Christopher Rettie: World Life List IOC, All records: Top Blockers Record(s) 1 to 346 of 346 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Common Ostrich Struthio camelus 574 37.13 2 Lesser Whistling Duck Dendrocygna javanica 516 33.38 3 Brent Goose Branta bernicla 1163 75.23 4 Canada Goose Branta canadensis 1234 79.82 5 Barnacle Goose Branta leucopsis 1150 74.39 6 Greylag Goose Anser anser 1245 80.53 7 Pink-footed Goose Anser brachyrhynchus 1104 71.41 8 Mute Swan Cygnus olor 1270 82.15 9 Tundra Swan Cygnus columbianus 1033 66.82 10 Whooper Swan Cygnus cygnus 1156 74.77 11 Egyptian Goose Alopochen aegyptiaca 1131 73.16 12 Common Shelduck Tadorna tadorna 1234 79.82 13 Ruddy Shelduck Tadorna ferruginea 871 56.34 14 South African Shelduck Tadorna cana 286 18.50 15 Mandarin Duck Aix galericulata 1013 65.52 16 Baikal Teal Sibirionetta formosa 510 32.99 17 Garganey Spatula querquedula 1146 74.13 18 Cinnamon Teal Spatula cyanoptera 483 31.24 19 Northern Shoveler Spatula clypeata 1259 81.44 20 Gadwall Mareca strepera 1249 80.79 21 Eurasian Wigeon Mareca penelope 1251 80.92 22 American Wigeon Mareca americana 942 60.93 23 Mallard Anas platyrhynchos 1236 79.95 24 Northern Pintail Anas acuta 1226 79.30 25 Eurasian Teal Anas crecca 1216 78.65 26 Common Pochard Aythya ferina 1219 78.85 27 Ring-necked Duck Aythya collaris 1003 64.88 28 Tufted Duck Aythya fuligula 1239 80.14 29 Greater Scaup Aythya marila 1116 72.19 30 Lesser Scaup Aythya affinis 878 56.79 31 Common Eider Somateria mollissima 1167 75.49 32 Surf Scoter Melanitta perspicillata 856 55.37 33 Velvet Scoter Melanitta fusca 974 63.00 34 Common Scoter Melanitta nigra 1085 70.18 35 Long-tailed Duck Clangula hyemalis 1102 71.28 36 Bufflehead Bucephala albeola 685 44.31 37 Common Goldeneye Bucephala clangula 1198 77.49 38 Common Merganser Mergus merganser 1187 76.78 39 Red-breasted Merganser Mergus serrator 1179 76.26 40 Ruddy Duck Oxyura jamaicensis 940 60.80 41 California Quail Callipepla californica 429 27.75 42 Wild Turkey Meleagris gallopavo 554 35.83 43 Willow Ptarmigan Lagopus lagopus 932 60.28 44 Black Grouse Lyrurus tetrix 890 57.57 45 Common Pheasant Phasianus colchicus 1154 74.64 46 Red Junglefowl Gallus gallus 484 31.31 47 Grey Francolin Ortygornis pondicerianus 373 24.13 48 Red-legged Partridge Alectoris rufa 1093 70.70 49 European Nightjar Caprimulgus europaeus 1003 64.88 50 White-throated Swift Aeronautes saxatalis 350 22.64 51 Alpine Swift Tachymarptis melba 977 63.20 52 Common Swift Apus apus 1173 75.87 53 Pallid Swift Apus pallidus 860 55.63 54 Anna's Hummingbird Calypte anna 424 27.43 55 Allen's Hummingbird Selasphorus sasin 223 14.42 56 Common Cuckoo Cuculus canorus 1121 72.51 57 Rock Dove Columba livia 1214 78.53 58 Stock Dove Columba oenas 1129 73.03 59 Common Wood Pigeon Columba palumbus 1194 77.23 60 Eurasian Collared Dove Streptopelia decaocto 813 52.59 61 Spotted Dove Spilopelia chinensis 713 46.12 62 Laughing Dove Spilopelia senegalensis 873 56.47 63 Zebra Dove Geopelia striata 466 30.14 64 Mourning Dove Zenaida macroura 754 48.77 65 Pink-necked Green Pigeon Treron vernans 333 21.54 66 Virginia Rail Rallus limicola 261 16.88 67 Water Rail Rallus aquaticus 1071 69.28 68 Sora Porzana carolina 516 33.38 69 Common Gallinule Gallinula galeata 553 35.77 70 Common Moorhen Gallinula chloropus 1162 75.16 71 Eurasian Coot Fulica atra 1239 80.14 72 American