Daniel Clein: World Life List IOC, All records: Top Blockers Record(s) 1 to 381 of 381 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 1160 75.18 2 Canada Goose Branta canadensis 1232 79.84 3 Barnacle Goose Branta leucopsis 1146 74.27 4 Snow Goose Anser caerulescens 749 48.54 5 Greylag Goose Anser anser 1242 80.49 6 Pink-footed Goose Anser brachyrhynchus 1101 71.35 7 Mute Swan Cygnus olor 1266 82.05 8 Trumpeter Swan Cygnus buccinator 256 16.59 9 Whooper Swan Cygnus cygnus 1152 74.66 10 Egyptian Goose Alopochen aegyptiaca 1128 73.10 11 Common Shelduck Tadorna tadorna 1230 79.71 12 Ruddy Shelduck Tadorna ferruginea 869 56.32 13 Wood Duck Aix sponsa 632 40.96 14 Mandarin Duck Aix galericulata 1008 65.33 15 Garganey Spatula querquedula 1141 73.95 16 Cinnamon Teal Spatula cyanoptera 482 31.24 17 Blue-winged Teal Spatula discors 848 54.96 18 Northern Shoveler Spatula clypeata 1256 81.40 19 Gadwall Mareca strepera 1245 80.69 20 Eurasian Wigeon Mareca penelope 1248 80.88 21 American Wigeon Mareca americana 940 60.92 22 Mallard Anas platyrhynchos 1233 79.91 23 Northern Pintail Anas acuta 1222 79.20 24 Eurasian Teal Anas crecca 1213 78.61 25 Green-winged Teal Anas carolinensis 936 60.66 26 Marbled Duck Marmaronetta angustirostris 595 38.56 27 Red-crested Pochard Netta rufina 1084 70.25 28 Canvasback Aythya valisineria 496 32.15 29 Redhead Aythya americana 496 32.15 30 Common Pochard Aythya ferina 1215 78.74 31 Ring-necked Duck Aythya collaris 1000 64.81 32 Tufted Duck Aythya fuligula 1236 80.10 33 Lesser Scaup Aythya affinis 877 56.84 34 Common Eider Somateria mollissima 1163 75.37 35 Surf Scoter Melanitta perspicillata 854 55.35 36 White-winged Scoter Melanitta deglandi 414 26.83 37 Bufflehead Bucephala albeola 684 44.33 38 Hooded Merganser Lophodytes cucullatus 620 40.18 39 Common Merganser Mergus merganser 1183 76.67 40 Red-breasted Merganser Mergus serrator 1175 76.15 41 Ruddy Duck Oxyura jamaicensis 938 60.79 42 California Quail Callipepla californica 429 27.80 43 Wild Turkey Meleagris gallopavo 553 35.84 44 Grey Partridge Perdix perdix 1064 68.96 45 Common Pheasant Phasianus colchicus 1150 74.53 46 Black Francolin Francolinus francolinus 467 30.27 47 Common Quail Coturnix coturnix 881 57.10 48 Red-legged Partridge Alectoris rufa 1090 70.64 49 Vaux's Swift Chaetura vauxi 352 22.81 50 Alpine Swift Tachymarptis melba 975 63.19 51 Common Swift Apus apus 1171 75.89 52 Pallid Swift Apus pallidus 857 55.54 53 Black-chinned Hummingbird Archilochus alexandri 334 21.65 54 Anna's Hummingbird Calypte anna 424 27.48 55 Calliope Hummingbird Selasphorus calliope 168 10.89 56 Rufous Hummingbird Selasphorus rufus 317 20.54 57 Rock Dove Columba livia 1211 78.48 58 Stock Dove Columba oenas 1127 73.04 59 Common Wood Pigeon Columba palumbus 1192 77.25 60 Band-tailed Pigeon Patagioenas fasciata 511 33.12 61 European Turtle Dove Streptopelia turtur 1037 67.21 62 Eurasian Collared Dove Streptopelia decaocto 810 52.50 63 Laughing Dove Spilopelia senegalensis 869 56.32 64 Mourning Dove Zenaida macroura 752 48.74 65 Virginia Rail Rallus limicola 261 16.92 66 Water Rail Rallus aquaticus 1069 