Derek Charlton: Durham Life List BOU, All records: Top Blockers Record(s) 1 to 334 of 334 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 20 68.97 2 Canada Goose Branta canadensis 26 89.66 3 Barnacle Goose Branta leucopsis 21 72.41 4 Snow Goose Anser caerulescens 13 44.83 5 Greylag Goose Anser anser 25 86.21 6 Taiga Bean Goose Anser fabalis 14 48.28 7 Pink-footed Goose Anser brachyrhynchus 24 82.76 8 Tundra Bean Goose Anser serrirostris 15 51.72 9 White-fronted Goose Anser albifrons 20 68.97 10 Mute Swan Cygnus olor 27 93.10 11 Bewick's Swan Cygnus columbianus 17 58.62 12 Whooper Swan Cygnus cygnus 24 82.76 13 Egyptian Goose Alopochen aegyptiaca 20 68.97 14 Shelduck Tadorna tadorna 26 89.66 15 Mandarin Duck Aix galericulata 18 62.07 16 Baikal Teal Sibirionetta formosa 8 27.59 17 Garganey Spatula querquedula 22 75.86 18 Blue-winged Teal Spatula discors 11 37.93 19 Shoveler Spatula clypeata 24 82.76 20 Gadwall Mareca strepera 25 86.21 21 Wigeon Mareca penelope 27 93.10 22 American Wigeon Mareca americana 16 55.17 23 Mallard Anas platyrhynchos 28 96.55 24 Pintail Anas acuta 23 79.31 25 Teal Anas crecca 27 93.10 26 Green-winged Teal Anas carolinensis 20 68.97 27 Red-crested Pochard Netta rufina 13 44.83 28 Pochard Aythya ferina 23 79.31 29 Ring-necked Duck Aythya collaris 21 72.41 30 Tufted Duck Aythya fuligula 26 89.66 31 Scaup Aythya marila 17 58.62 32 Lesser Scaup Aythya affinis 15 51.72 33 Eider Somateria mollissima 23 79.31 34 Surf Scoter Melanitta perspicillata 15 51.72 35 Velvet Scoter Melanitta fusca 22 75.86 36 Common Scoter Melanitta nigra 24 82.76 37 Long-tailed Duck Clangula hyemalis 22 75.86 38 Goldeneye Bucephala clangula 25 86.21 39 Smew Mergellus albellus 18 62.07 40 Goosander Mergus merganser 24 82.76 41 Red-breasted Merganser Mergus serrator 21 72.41 42 Ruddy Duck Oxyura jamaicensis 18 62.07 43 Red Grouse Lagopus lagopus 20 68.97 44 Black Grouse Lyrurus tetrix 20 68.97 45 Grey Partridge Perdix perdix 23 79.31 46 Pheasant Phasianus colchicus 25 86.21 47 Quail Coturnix coturnix 14 48.28 48 Red-legged Partridge Alectoris rufa 18 62.07 49 Nightjar Caprimulgus europaeus 17 58.62 50 Alpine Swift Tachymarptis melba 4 13.79 51 Swift Apus apus 24 82.76 52 Pallid Swift Apus pallidus 15 51.72 53 Little Swift Apus affinis 9 31.03 54 Cuckoo Cuculus canorus 19 65.52 55 Rock Dove (Feral Pigeon) Columba livia 23 79.31 56 Stock Dove Columba oenas 24 82.76 57 Woodpigeon Columba palumbus 27 93.10 58 Turtle Dove Streptopelia turtur 14 48.28 59 Collared Dove Streptopelia decaocto 27 93.10 60 Water Rail Rallus aquaticus 22 75.86 61 Corncrake Crex crex 6 20.69 62 Spotted Crake Porzana porzana 14 48.28 63 Moorhen Gallinula chloropus 26 89.66 64 Coot Fulica atra 26 89.66 65 Crane Grus grus 15 51.72 66 Little Grebe Tachybaptus ruficollis 24 82.76 67 Red-necked Grebe Podiceps grisegena 20 68.97 68 Great Crested Grebe Podiceps cristatus 25 86.21 69 Slavonian Grebe Podiceps auritus 18 62.07 70 Black-necked Grebe Podiceps