Coot Fulica americana 734 47.48 73 White-breasted Waterhen Amaurornis phoenicurus 611 39.52 74 Common Crane Grus grus 1069 69.15 75 Little Grebe Tachybaptus ruficollis 1144 74.00 76 Pied-billed Grebe Podilymbus podiceps 855 55.30 77 Great Crested Grebe Podiceps cristatus 1226 79.30 78 Horned Grebe Podiceps auritus 1051 67.98 79 Western Grebe Aechmophorus occidentalis 421 27.23 80 Greater Flamingo Phoenicopterus roseus 986 63.78 81 Black Oystercatcher Haematopus bachmani 376 24.32 82 Eurasian Oystercatcher Haematopus ostralegus 1206 78.01 83 Black-necked Stilt Himantopus mexicanus 640 41.40 84 Pied Avocet Recurvirostra avosetta 1163 75.23 85 American Avocet Recurvirostra americana 455 29.43 86 Grey Plover Pluvialis squatarola 1167 75.49 87 Eurasian Dotterel Eudromias morinellus 862 55.76 88 Killdeer Charadrius vociferus 736 47.61 89 Common Ringed Plover Charadrius hiaticula 1169 75.61 90 Little Ringed Plover Charadrius dubius 1147 74.19 91 Northern Lapwing Vanellus vanellus 1203 77.81 92 Eurasian Whimbrel Numenius phaeopus 865 55.95 93 Eurasian Curlew Numenius arquata 1197 77.43 94 Bar-tailed Godwit Limosa lapponica 1139 73.67 95 Black-tailed Godwit Limosa limosa 1194 77.23 96 Jack Snipe Lymnocryptes minimus 992 64.17 97 Common Snipe Gallinago gallinago 1180 76.33 98 Red-necked Phalarope Phalaropus lobatus 979 63.32 99 Common Sandpiper Actitis hypoleucos 1191 77.04 100 Green Sandpiper Tringa ochropus 1128 72.96 101 Wood Sandpiper Tringa glareola 1105 71.47 102 Common Redshank Tringa totanus 1206 78.01 103 Spotted Redshank Tringa erythropus 1108 71.67 104 Common Greenshank Tringa nebularia 1171 75.74 105 Ruddy Turnstone Arenaria interpres 1212 78.40 106 Black Turnstone Arenaria melanocephala 294 19.02 107 Red Knot Calidris canutus 1125 72.77 108 Surfbird Calidris virgata 300 19.40 109 Ruff Calidris pugnax 1168 75.55 110 Curlew Sandpiper Calidris ferruginea 1083 70.05 111 Sanderling Calidris alba 1195 77.30 112 Dunlin Calidris alpina 1204 77.88 113 Purple Sandpiper Calidris maritima 1050 67.92 114 Little Tern Sternula albifrons 1065 68.89 115 Forster's Tern Sterna forsteri 645 41.72 116 Arctic Tern Sterna paradisaea 1076 69.60 117 Common Tern Sterna hirundo 1205 77.94 118 Sandwich Tern Thalasseus sandvicensis 1103 71.35 119 Black-legged Kittiwake Rissa tridactyla 1126 72.83 120 Black-headed Gull Chroicocephalus ridibundus 1221 78.98 121 Mediterranean Gull Ichthyaetus melanocephalus 1086 70.25 122 Heermann's Gull Larus heermanni 384 24.84 123 Common Gull Larus canus 780 50.45 124 Ring-billed Gull Larus delawarensis 918 59.38 125 Western Gull Larus occidentalis 397 25.68 126 Caspian Gull Larus cachinnans 888 57.44 127 European Herring Gull Larus argentatus 1176 76.07 128 Yellow-legged Gull Larus michahellis 1071 69.28 129 Great Black-backed Gull Larus marinus 1185 76.65 130 Lesser Black-backed Gull Larus fuscus 1184 76.58 131 California Gull Larus californicus 424 27.43 132 Glaucous-winged Gull Larus glaucescens 429 27.75 133 Arctic Skua Stercorarius parasiticus 1045 67.59 134 Atlantic Puffin Fratercula arctica 1068 69.08 135 Pigeon Guillemot Cepphus columba 359 23.22 136 Razorbill Alca torda 1122 72.57 137 Common Murre Uria aalge 1116 72.19 138 Red-throated Diver Gavia stellata 1106 71.54 139 Great Northern Diver Gavia immer 1110 71.80 140 African Penguin Spheniscus demersus 309 19.99 141 Northern Fulmar Fulmarus