69.28 67 Sora Porzana carolina 515 33.38 68 Common Moorhen Gallinula chloropus 1160 75.18 69 Eurasian Coot Fulica atra 1236 80.10 70 Red-knobbed Coot Fulica cristata 698 45.24 71 American Coot Fulica americana 733 47.50 72 Western Swamphen Porphyrio porphyrio 719 46.60 73 Sandhill Crane Antigone canadensis 577 37.39 74 Little Grebe Tachybaptus ruficollis 1139 73.82 75 Pied-billed Grebe Podilymbus podiceps 854 55.35 76 Great Crested Grebe Podiceps cristatus 1224 79.33 77 Black-necked Grebe Podiceps nigricollis 1113 72.13 78 Western Grebe Aechmophorus occidentalis 419 27.15 79 Clark's Grebe Aechmophorus clarkii 280 18.15 80 Greater Flamingo Phoenicopterus roseus 982 63.64 81 Black Oystercatcher Haematopus bachmani 375 24.30 82 Eurasian Oystercatcher Haematopus ostralegus 1204 78.03 83 Black-winged Stilt Himantopus himantopus 1098 71.16 84 Black-necked Stilt Himantopus mexicanus 639 41.41 85 Pied Avocet Recurvirostra avosetta 1161 75.24 86 American Avocet Recurvirostra americana 453 29.36 87 Grey Plover Pluvialis squatarola 1163 75.37 88 European Golden Plover Pluvialis apricaria 1133 73.43 89 Killdeer Charadrius vociferus 735 47.63 90 Common Ringed Plover Charadrius hiaticula 1165 75.50 91 Little Ringed Plover Charadrius dubius 1143 74.08 92 Northern Lapwing Vanellus vanellus 1201 77.84 93 Eurasian Whimbrel Numenius phaeopus 862 55.87 94 Hudsonian Whimbrel Numenius hudsonicus 449 29.10 95 Long-billed Curlew Numenius americanus 391 25.34 96 Eurasian Curlew Numenius arquata 1193 77.32 97 Bar-tailed Godwit Limosa lapponica 1135 73.56 98 Black-tailed Godwit Limosa limosa 1191 77.19 99 Long-billed Dowitcher Limnodromus scolopaceus 888 57.55 100 Common Snipe Gallinago gallinago 1177 76.28 101 Wilson's Snipe Gallinago delicata 507 32.86 102 Wilson's Phalarope Phalaropus tricolor 726 47.05 103 Common Sandpiper Actitis hypoleucos 1187 76.93 104 Spotted Sandpiper Actitis macularius 902 58.46 105 Green Sandpiper Tringa ochropus 1125 72.91 106 Wood Sandpiper Tringa glareola 1102 71.42 107 Common Redshank Tringa totanus 1203 77.97 108 Willet Tringa semipalmata 670 43.42 109 Spotted Redshank Tringa erythropus 1105 71.61 110 Common Greenshank Tringa nebularia 1168 75.70 111 Greater Yellowlegs Tringa melanoleuca 772 50.03 112 Ruddy Turnstone Arenaria interpres 1210 78.42 113 Red Knot Calidris canutus 1121 72.65 114 Ruff Calidris pugnax 1164 75.44 115 Curlew Sandpiper Calidris ferruginea 1077 69.80 116 Buff-breasted Sandpiper Calidris subruficollis 764 49.51 117 Sanderling Calidris alba 1191 77.19 118 Dunlin Calidris alpina 1201 77.84 119 Purple Sandpiper Calidris maritima 1046 67.79 120 Little Stint Calidris minuta 1082 70.12 121 Pectoral Sandpiper Calidris melanotos 973 63.06 122 Little Tern Sternula albifrons 1061 68.76 123 Gull-billed Tern Gelochelidon nilotica 733 47.50 124 Caspian Tern Hydroprogne caspia 995 64.48 125 Whiskered Tern Chlidonias hybrida 951 61.63 126 Black Tern Chlidonias niger 1000 64.81 127 Forster's Tern Sterna forsteri 643 41.67 128 Arctic Tern Sterna paradisaea 1072 69.48 129 Common Tern Sterna hirundo 1202 77.90 130 Sandwich Tern Thalasseus sandvicensis 