nigricollis 18 62.07 71 Stone-curlew Burhinus oedicnemus 8 27.59 72 Oystercatcher Haematopus ostralegus 26 89.66 73 Avocet Recurvirostra avosetta 24 82.76 74 Grey Plover Pluvialis squatarola 23 79.31 75 Golden Plover Pluvialis apricaria 24 82.76 76 American Golden Plover Pluvialis dominica 12 41.38 77 Dotterel Eudromias morinellus 11 37.93 78 Ringed Plover Charadrius hiaticula 24 82.76 79 Little Ringed Plover Charadrius dubius 24 82.76 80 Lapwing Vanellus vanellus 27 93.10 81 Eurasian Whimbrel Numenius phaeopus 23 79.31 82 Curlew Numenius arquata 25 86.21 83 Bar-tailed Godwit Limosa lapponica 21 72.41 84 Black-tailed Godwit Limosa limosa 24 82.76 85 Long-billed Dowitcher Limnodromus scolopaceus 10 34.48 86 Jack Snipe Lymnocryptes minimus 16 55.17 87 Woodcock Scolopax rusticola 21 72.41 88 Snipe Gallinago gallinago 26 89.66 89 Wilson's Phalarope Phalaropus tricolor 8 27.59 90 Grey Phalarope Phalaropus fulicarius 17 58.62 91 Red-necked Phalarope Phalaropus lobatus 10 34.48 92 Terek Sandpiper Xenus cinereus 12 41.38 93 Common Sandpiper Actitis hypoleucos 23 79.31 94 Spotted Sandpiper Actitis macularius 13 44.83 95 Green Sandpiper Tringa ochropus 20 68.97 96 Wood Sandpiper Tringa glareola 19 65.52 97 Redshank Tringa totanus 25 86.21 98 Lesser Yellowlegs Tringa flavipes 10 34.48 99 Spotted Redshank Tringa erythropus 21 72.41 100 Greenshank Tringa nebularia 23 79.31 101 Turnstone Arenaria interpres 24 82.76 102 Knot Calidris canutus 21 72.41 103 Ruff Calidris pugnax 23 79.31 104 Broad-billed Sandpiper Calidris falcinellus 13 44.83 105 Sharp-tailed Sandpiper Calidris acuminata 12 41.38 106 Curlew Sandpiper Calidris ferruginea 22 75.86 107 Temminck's Stint Calidris temminckii 19 65.52 108 Buff-breasted Sandpiper Calidris subruficollis 16 55.17 109 Sanderling Calidris alba 21 72.41 110 Dunlin Calidris alpina 23 79.31 111 Purple Sandpiper Calidris maritima 20 68.97 112 Baird's Sandpiper Calidris bairdii 14 48.28 113 Little Stint Calidris minuta 22 75.86 114 White-rumped Sandpiper Calidris fuscicollis 14 48.28 115 Pectoral Sandpiper Calidris melanotos 21 72.41 116 Semipalmated Sandpiper Calidris pusilla 15 51.72 117 Black-winged Pratincole Glareola nordmanni 13 44.83 118 Little Tern Sternula albifrons 21 72.41 119 Caspian Tern Hydroprogne caspia 13 44.83 120 Whiskered Tern Chlidonias hybrida 16 55.17 121 Black Tern Chlidonias niger 17 58.62 122 White-winged Black Tern Chlidonias leucopterus 15 51.72 123 Arctic Tern Sterna paradisaea 20 68.97 124 Common Tern Sterna hirundo 25 86.21 125 Roseate Tern Sterna dougallii 20 68.97 126 Sandwich Tern Thalasseus sandvicensis 24 82.76 127 Little Gull Hydrocoloeus minutus 21 72.41 128 Kittiwake Rissa tridactyla 24 82.76 129 Sabine's Gull Xema sabini 16 55.17 130 Bonaparte's Gull Chroicocephalus philadelphia 16 55.17 131 Black-headed Gull Chroicocephalus ridibundus 28 96.55 132 Mediterranean Gull Ichthyaetus melanocephalus 23 79.31 133 Common Gull Larus canus 26 89.66 134 Caspian