glacialis 1129 73.03 142 Manx Shearwater Puffinus puffinus 1015 65.65 143 Saddle-billed Stork Ephippiorhynchus senegalensis 412 26.65 144 Northern Gannet Morus bassanus 1178 76.20 145 Brandt's Cormorant Urile penicillatus 380 24.58 146 Pelagic Cormorant Urile pelagicus 415 26.84 147 Cape Cormorant Phalacrocorax capensis 314 20.31 148 White-breasted Cormorant Phalacrocorax lucidus 423 27.36 149 Great Cormorant Phalacrocorax carbo 1172 75.81 150 European Shag Gulosus aristotelis 1141 73.80 151 Double-crested Cormorant Nannopterum auritum 765 49.48 152 Eurasian Spoonbill Platalea leucorodia 1158 74.90 153 Eurasian Bittern Botaurus stellaris 1062 68.69 154 Black-crowned Night Heron Nycticorax nycticorax 1104 71.41 155 Snowy Egret Egretta thula 818 52.91 156 Little Egret Egretta garzetta 1168 75.55 157 Western Reef Heron Egretta gularis 601 38.87 158 Western Cattle Egret Bubulcus ibis 1121 72.51 159 Great Egret Ardea alba 1213 78.46 160 Medium Egret Ardea intermedia 279 18.05 161 Grey Heron Ardea cinerea 1248 80.72 162 Great Blue Heron Ardea herodias 838 54.20 163 Brown Pelican Pelecanus occidentalis 794 51.36 164 Turkey Vulture Cathartes aura 882 57.05 165 Osprey Pandion haliaetus 1145 74.06 166 White-tailed Kite Elanus leucurus 485 31.37 167 White-backed Vulture Gyps africanus 567 36.68 168 White-headed Vulture Trigonoceps occipitalis 366 23.67 169 Bateleur Terathopius ecaudatus 554 35.83 170 Martial Eagle Polemaetus bellicosus 478 30.92 171 Golden Eagle Aquila chrysaetos 1051 67.98 172 Eurasian Sparrowhawk Accipiter nisus 1186 76.71 173 Cooper's Hawk Accipiter cooperii 567 36.68 174 Western Marsh Harrier Circus aeruginosus 1173 75.87 175 Hen Harrier Circus cyaneus 1088 70.38 176 Northern Harrier Circus hudsonius 601 38.87 177 Red Kite Milvus milvus 1168 75.55 178 Red-shouldered Hawk Buteo lineatus 504 32.60 179 Red-tailed Hawk Buteo jamaicensis 766 49.55 180 Common Buzzard Buteo buteo 1132 73.22 181 Western Barn Owl Tyto alba 925 59.83 182 Great Horned Owl Bubo virginianus 440 28.46 183 Tawny Owl Strix aluco 808 52.26 184 Eurasian Hoopoe Upupa epops 1036 67.01 185 Southern Red-billed Hornbill Tockus rufirostris 263 17.01 186 Lilac-breasted Roller Coracias caudatus 510 32.99 187 Collared Kingfisher Todiramphus chloris 452 29.24 188 Common Kingfisher Alcedo atthis 1183 76.52 189 Blue-throated Bee-eater Merops viridis 210 13.58 190 Acorn Woodpecker Melanerpes formicivorus 509 32.92 191 Nuttall's Woodpecker Dryobates nuttallii 236 15.27 192 Hairy Woodpecker Leuconotopicus villosus 598 38.68 193 Great Spotted Woodpecker Dendrocopos major 1144 74.00 194 Pileated Woodpecker Dryocopus pileatus 469 30.34 195 European Green Woodpecker Picus viridis 987 63.84 196 Common Kestrel Falco tinnunculus 1140 73.74 197 Merlin Falco columbarius 1105 71.47 198 Eurasian Hobby Falco subbuteo 1106 71.54 199 Peregrine Falcon Falco peregrinus 1206 78.01 200 Red-breasted Parakeet Psittacula alexandri 310 20.05 201 Rose-ringed Parakeet Psittacula krameri 1063 68.76 202 Australian Ringneck Barnardius zonarius 186 12.03 203 Rainbow Lorikeet Trichoglossus moluccanus 331 21.41 204 Black Phoebe Sayornis nigricans 568 36.74 205 Western Flycatcher Empidonax difficilis 286 18.50 206 Pied Triller Lalage nigra 214 13.84 207 Hutton's Vireo Vireo huttoni 279 18.05 208 Black-naped Oriole Oriolus chinensis 468 30.27 209 Malaysian Pied Fantail Rhipidura javanica 358 