348 Reed Bunting Emberiza schoeniclus 1983 84.60 349 Yellow-rumped Warbler Setophaga coronata 529 22.57