Rob Knapp: Britain Life List BOU, All records: Top Blockers Record(s) 1 to 304 of 304 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 1960 83.51 2 Canada Goose Branta canadensis 2158 91.95 3 Barnacle Goose Branta leucopsis 1950 83.08 4 Greylag Goose Anser anser 2111 89.94 5 Taiga Bean Goose Anser fabalis 944 40.22 6 Pink-footed Goose Anser brachyrhynchus 1895 80.74 7 White-fronted Goose Anser albifrons 1788 76.18 8 Mute Swan Cygnus olor 2177 92.76 9 Bewick's Swan Cygnus columbianus 1772 75.50 10 Whooper Swan Cygnus cygnus 1930 82.23 11 Egyptian Goose Alopochen aegyptiaca 1946 82.91 12 Shelduck Tadorna tadorna 2105 89.69 13 Mandarin Duck Aix galericulata 1917 81.68 14 Baikal Teal Sibirionetta formosa 786 33.49 15 Garganey Spatula querquedula 1800 76.69 16 Blue-winged Teal Spatula discors 991 42.22 17 Shoveler Spatula clypeata 2073 88.33 18 Gadwall Mareca strepera 2051 87.39 19 Wigeon Mareca penelope 2086 88.88 20 American Wigeon Mareca americana 1332 56.75 21 Mallard Anas platyrhynchos 2148 91.52 22 Pintail Anas acuta 1978 84.28 23 Teal Anas crecca 2093 89.18 24 Green-winged Teal Anas carolinensis 1428 60.84 25 Pochard Aythya ferina 2050 87.35 26 Ferruginous Duck Aythya nyroca 1275 54.32 27 Ring-necked Duck Aythya collaris 1515 64.55 28 Tufted Duck Aythya fuligula 2100 89.48 29 Scaup Aythya marila 1773 75.54 30 Lesser Scaup Aythya affinis 1253 53.39 31 Eider Somateria mollissima 1892 80.61 32 Surf Scoter Melanitta perspicillata 1228 52.32 33 Velvet Scoter Melanitta fusca 1559 66.43 34 White-winged/Stejneger's Scoter Melanitta deglandi/stejnegeri 106 4.52 35 Stejneger's Scoter Melanitta stejnegeri 246 10.48 36 Common Scoter Melanitta nigra 1826 77.80 37 Long-tailed Duck Clangula hyemalis 1734 73.88 38 Bufflehead Bucephala albeola 619 26.37 39 Goldeneye Bucephala clangula 1979 84.32 40 Smew Mergellus albellus 1745 74.35 41 Hooded Merganser Lophodytes cucullatus 571 24.33 42 Goosander Mergus merganser 1966 83.77 43 Red-breasted Merganser Mergus serrator 1869 79.63 44 Ruddy Duck Oxyura jamaicensis 1532 65.27 45 Red Grouse Lagopus lagopus 1715 73.07 46 Capercaillie Tetrao urogallus 990 42.18 47 Black Grouse Lyrurus tetrix 1394 59.39 48 Grey Partridge Perdix perdix 1827 77.84 49 Golden Pheasant Chrysolophus pictus 952 40.56 50 Pheasant Phasianus colchicus 2120 90.33 51 Red-legged Partridge Alectoris rufa 1957 83.38 52 Common Nighthawk Chordeiles minor 236 10.06 53 Nightjar Caprimulgus europaeus 1601 68.21 54 Alpine Swift Tachymarptis melba 965 41.12 55 Swift Apus apus 2040 86.92 56 Cuckoo Cuculus canorus 1916 81.64 57 Rock Dove (Feral Pigeon) Columba livia 1882 80.19 58 Stock Dove Columba oenas 1953 83.21 59 Woodpigeon Columba palumbus 2101 89.52 60 Turtle Dove Streptopelia turtur 1620 69.02 61 Collared Dove Streptopelia decaocto 2068 88.11 62 Water Rail