23.16 210 Great Grey Shrike Lanius excubitor 803 51.94 211 Masked Shrike Lanius nubicus 609 39.39 212 Isabelline Shrike Lanius isabellinus 572 37.00 213 Steller's Jay Cyanocitta stelleri 499 32.28 214 California Scrub Jay Aphelocoma californica 335 21.67 215 Eurasian Jay Garrulus glandarius 1151 74.45 216 Eurasian Magpie Pica pica 1086 70.25 217 Red-billed Chough Pyrrhocorax pyrrhocorax 990 64.04 218 Western Jackdaw Coloeus monedula 1148 74.26 219 House Crow Corvus splendens 715 46.25 220 Rook Corvus frugilegus 1128 72.96 221 American Crow Corvus brachyrhynchos 688 44.50 222 Carrion Crow Corvus corone 1124 72.70 223 Hooded Crow Corvus cornix 1041 67.34 224 Northern Raven Corvus corax 1158 74.90 225 Bohemian Waxwing Bombycilla garrulus 1012 65.46 226 Coal Tit Periparus ater 1069 69.15 227 Crested Tit Lophophanes cristatus 954 61.71 228 Oak Titmouse Baeolophus inornatus 241 15.59 229 Chestnut-backed Chickadee Poecile rufescens 331 21.41 230 Marsh Tit Poecile palustris 935 60.48 231 Eurasian Blue Tit Cyanistes caeruleus 1120 72.45 232 Great Tit Parus major 1093 70.70 233 Eurasian Skylark Alauda arvensis 1134 73.35 234 Red-vented Bulbul Pycnonotus cafer 536 34.67 235 White-eared Bulbul Pycnonotus leucotis 339 21.93 236 Sand Martin Riparia riparia 1140 73.74 237 Tree Swallow Tachycineta bicolor 570 36.87 238 Violet-green Swallow Tachycineta thalassina 394 25.49 239 Pacific Swallow Hirundo tahitica 419 27.10 240 Barn Swallow Hirundo rustica 1210 78.27 241 Western House Martin Delichon urbicum 777 50.26 242 American Cliff Swallow Petrochelidon pyrrhonota 587 37.97 243 Cetti's Warbler Cettia cetti 1034 66.88 244 American Bushtit Psaltriparus minimus 408 26.39 245 Long-tailed Tit Aegithalos caudatus 1044 67.53 246 Wood Warbler Phylloscopus sibilatrix 963 62.29 247 Willow Warbler Phylloscopus trochilus 1102 71.28 248 Common Chiffchaff Phylloscopus collybita 1069 69.15 249 Sedge Warbler Acrocephalus schoenobaenus 1080 69.86 250 Common Reed Warbler Acrocephalus scirpaceus 1086 70.25 251 Common Grasshopper Warbler Locustella naevia 952 61.58 252 Delicate Prinia Prinia lepida 190 12.29 253 Eurasian Blackcap Sylvia atricapilla 1124 72.70 254 Garden Warbler Sylvia borin 1028 66.49 255 Barred Warbler Curruca nisoria 769 49.74 256 Lesser Whitethroat Curruca curruca 974 63.00 257 Sardinian Warbler Curruca melanocephala 921 59.57 258 Common Whitethroat Curruca communis 1096 70.89 259 Wrentit Chamaea fasciata 214 13.84 260 Common Firecrest Regulus ignicapilla 967 62.55 261 Golden-crowned Kinglet Regulus satrapa 417 26.97 262 Goldcrest Regulus regulus 1096 70.89 263 Rock Wren Salpinctes obsoletus 300 19.40 264 Marsh Wren Cistothorus palustris 400 25.87 265 Bewick's Wren Thryomanes bewickii 393 25.42 266 Eurasian Wren Troglodytes troglodytes 1050 67.92 267 Pacific Wren Troglodytes pacificus 214 13.84 268 House Wren Troglodytes aedon 677 43.79 269 Pygmy Nuthatch Sitta pygmaea 323 20.89 270 Eurasian Nuthatch Sitta europaea 1031 66.69 271 Eurasian Treecreeper Certhia familiaris 1024 66.24 272 Brown Creeper Certhia americana 473 30.60 273 Northern Mockingbird Mimus polyglottos 693 44.83 274 Javan Myna Acridotheres javanicus 292 18.89 275 Common Myna Acridotheres tristis 810 52.39 276 Common Starling Sturnus vulgaris 1200 77.62 277 Long-tailed Glossy Starling Lamprotornis caudatus 336 21.73 278 Yellow-billed Oxpecker Buphagus africanus 474 30.66 