1100 71.29 131 Black-legged Kittiwake Rissa tridactyla 1122 72.72 132 Slender-billed Gull Chroicocephalus genei 782 50.68 133 Bonaparte's Gull Chroicocephalus philadelphia 789 51.13 134 Black-headed Gull Chroicocephalus ridibundus 1217 78.87 135 Franklin's Gull Leucophaeus pipixcan 615 39.86 136 Audouin's Gull Ichthyaetus audouinii 812 52.62 137 Mediterranean Gull Ichthyaetus melanocephalus 1083 70.19 138 Common Gull Larus canus 776 50.29 139 Short-billed Gull Larus brachyrhynchus 170 11.02 140 Ring-billed Gull Larus delawarensis 916 59.36 141 Western Gull Larus occidentalis 396 25.66 142 European Herring Gull Larus argentatus 1172 75.96 143 Yellow-legged Gull Larus michahellis 1066 69.09 144 Great Black-backed Gull Larus marinus 1181 76.54 145 Lesser Black-backed Gull Larus fuscus 1181 76.54 146 California Gull Larus californicus 423 27.41 147 American Herring Gull Larus smithsonianus 611 39.60 148 Glaucous-winged Gull Larus glaucescens 428 27.74 149 Tufted Puffin Fratercula cirrhata 173 11.21 150 Atlantic Puffin Fratercula arctica 1065 69.02 151 Pigeon Guillemot Cepphus columba 358 23.20 152 Razorbill Alca torda 1118 72.46 153 Common Murre Uria aalge 1112 72.07 154 Red-throated Diver Gavia stellata 1102 71.42 155 Black-throated Diver Gavia arctica 1022 66.23 156 Pacific Diver Gavia pacifica 554 35.90 157 Northern Fulmar Fulmarus glacialis 1124 72.85 158 Cory's Shearwater Calonectris borealis 761 49.32 159 Northern Gannet Morus bassanus 1175 76.15 160 Brandt's Cormorant Urile penicillatus 379 24.56 161 Pelagic Cormorant Urile pelagicus 414 26.83 162 Great Cormorant Phalacrocorax carbo 1169 75.76 163 Double-crested Cormorant Nannopterum auritum 764 49.51 164 Glossy Ibis Plegadis falcinellus 1149 74.47 165 White-faced Ibis Plegadis chihi 389 25.21 166 Eurasian Spoonbill Platalea leucorodia 1156 74.92 167 Eurasian Bittern Botaurus stellaris 1059 68.63 168 Little Bittern Ixobrychus minutus 860 55.74 169 Black-crowned Night Heron Nycticorax nycticorax 1103 71.48 170 Snowy Egret Egretta thula 817 52.95 171 Little Egret Egretta garzetta 1165 75.50 172 Squacco Heron Ardeola ralloides 955 61.89 173 Western Cattle Egret Bubulcus ibis 1119 72.52 174 Great Egret Ardea alba 1210 78.42 175 Grey Heron Ardea cinerea 1245 80.69 176 Great Blue Heron Ardea herodias 836 54.18 177 American White Pelican Pelecanus erythrorhynchos 559 36.23 178 Brown Pelican Pelecanus occidentalis 793 51.39 179 Turkey Vulture Cathartes aura 880 57.03 180 Osprey Pandion haliaetus 1143 74.08 181 White-tailed Kite Elanus leucurus 484 31.37 182 Eurasian Sparrowhawk Accipiter nisus 1184 76.73 183 Sharp-shinned Hawk Accipiter striatus 514 33.31 184 Western Marsh Harrier Circus aeruginosus 1170 75.83 185 Hen Harrier Circus cyaneus 1085 70.32 186 Northern Harrier Circus hudsonius 598 38.76 187 Red Kite Milvus milvus 1166 75.57 188 Bald Eagle Haliaeetus leucocephalus 650 42.13 189 Swainson's Hawk Buteo swainsoni 415 26.90 190 Red-tailed Hawk Buteo jamaicensis 764 49.51 191 Ferruginous Hawk Buteo regalis 185 11.99 192 Common Buzzard Buteo buteo 1130 73.23 193 Western Barn Owl Tyto alba 921 59.69 194 American Barn