Rallus aquaticus 1897 80.83 63 Moorhen Gallinula chloropus 2108 89.82 64 Coot Fulica atra 2104 89.65 65 Crane Grus grus 1621 69.07 66 Little Grebe Tachybaptus ruficollis 2051 87.39 67 Pied-billed Grebe Podilymbus podiceps 940 40.05 68 Red-necked Grebe Podiceps grisegena 1564 66.64 69 Great Crested Grebe Podiceps cristatus 2076 88.45 70 Black-necked Grebe Podiceps nigricollis 1706 72.69 71 Stone-curlew Burhinus oedicnemus 1469 62.59 72 Oystercatcher Haematopus ostralegus 2075 88.41 73 Black-winged Stilt Himantopus himantopus 1423 60.63 74 Avocet Recurvirostra avosetta 1969 83.89 75 Grey Plover Pluvialis squatarola 1850 78.82 76 Golden Plover Pluvialis apricaria 1926 82.06 77 American Golden Plover Pluvialis dominica 1090 46.44 78 Dotterel Eudromias morinellus 1379 58.76 79 Ringed Plover Charadrius hiaticula 1974 84.11 80 Little Ringed Plover Charadrius dubius 1862 79.34 81 Lapwing Vanellus vanellus 2078 88.54 82 Grey-headed Lapwing Vanellus cinereus 327 13.93 83 White-tailed Plover Vanellus leucurus 898 38.26 84 Kentish Plover Anarhynchus alexandrinus 976 41.59 85 Eurasian Whimbrel Numenius phaeopus 1830 77.97 86 Curlew Numenius arquata 2044 87.09 87 Bar-tailed Godwit Limosa lapponica 1879 80.06 88 Black-tailed Godwit Limosa limosa 1978 84.28 89 Jack Snipe Lymnocryptes minimus 1649 70.26 90 Woodcock Scolopax rusticola 1766 75.24 91 Snipe Gallinago gallinago 1997 85.09 92 Wilson's Snipe Gallinago delicata 337 14.36 93 Grey Phalarope Phalaropus fulicarius 1440 61.35 94 Red-necked Phalarope Phalaropus lobatus 1388 59.14 95 Common Sandpiper Actitis hypoleucos 1911 81.42 96 Green Sandpiper Tringa ochropus 1820 77.55 97 Wood Sandpiper Tringa glareola 1645 70.09 98 Redshank Tringa totanus 2040 86.92 99 Spotted Redshank Tringa erythropus 1780 75.84 100 Greenshank Tringa nebularia 1895 80.74 101 Turnstone Arenaria interpres 1961 83.55 102 Ruff Calidris pugnax 1887 80.40 103 Curlew Sandpiper Calidris ferruginea 1690 72.01 104 Temminck's Stint Calidris temminckii 1359 57.90 105 Red-necked Stint Calidris ruficollis 406 17.30 106 Sanderling Calidris alba 1875 79.89 107 Dunlin Calidris alpina 1985 84.58 108 Purple Sandpiper Calidris maritima 1714 73.03 109 Little Stint Calidris minuta 1701 72.48 110 Collared Pratincole Glareola pratincola 839 35.75 111 Little Tern Sternula albifrons 1710 72.86 112 Whiskered Tern Chlidonias hybrida 849 36.17 113 Black Tern Chlidonias niger 1584 67.49 114 Arctic Tern Sterna paradisaea 1759 74.95 115 Common Tern Sterna hirundo 1967 83.81 116 Sandwich Tern Thalasseus sandvicensis 1864 79.42 117 Little Gull Hydrocoloeus minutus 1724 73.46 118 Kittiwake Rissa tridactyla 1899 80.91 119 Sabine's Gull Xema sabini 1206 51.38 120 Bonaparte's Gull Chroicocephalus philadelphia 1085 46.23 121 Black-headed Gull Chroicocephalus ridibundus 2069 