279 Red-billed Oxpecker Buphagus erythrorynchus 466 30.14 280 Western Bluebird Sialia mexicana 349 22.57 281 Hermit Thrush Catharus guttatus 516 33.38 282 Song Thrush Turdus philomelos 1146 74.13 283 Mistle Thrush Turdus viscivorus 1117 72.25 284 Redwing Turdus iliacus 1112 71.93 285 Common Blackbird Turdus merula 1012 65.46 286 Fieldfare Turdus pilaris 1107 71.60 287 Ring Ouzel Turdus torquatus 983 63.58 288 American Robin Turdus migratorius 800 51.75 289 Oriental Magpie-Robin Copsychus saularis 592 38.29 290 Spotted Flycatcher Muscicapa striata 884 57.18 291 European Robin Erithacus rubecula 1063 68.76 292 European Pied Flycatcher Ficedula hypoleuca 988 63.91 293 Black Redstart Phoenicurus ochruros 1085 70.18 294 Common Redstart Phoenicurus phoenicurus 1063 68.76 295 Whinchat Saxicola rubetra 1045 67.59 296 European Stonechat Saxicola rubicola 1080 69.86 297 Northern Wheatear Oenanthe oenanthe 766 49.55 298 Isabelline Wheatear Oenanthe isabellina 740 47.87 299 White-throated Dipper Cinclus cinclus 1050 67.92 300 Brown-throated Sunbird Anthreptes malacensis 344 22.25 301 Little Spiderhunter Arachnothera longirostra 360 23.29 302 Eurasian Tree Sparrow Passer montanus 1119 72.38 303 Spanish Sparrow Passer hispaniolensis 873 56.47 304 House Sparrow Passer domesticus 1224 79.17 305 Indian Silverbill Euodice malabarica 413 26.71 306 Scaly-breasted Munia Lonchura punctulata 606 39.20 307 Dunnock Prunella modularis 1130 73.09 308 Grey Wagtail Motacilla cinerea 1152 74.51 309 White Wagtail Motacilla alba 1102 71.28 310 Paddyfield Pipit Anthus rufulus 495 32.02 311 Meadow Pipit Anthus pratensis 1115 72.12 312 Tree Pipit Anthus trivialis 1026 66.36 313 Buff-bellied Pipit Anthus rubescens 557 36.03 314 Water Pipit Anthus spinoletta 965 62.42 315 European Rock Pipit Anthus petrosus 1039 67.21 316 Eurasian Chaffinch Fringilla coelebs 584 37.77 317 Brambling Fringilla montifringilla 1049 67.85 318 Hawfinch Coccothraustes coccothraustes 1005 65.01 319 Eurasian Bullfinch Pyrrhula pyrrhula 1096 70.89 320 House Finch Haemorhous mexicanus 605 39.13 321 European Greenfinch Chloris chloris 1133 73.29 322 Twite Linaria flavirostris 876 56.66 323 Common Linnet Linaria cannabina 1118 72.32 324 Lesser Redpoll Acanthis cabaret 776 50.19 325 Red Crossbill Loxia curvirostra 827 53.49 326 European Goldfinch Carduelis carduelis 1162 75.16 327 American Goldfinch Spinus tristis 556 35.96 328 Lesser Goldfinch Spinus psaltria 456 29.50 329 Eurasian Siskin Spinus spinus 1095 70.83 330 Lapland Longspur Calcarius lapponicus 807 52.20 331 Snow Bunting Plectrophenax nivalis 1002 64.81 332 Yellowhammer Emberiza citrinella 1084 70.12 333 Common Reed Bunting Emberiza schoeniclus 1106 71.54 334 Dark-eyed Junco Junco hyemalis 678 43.86 335 White-crowned Sparrow Zonotrichia leucophrys 623 40.30 336 Golden-crowned Sparrow Zonotrichia atricapilla 235 15.20 337 Song Sparrow Melospiza melodia 602 38.94 338 California Towhee Melozone crissalis 287 18.56 339 Spotted Towhee Pipilo maculatus 410 26.52 340 Western Meadowlark Sturnella neglecta 359 23.22 341 Red-winged Blackbird Agelaius phoeniceus 741 47.93 342 Brewer's Blackbird Euphagus cyanocephalus 461 29.82 343 Great-tailed Grackle Quiscalus mexicanus 608 39.33 344 Common Yellowthroat Geothlypis trichas 648 41.91 345 Audubon's Warbler Setophaga auduboni 280 18.11 346 Wilson's Warbler Cardellina pusilla 538 34.80