Owl Tyto furcata 234 15.17 195 Burrowing Owl Athene cunicularia 451 29.23 196 Little Owl Athene noctua 1069 69.28 197 Short-eared Owl Asio flammeus 1109 71.87 198 Great Horned Owl Bubo virginianus 438 28.39 199 Eurasian Hoopoe Upupa epops 1033 66.95 200 Common Kingfisher Alcedo atthis 1180 76.47 201 Belted Kingfisher Megaceryle alcyon 766 49.64 202 European Bee-eater Merops apiaster 1015 65.78 203 Lewis's Woodpecker Melanerpes lewis 192 12.44 204 Red-naped Sapsucker Sphyrapicus nuchalis 209 13.55 205 Red-breasted Sapsucker Sphyrapicus ruber 245 15.88 206 Downy Woodpecker Dryobates pubescens 610 39.53 207 White-headed Woodpecker Leuconotopicus albolarvatus 202 13.09 208 Great Spotted Woodpecker Dendrocopos major 1141 73.95 209 Northern Flicker Colaptes auratus 633 41.02 210 European Green Woodpecker Picus viridis 984 63.77 211 Iberian Green Woodpecker Picus sharpei 454 29.42 212 Common Kestrel Falco tinnunculus 1136 73.62 213 American Kestrel Falco sparverius 754 48.87 214 Merlin Falco columbarius 1101 71.35 215 Eurasian Hobby Falco subbuteo 1102 71.42 216 Prairie Falcon Falco mexicanus 246 15.94 217 Peregrine Falcon Falco peregrinus 1202 77.90 218 Monk Parakeet Myiopsitta monachus 548 35.52 219 Say's Phoebe Sayornis saya 338 21.91 220 Western Wood Pewee Contopus sordidulus 403 26.12 221 Willow Flycatcher Empidonax traillii 310 20.09 222 American Grey Flycatcher Empidonax wrightii 175 11.34 223 Western Flycatcher Empidonax difficilis 286 18.54 224 Western Kingbird Tyrannus verticalis 402 26.05 225 Warbling Vireo Vireo gilvus 420 27.22 226 Great Grey Shrike Lanius excubitor 799 51.78 227 Loggerhead Shrike Lanius ludovicianus 466 30.20 228 Iberian Grey Shrike Lanius meridionalis 696 45.11 229 Masked Shrike Lanius nubicus 606 39.27 230 Woodchat Shrike Lanius senator 917 59.43 231 Red-backed Shrike Lanius collurio 989 64.10 232 Steller's Jay Cyanocitta stelleri 497 32.21 233 California Scrub Jay Aphelocoma californica 334 21.65 234 Eurasian Jay Garrulus glandarius 1147 74.34 235 Eurasian Magpie Pica pica 1084 70.25 236 Black-billed Magpie Pica hudsonia 350 22.68 237 Red-billed Chough Pyrrhocorax pyrrhocorax 988 64.03 238 Western Jackdaw Coloeus monedula 1146 74.27 239 Rook Corvus frugilegus 1125 72.91 240 American Crow Corvus brachyrhynchos 684 44.33 241 Carrion Crow Corvus corone 1122 72.72 242 Hooded Crow Corvus cornix 1038 67.27 243 Northern Raven Corvus corax 1156 74.92 244 Cedar Waxwing Bombycilla cedrorum 592 38.37 245 Coal Tit Periparus ater 1066 69.09 246 Crested Tit Lophophanes cristatus 952 61.70 247 Black-capped Chickadee Poecile atricapillus 530 34.35 248 Mountain Chickadee Poecile gambeli 349 22.62 249 Marsh Tit Poecile palustris 930 60.27 250 Willow Tit Poecile montanus 958 62.09 251 African Blue Tit Cyanistes teneriffae 522 33.83 252 Eurasian Blue Tit Cyanistes caeruleus 1118 72.46 253 Great Tit Parus major 1091 70.71 254 Bearded Reedling Panurus biarmicus 991 64.23 255 Eurasian Skylark Alauda arvensis 1131 73.30 256 Crested Lark Galerida cristata 872 56.51 257 Horned Lark Eremophila alpestris 919 59.56 258 Mediterranean Short-toed Lark Alaudala rufescens 