88.16 122 Laughing Gull Leucophaeus atricilla 829 35.32 123 Mediterranean Gull Ichthyaetus melanocephalus 1833 78.10 124 Common Gull Larus canus 1986 84.62 125 Ring-billed Gull Larus delawarensis 1134 48.32 126 Herring Gull Larus argentatus 2077 88.50 127 Yellow-legged Gull Larus michahellis 1554 66.21 128 Great Black-backed Gull Larus marinus 1995 85.00 129 Glaucous Gull Larus hyperboreus 1453 61.91 130 Lesser Black-backed Gull Larus fuscus 2014 85.81 131 American Herring Gull Larus smithsonianus 308 13.12 132 Long-tailed Skua Stercorarius longicaudus 1083 46.14 133 Great Skua Stercorarius skua 1590 67.75 134 Puffin Fratercula arctica 1848 78.74 135 Razorbill Alca torda 1895 80.74 136 Common Guillemot Uria aalge 1920 81.81 137 Red-throated Diver Gavia stellata 1765 75.20 138 Pacific Diver Gavia pacifica 724 30.85 139 Great Northern Diver Gavia immer 1776 75.67 140 Fulmar Fulmarus glacialis 1918 81.72 141 Great Shearwater Ardenna gravis 854 36.39 142 Manx Shearwater Puffinus puffinus 1696 72.26 143 White Stork Ciconia ciconia 1048 44.65 144 Gannet Morus bassanus 1980 84.36 145 Cormorant Phalacrocorax carbo 2101 89.52 146 Shag Gulosus aristotelis 1946 82.91 147 Glossy Ibis Plegadis falcinellus 1574 67.06 148 Spoonbill Platalea leucorodia 1820 77.55 149 Bittern Botaurus stellaris 1826 77.80 150 Night-heron Nycticorax nycticorax 1157 49.30 151 Little Egret Egretta garzetta 2063 87.90 152 Squacco Heron Ardeola ralloides 918 39.11 153 Cattle Egret Bubulcus ibis 1633 69.58 154 Great White Egret Ardea alba 1809 77.08 155 Grey Heron Ardea cinerea 2095 89.26 156 Purple Heron Ardea purpurea 1194 50.87 157 Osprey Pandion haliaetus 1875 79.89 158 Golden Eagle Aquila chrysaetos 1501 63.95 159 Sparrowhawk Accipiter nisus 2040 86.92 160 Goshawk Accipiter gentilis 1559 66.43 161 Marsh Harrier Circus aeruginosus 1977 84.24 162 Hen Harrier Circus cyaneus 1809 77.08 163 Pallid Harrier Circus macrourus 995 42.39 164 Montagu's Harrier Circus pygargus 1173 49.98 165 Red Kite Milvus milvus 2030 86.49 166 White-tailed Eagle Haliaeetus albicilla 1428 60.84 167 Buzzard Buteo buteo 2085 88.84 168 Barn Owl Tyto alba 1952 83.17 169 Little Owl Athene noctua 1795 76.48 170 Short-eared Owl Asio flammeus 1800 76.69 171 Tawny Owl Strix aluco 1902 81.04 172 Hoopoe Upupa epops 1341 57.14 173 Kingfisher Alcedo atthis 2032 86.58 174 Belted Kingfisher Megaceryle alcyon 537 22.88 175 Bee-eater Merops apiaster 1139 48.53 176 Wryneck Jynx torquilla 1381 58.84 177 Lesser Spotted Woodpecker Dryobates minor 1463 62.33 178 Great Spotted Woodpecker Dendrocopos major 2044 87.09 179 Green Woodpecker Picus viridis 1979 84.32 180 Kestrel Falco tinnunculus 2077 88.50 181 Red-footed Falcon Falco vespertinus 1222 52.07 182 Merlin Falco columbarius 1752 74.65 183 Hobby Falco subbuteo 1856 79.08 184 Peregrine