Gull Larus cachinnans 15 51.72 135 Herring Gull Larus argentatus 27 93.10 136 Yellow-legged Gull Larus michahellis 14 48.28 137 Great Black-backed Gull Larus marinus 25 86.21 138 Glaucous Gull Larus hyperboreus 19 65.52 139 Lesser Black-backed Gull Larus fuscus 27 93.10 140 Glaucous-winged Gull Larus glaucescens 11 37.93 141 Iceland Gull Larus glaucoides 16 55.17 142 Long-tailed Skua Stercorarius longicaudus 19 65.52 143 Arctic Skua Stercorarius parasiticus 21 72.41 144 Pomarine Skua Stercorarius pomarinus 16 55.17 145 Great Skua Stercorarius skua 21 72.41 146 Puffin Fratercula arctica 18 62.07 147 Black Guillemot Cepphus grylle 14 48.28 148 Razorbill Alca torda 21 72.41 149 Little Auk Alle alle 17 58.62 150 Common Guillemot Uria aalge 24 82.76 151 Red-throated Diver Gavia stellata 25 86.21 152 Black-throated Diver Gavia arctica 22 75.86 153 Great Northern Diver Gavia immer 17 58.62 154 Storm Petrel Hydrobates pelagicus 14 48.28 155 Leach's Petrel Hydrobates leucorhous 12 41.38 156 Fulmar Fulmarus glacialis 22 75.86 157 Cory's Shearwater Calonectris borealis 11 37.93 158 Sooty Shearwater Ardenna grisea 18 62.07 159 Manx Shearwater Puffinus puffinus 20 68.97 160 Balearic Shearwater Puffinus mauretanicus 12 41.38 161 Black Stork Ciconia nigra 9 31.03 162 White Stork Ciconia ciconia 12 41.38 163 Gannet Morus bassanus 21 72.41 164 Brown Booby Sula leucogaster 9 31.03 165 Cormorant Phalacrocorax carbo 27 93.10 166 Shag Gulosus aristotelis 22 75.86 167 Glossy Ibis Plegadis falcinellus 18 62.07 168 Spoonbill Platalea leucorodia 22 75.86 169 Bittern Botaurus stellaris 20 68.97 170 Little Egret Egretta garzetta 22 75.86 171 Squacco Heron Ardeola ralloides 9 31.03 172 Cattle Egret Bubulcus ibis 14 48.28 173 Great White Egret Ardea alba 19 65.52 174 Grey Heron Ardea cinerea 26 89.66 175 Purple Heron Ardea purpurea 11 37.93 176 Osprey Pandion haliaetus 16 55.17 177 Honey-buzzard Pernis apivorus 9 31.03 178 Sparrowhawk Accipiter nisus 27 93.10 179 Goshawk Accipiter gentilis 15 51.72 180 Marsh Harrier Circus aeruginosus 22 75.86 181 Hen Harrier Circus cyaneus 14 48.28 182 Pallid Harrier Circus macrourus 10 34.48 183 Red Kite Milvus milvus 19 65.52 184 White-tailed Eagle Haliaeetus albicilla 8 27.59 185 Rough-legged Buzzard Buteo lagopus 16 55.17 186 Buzzard Buteo buteo 25 86.21 187 Barn Owl Tyto alba 20 68.97 188 Little Owl Athene noctua 18 62.07 189 Scops Owl Otus scops 15 51.72 190 Long-eared Owl Asio otus 19 65.52 191 Short-eared Owl Asio flammeus 23 79.31 192 Tawny Owl Strix aluco 21 72.41 193 Hoopoe Upupa epops 15 51.72 194 Kingfisher Alcedo atthis 22 75.86 195 Bee-eater Merops apiaster 17 58.62 196 Wryneck Jynx torquilla 16 55.17 197 Lesser Spotted Woodpecker Dryobates minor 12 41.38 198 Great Spotted Woodpecker Dendrocopos major 25 86.21 199 Green Woodpecker Picus viridis 18 62.07 200 Kestrel Falco tinnunculus 26 89.66 201 Merlin Falco columbarius 22 75.86 202 Hobby Falco subbuteo 16 55.17 203 Peregrine Falco