422 27.35 259 Sand Martin Riparia riparia 1137 73.69 260 Tree Swallow Tachycineta bicolor 568 36.81 261 Violet-green Swallow Tachycineta thalassina 392 25.41 262 Purple Martin Progne subis 508 32.92 263 Northern Rough-winged Swallow Stelgidopteryx serripennis 614 39.79 264 Eurasian Crag Martin Ptyonoprogne rupestris 908 58.85 265 Barn Swallow Hirundo rustica 1207 78.22 266 Western House Martin Delichon urbicum 775 50.23 267 Red-rumped Swallow Cecropis daurica 901 58.39 268 American Cliff Swallow Petrochelidon pyrrhonota 585 37.91 269 Cetti's Warbler Cettia cetti 1031 66.82 270 American Bushtit Psaltriparus minimus 406 26.31 271 Long-tailed Tit Aegithalos caudatus 1042 67.53 272 Wood Warbler Phylloscopus sibilatrix 957 62.02 273 Willow Warbler Phylloscopus trochilus 1099 71.22 274 Canary Islands Chiffchaff Phylloscopus canariensis 380 24.63 275 Common Chiffchaff Phylloscopus collybita 1067 69.15 276 Sedge Warbler Acrocephalus schoenobaenus 1077 69.80 277 Common Reed Warbler Acrocephalus scirpaceus 1083 70.19 278 Zitting Cisticola Cisticola juncidis 908 58.85 279 Eurasian Blackcap Sylvia atricapilla 1121 72.65 280 Garden Warbler Sylvia borin 1023 66.30 281 Sardinian Warbler Curruca melanocephala 918 59.49 282 Western Subalpine Warbler Curruca iberiae 528 34.22 283 Common Whitethroat Curruca communis 1093 70.84 284 Ruby-crowned Kinglet Corthylio calendula 502 32.53 285 Golden-crowned Kinglet Regulus satrapa 416 26.96 286 Goldcrest Regulus regulus 1094 70.90 287 Rock Wren Salpinctes obsoletus 299 19.38 288 Canyon Wren Catherpes mexicanus 289 18.73 289 Marsh Wren Cistothorus palustris 397 25.73 290 Bewick's Wren Thryomanes bewickii 393 25.47 291 Eurasian Wren Troglodytes troglodytes 1047 67.85 292 Pacific Wren Troglodytes pacificus 214 13.87 293 House Wren Troglodytes aedon 675 43.75 294 White-breasted Nuthatch Sitta carolinensis 524 33.96 295 Pygmy Nuthatch Sitta pygmaea 323 20.93 296 Red-breasted Nuthatch Sitta canadensis 497 32.21 297 Eurasian Nuthatch Sitta europaea 1028 66.62 298 Eurasian Treecreeper Certhia familiaris 1021 66.17 299 Brown Creeper Certhia americana 470 30.46 300 Short-toed Treecreeper Certhia brachydactyla 836 54.18 301 Sage Thrasher Oreoscoptes montanus 186 12.05 302 Common Starling Sturnus vulgaris 1196 77.51 303 Spotless Starling Sturnus unicolor 794 51.46 304 Mountain Bluebird Sialia currucoides 287 18.60 305 Western Bluebird Sialia mexicana 348 22.55 306 Townsend's Solitaire Myadestes townsendi 261 16.92 307 Swainson's Thrush Catharus ustulatus 605 39.21 308 Song Thrush Turdus philomelos 1143 74.08 309 Mistle Thrush Turdus viscivorus 1114 72.20 310 Redwing Turdus iliacus 1109 71.87 311 Common Blackbird Turdus merula 1009 65.39 312 Fieldfare Turdus pilaris 1104 71.55 313 American Robin Turdus migratorius 798 51.72 314 Spotted Flycatcher Muscicapa striata 876 56.77 315 European Robin Erithacus rubecula 1061 68.76 316 European Pied Flycatcher Ficedula hypoleuca 983 63.71 317 Common Redstart Phoenicurus phoenicurus 1058 68.57 318 Whinchat Saxicola rubetra 1039 67.34 319 European Stonechat Saxicola rubicola 1077 69.80 320 Northern Wheatear Oenanthe