Falco peregrinus 2007 85.51 185 Ring-necked Parakeet Psittacula krameri 1790 76.27 186 Golden Oriole Oriolus oriolus 1084 46.19 187 Great Grey Shrike Lanius excubitor 1546 65.87 188 Lesser Grey Shrike Lanius minor 816 34.77 189 Woodchat Shrike Lanius senator 1137 48.44 190 Red-backed Shrike Lanius collurio 1440 61.35 191 Turkestan Shrike Lanius phoenicuroides 551 23.48 192 Jay Garrulus glandarius 2048 87.26 193 Magpie Pica pica 2089 89.01 194 Chough Pyrrhocorax pyrrhocorax 1643 70.00 195 Jackdaw Coloeus monedula 2069 88.16 196 Rook Corvus frugilegus 2039 86.88 197 Carrion Crow Corvus corone 2079 88.58 198 Hooded Crow Corvus cornix 1703 72.56 199 Raven Corvus corax 1956 83.34 200 Coal Tit Periparus ater 2038 86.83 201 Crested Tit Lophophanes cristatus 1295 55.18 202 Marsh Tit Poecile palustris 1813 77.25 203 Blue Tit Cyanistes caeruleus 2099 89.43 204 Great Tit Parus major 2088 88.96 205 Penduline Tit Remiz pendulinus 993 42.31 206 Bearded Tit Panurus biarmicus 1757 74.86 207 Woodlark Lullula arborea 1507 64.21 208 Skylark Alauda arvensis 2000 85.22 209 Shore Lark Eremophila alpestris 1451 61.82 210 Short-toed Lark Calandrella brachydactyla 885 37.71 211 Sand Martin Riparia riparia 1972 84.02 212 Swallow Hirundo rustica 2032 86.58 213 House Martin Delichon urbicum 2008 85.56 214 Red-rumped Swallow Cecropis daurica 942 40.14 215 Cetti's Warbler Cettia cetti 1800 76.69 216 Long-tailed Tit Aegithalos caudatus 2065 87.98 217 Wood Warbler Phylloscopus sibilatrix 1587 67.62 218 Hume's Warbler Phylloscopus humei 939 40.01 219 Yellow-browed Warbler Phylloscopus inornatus 1486 63.31 220 Pallas's Warbler Phylloscopus proregulus 1185 50.49 221 Radde's Warbler Phylloscopus schwarzi 829 35.32 222 Dusky Warbler Phylloscopus fuscatus 1058 45.08 223 Willow Warbler Phylloscopus trochilus 1921 81.85 224 Chiffchaff Phylloscopus collybita 2016 85.90 225 Iberian Chiffchaff Phylloscopus ibericus 864 36.81 226 Arctic Warbler Phylloscopus borealis 767 32.68 227 Great Reed Warbler Acrocephalus arundinaceus 1015 43.25 228 Sedge Warbler Acrocephalus schoenobaenus 1903 81.08 229 Reed Warbler Acrocephalus scirpaceus 1903 81.08 230 Marsh Warbler Acrocephalus palustris 1075 45.80 231 River Warbler Locustella fluviatilis 672 28.63 232 Grasshopper Warbler Locustella naevia 1633 69.58 233 Blackcap Sylvia atricapilla 2000 85.22 234 Garden Warbler Sylvia borin 1761 75.03 235 Barred Warbler Curruca nisoria 1209 51.51 236 Lesser Whitethroat Curruca curruca 1726 73.54 237 Western Subalpine Warbler Curruca iberiae 486 20.71 238 Whitethroat Curruca communis 1942 82.74 239 Dartford Warbler Curruca undata 1545 65.83 240 Firecrest Regulus ignicapilla 1664 70.90 241 Goldcrest Regulus regulus 2003 85.34 242 Wren Troglodytes troglodytes 2060 87.77 243 Nuthatch Sitta europaea 2017 85.94 244 Treecreeper