peregrinus 20 68.97 204 Ring-necked Parakeet Psittacula krameri 19 65.52 205 Red-eyed Vireo Vireo olivaceus 5 17.24 206 Great Grey Shrike Lanius excubitor 16 55.17 207 Masked Shrike Lanius nubicus 7 24.14 208 Woodchat Shrike Lanius senator 16 55.17 209 Daurian Shrike Lanius isabellinus 8 27.59 210 Red-backed Shrike Lanius collurio 15 51.72 211 Jay Garrulus glandarius 22 75.86 212 Magpie Pica pica 25 86.21 213 Jackdaw Coloeus monedula 25 86.21 214 Rook Corvus frugilegus 25 86.21 215 Carrion Crow Corvus corone 25 86.21 216 Hooded Crow Corvus cornix 14 48.28 217 Raven Corvus corax 15 51.72 218 Waxwing Bombycilla garrulus 22 75.86 219 Coal Tit Periparus ater 25 86.21 220 Marsh Tit Poecile palustris 19 65.52 221 Willow Tit Poecile montanus 21 72.41 222 Blue Tit Cyanistes caeruleus 26 89.66 223 Great Tit Parus major 26 89.66 224 Penduline Tit Remiz pendulinus 12 41.38 225 Bearded Tit Panurus biarmicus 13 44.83 226 Woodlark Lullula arborea 10 34.48 227 Skylark Alauda arvensis 25 86.21 228 Shore Lark Eremophila alpestris 17 58.62 229 Sand Martin Riparia riparia 23 79.31 230 Swallow Hirundo rustica 24 82.76 231 House Martin Delichon urbicum 24 82.76 232 Red-rumped Swallow Cecropis daurica 7 24.14 233 Cetti's Warbler Cettia cetti 16 55.17 234 Long-tailed Tit Aegithalos caudatus 26 89.66 235 Wood Warbler Phylloscopus sibilatrix 18 62.07 236 Western Bonelli's Warbler Phylloscopus bonelli 14 48.28 237 Hume's Warbler Phylloscopus humei 12 41.38 238 Yellow-browed Warbler Phylloscopus inornatus 17 58.62 239 Pallas's Warbler Phylloscopus proregulus 15 51.72 240 Radde's Warbler Phylloscopus schwarzi 10 34.48 241 Dusky Warbler Phylloscopus fuscatus 16 55.17 242 Willow Warbler Phylloscopus trochilus 22 75.86 243 Chiffchaff Phylloscopus collybita 25 86.21 244 Iberian Chiffchaff Phylloscopus ibericus 10 34.48 245 Eastern Crowned Warbler Phylloscopus coronatus 12 41.38 246 Greenish Warbler Phylloscopus trochiloides 15 51.72 247 Arctic Warbler Phylloscopus borealis 16 55.17 248 Great Reed Warbler Acrocephalus arundinaceus 16 55.17 249 Sedge Warbler Acrocephalus schoenobaenus 21 72.41 250 Reed Warbler Acrocephalus scirpaceus 23 79.31 251 Marsh Warbler Acrocephalus palustris 16 55.17 252 Icterine Warbler Hippolais icterina 13 44.83 253 Pallas's Grasshopper Warbler Helopsaltes certhiola 5 17.24 254 Savi's Warbler Locustella luscinioides 11 37.93 255 Grasshopper Warbler Locustella naevia 18 62.07 256 Blackcap Sylvia atricapilla 24 82.76 257 Garden Warbler Sylvia borin 19 65.52 258 Barred Warbler Curruca nisoria 16 55.17 259 Lesser Whitethroat Curruca curruca 22 75.86 260 Western Orphean Warbler Curruca hortensis 13 44.83 261 Western Subalpine Warbler Curruca iberiae 4 13.79 262 Whitethroat Curruca communis 24 82.76 263 Firecrest Regulus ignicapilla 18 62.07 264 Goldcrest Regulus regulus 26 89.66 265 Wren Troglodytes troglodytes 25 86.21 266 Nuthatch Sitta europaea 23 79.31 267 Treecreeper Certhia familiaris 23 79.31 268 Rose-coloured Starling