oenanthe 762 49.38 321 Cyprus Wheatear Oenanthe cypriaca 310 20.09 322 Black Wheatear Oenanthe leucura 606 39.27 323 White-throated Dipper Cinclus cinclus 1047 67.85 324 American Dipper Cinclus mexicanus 379 24.56 325 Eurasian Tree Sparrow Passer montanus 1116 72.33 326 Spanish Sparrow Passer hispaniolensis 869 56.32 327 House Sparrow Passer domesticus 1220 79.07 328 Dunnock Prunella modularis 1127 73.04 329 Western Yellow Wagtail Motacilla flava 1029 66.69 330 Grey Wagtail Motacilla cinerea 1149 74.47 331 White Wagtail Motacilla alba 1098 71.16 332 Meadow Pipit Anthus pratensis 1112 72.07 333 Water Pipit Anthus spinoletta 961 62.28 334 Berthelot's Pipit Anthus berthelotii 541 35.06 335 Eurasian Chaffinch Fringilla coelebs 578 37.46 336 Evening Grosbeak Hesperiphona vespertina 237 15.36 337 Eurasian Bullfinch Pyrrhula pyrrhula 1093 70.84 338 Trumpeter Finch Bucanetes githagineus 599 38.82 339 Purple Finch Haemorhous purpureus 343 22.23 340 Cassin's Finch Haemorhous cassinii 240 15.55 341 House Finch Haemorhous mexicanus 603 39.08 342 European Greenfinch Chloris chloris 1130 73.23 343 Common Linnet Linaria cannabina 1115 72.26 344 Lesser Redpoll Acanthis cabaret 771 49.97 345 Red Crossbill Loxia curvirostra 822 53.27 346 European Goldfinch Carduelis carduelis 1158 75.05 347 European Serin Serinus serinus 958 62.09 348 Atlantic Canary Serinus canaria 505 32.73 349 American Goldfinch Spinus tristis 554 35.90 350 Lesser Goldfinch Spinus psaltria 456 29.55 351 Eurasian Siskin Spinus spinus 1092 70.77 352 Yellowhammer Emberiza citrinella 1082 70.12 353 Common Reed Bunting Emberiza schoeniclus 1103 71.48 354 Lark Sparrow Chondestes grammacus 342 22.16 355 Chipping Sparrow Spizella passerina 523 33.90 356 Brewer's Sparrow Spizella breweri 215 13.93 357 Dark-eyed Junco Junco hyemalis 675 43.75 358 White-crowned Sparrow Zonotrichia leucophrys 621 40.25 359 Golden-crowned Sparrow Zonotrichia atricapilla 234 15.17 360 Sagebrush Sparrow Artemisiospiza nevadensis 112 7.26 361 Vesper Sparrow Pooecetes gramineus 306 19.83 362 Savannah Sparrow Passerculus sandwichensis 512 33.18 363 Song Sparrow Melospiza melodia 600 38.89 364 Spotted Towhee Pipilo maculatus 409 26.51 365 Yellow-headed Blackbird Xanthocephalus xanthocephalus 333 21.58 366 Western Meadowlark Sturnella neglecta 358 23.20 367 Bullock's Oriole Icterus bullockii 289 18.73 368 Red-winged Blackbird Agelaius phoeniceus 739 47.89 369 Brown-headed Cowbird Molothrus ater 553 35.84 370 Brewer's Blackbird Euphagus cyanocephalus 460 29.81 371 Orange-crowned Warbler Leiothlypis celata 415 26.90 372 Common Yellowthroat Geothlypis trichas 646 41.87 373 American Yellow Warbler Setophaga aestiva 594 38.50 374 Audubon's Warbler Setophaga auduboni 279 18.08 375 Black-throated Grey Warbler Setophaga nigrescens 295 19.12 376 Townsend's Warbler Setophaga townsendi 365 23.66 377 Wilson's Warbler Cardellina pusilla 536 34.74 378 Western Tanager Piranga ludoviciana 375 24.30 379 Rose-breasted Grosbeak Pheucticus ludovicianus 550 35.64 380 Black-headed Grosbeak Pheucticus melanocephalus 328 21.26 381 Lazuli Bunting Passerina amoena 259 16.79