Certhia familiaris 1998 85.13 245 Northern Mockingbird Mimus polyglottos 394 16.79 246 Starling Sturnus vulgaris 2083 88.75 247 Song Thrush Turdus philomelos 2044 87.09 248 Mistle Thrush Turdus viscivorus 1979 84.32 249 Redwing Turdus iliacus 2004 85.39 250 Blackbird Turdus merula 2087 88.92 251 Fieldfare Turdus pilaris 1991 84.83 252 Ring Ouzel Turdus torquatus 1680 71.58 253 American Robin Turdus migratorius 732 31.19 254 Spotted Flycatcher Muscicapa striata 1815 77.33 255 Robin Erithacus rubecula 2095 89.26 256 Nightingale Luscinia megarhynchos 1475 62.85 257 Bluethroat Luscinia svecica 1148 48.91 258 Red-breasted Flycatcher Ficedula parva 1169 49.81 259 Pied Flycatcher Ficedula hypoleuca 1699 72.39 260 Black Redstart Phoenicurus ochruros 1682 71.67 261 Redstart Phoenicurus phoenicurus 1801 76.74 262 Whinchat Saxicola rubetra 1785 76.05 263 Siberian Stonechat Saxicola maurus 783 33.36 264 Stonechat Saxicola rubicola 1979 84.32 265 Wheatear Oenanthe oenanthe 1942 82.74 266 Desert Wheatear Oenanthe deserti 988 42.10 267 Dipper Cinclus cinclus 1874 79.85 268 Tree Sparrow Passer montanus 1869 79.63 269 House Sparrow Passer domesticus 2068 88.11 270 Alpine Accentor Prunella collaris 421 17.94 271 Dunnock Prunella modularis 2062 87.86 272 Yellow Wagtail Motacilla flava 1818 77.46 273 Grey Wagtail Motacilla cinerea 1996 85.04 274 Pied Wagtail Motacilla alba 2065 87.98 275 Richard's Pipit Anthus richardi 1100 46.87 276 Meadow Pipit Anthus pratensis 1974 84.11 277 Tree Pipit Anthus trivialis 1704 72.60 278 Buff-bellied Pipit Anthus rubescens 650 27.69 279 Water Pipit Anthus spinoletta 1561 66.51 280 Rock Pipit Anthus petrosus 1873 79.80 281 Chaffinch Fringilla coelebs 2070 88.20 282 Brambling Fringilla montifringilla 1843 78.53 283 Hawfinch Coccothraustes coccothraustes 1632 69.54 284 Bullfinch Pyrrhula pyrrhula 1995 85.00 285 Common Rosefinch Carpodacus erythrinus 1010 43.03 286 Greenfinch Chloris chloris 2053 87.47 287 Linnet Linaria cannabina 1987 84.66 288 Lesser Redpoll Acanthis cabaret 1748 74.48 289 Common Crossbill Loxia curvirostra 1674 71.33 290 Goldfinch Carduelis carduelis 2079 88.58 291 Serin Serinus serinus 924 39.37 292 Siskin Spinus spinus 1967 83.81 293 Lapland Bunting Calcarius lapponicus 1322 56.33 294 Snow Bunting Plectrophenax nivalis 1687 71.88 295 Corn Bunting Emberiza calandra 1689 71.96 296 Yellowhammer Emberiza citrinella 1932 82.32 297 Cirl Bunting Emberiza cirlus 1196 50.96 298 Little Bunting Emberiza pusilla 1140 48.57 299 Rustic Bunting Emberiza rustica 778 33.15 300 Reed Bunting Emberiza schoeniclus 1986 84.62 301 White-crowned Sparrow Zonotrichia leucophrys 615 26.20 302 White-throated Sparrow Zonotrichia albicollis 600 25.56 303 Magnolia Warbler Setophaga magnolia 306 13.04 304 Blackburnian Warbler Setophaga fusca 205 8.73