Pastor roseus 10 34.48 269 Starling Sturnus vulgaris 27 93.10 270 Song Thrush Turdus philomelos 25 86.21 271 Mistle Thrush Turdus viscivorus 25 86.21 272 Redwing Turdus iliacus 23 79.31 273 Blackbird Turdus merula 26 89.66 274 Fieldfare Turdus pilaris 25 86.21 275 Ring Ouzel Turdus torquatus 19 65.52 276 Spotted Flycatcher Muscicapa striata 18 62.07 277 Robin Erithacus rubecula 26 89.66 278 White-throated Robin Irania gutturalis 13 44.83 279 Nightingale Luscinia megarhynchos 15 51.72 280 Bluethroat Luscinia svecica 15 51.72 281 Red-breasted Flycatcher Ficedula parva 16 55.17 282 Taiga Flycatcher Ficedula albicilla 12 41.38 283 Pied Flycatcher Ficedula hypoleuca 19 65.52 284 Red-flanked Bluetail Tarsiger cyanurus 16 55.17 285 Black Redstart Phoenicurus ochruros 17 58.62 286 Redstart Phoenicurus phoenicurus 21 72.41 287 Whinchat Saxicola rubetra 20 68.97 288 Stejneger's Stonechat Saxicola stejnegeri 6 20.69 289 Siberian Stonechat Saxicola maurus 11 37.93 290 Stonechat Saxicola rubicola 23 79.31 291 Wheatear Oenanthe oenanthe 23 79.31 292 Isabelline Wheatear Oenanthe isabellina 9 31.03 293 Desert Wheatear Oenanthe deserti 5 17.24 294 Pied Wheatear Oenanthe pleschanka 12 41.38 295 Dipper Cinclus cinclus 23 79.31 296 Tree Sparrow Passer montanus 24 82.76 297 House Sparrow Passer domesticus 25 86.21 298 Siberian Accentor Prunella montanella 9 31.03 299 Dunnock Prunella modularis 26 89.66 300 Yellow Wagtail Motacilla flava 22 75.86 301 Citrine Wagtail Motacilla citreola 11 37.93 302 Grey Wagtail Motacilla cinerea 25 86.21 303 Pied Wagtail Motacilla alba 27 93.10 304 Richard's Pipit Anthus richardi 16 55.17 305 Meadow Pipit Anthus pratensis 26 89.66 306 Tree Pipit Anthus trivialis 18 62.07 307 Olive-backed Pipit Anthus hodgsoni 15 51.72 308 Red-throated Pipit Anthus cervinus 14 48.28 309 Water Pipit Anthus spinoletta 17 58.62 310 Rock Pipit Anthus petrosus 23 79.31 311 Chaffinch Fringilla coelebs 26 89.66 312 Brambling Fringilla montifringilla 20 68.97 313 Hawfinch Coccothraustes coccothraustes 17 58.62 314 Bullfinch Pyrrhula pyrrhula 24 82.76 315 Common Rosefinch Carpodacus erythrinus 14 48.28 316 Greenfinch Chloris chloris 25 86.21 317 Twite Linaria flavirostris 21 72.41 318 Linnet Linaria cannabina 24 82.76 319 Common Redpoll Acanthis flammea 17 58.62 320 Lesser Redpoll Acanthis cabaret 23 79.31 321 Arctic Redpoll Acanthis hornemanni 15 51.72 322 Common Crossbill Loxia curvirostra 17 58.62 323 Goldfinch Carduelis carduelis 26 89.66 324 Serin Serinus serinus 10 34.48 325 Siskin Spinus spinus 25 86.21 326 Lapland Bunting Calcarius lapponicus 15 51.72 327 Snow Bunting Plectrophenax nivalis 19 65.52 328 Corn Bunting Emberiza calandra 17 58.62 329 Yellowhammer Emberiza citrinella 21 72.41 330 Little Bunting Emberiza pusilla 16 55.17 331 Rustic Bunting Emberiza rustica 9 31.03 332 Reed Bunting Emberiza schoeniclus 25 86.21 333 Dark-eyed Junco Junco hyemalis 9 31.03 334 Yellow-rumped Warbler Setophaga coronata 14 48.28