Helen Croft: World Life List IOC, All records: Top Blockers Record(s) 1 to 378 of 378 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Brent Goose Branta bernicla 1163 75.23 2 Canada Goose Branta canadensis 1234 79.82 3 Barnacle Goose Branta leucopsis 1150 74.39 4 Ross's Goose Anser rossii 431 27.88 5 Snow Goose Anser caerulescens 750 48.51 6 Greylag Goose Anser anser 1245 80.53 7 Pink-footed Goose Anser brachyrhynchus 1104 71.41 8 Tundra Bean Goose Anser serrirostris 841 54.40 9 Mute Swan Cygnus olor 1270 82.15 10 Tundra Swan Cygnus columbianus 1033 66.82 11 Whooper Swan Cygnus cygnus 1156 74.77 12 Egyptian Goose Alopochen aegyptiaca 1131 73.16 13 Common Shelduck Tadorna tadorna 1234 79.82 14 Ruddy Shelduck Tadorna ferruginea 871 56.34 15 Wood Duck Aix sponsa 634 41.01 16 Mandarin Duck Aix galericulata 1013 65.52 17 Garganey Spatula querquedula 1146 74.13 18 Blue-winged Teal Spatula discors 851 55.05 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 Marbled Duck Marmaronetta angustirostris 595 38.49 27 Red-crested Pochard Netta rufina 1087 70.31 28 Common Pochard Aythya ferina 1219 78.85 29 Ferruginous Duck Aythya nyroca 937 60.61 30 Ring-necked Duck Aythya collaris 1003 64.88 31 Tufted Duck Aythya fuligula 1239 80.14 32 Greater Scaup Aythya marila 1116 72.19 33 Lesser Scaup Aythya affinis 878 56.79 34 Common Eider Somateria mollissima 1167 75.49 35 Surf Scoter Melanitta perspicillata 856 55.37 36 Velvet Scoter Melanitta fusca 974 63.00 37 Common Scoter Melanitta nigra 1085 70.18 38 Long-tailed Duck Clangula hyemalis 1102 71.28 39 Bufflehead Bucephala albeola 685 44.31 40 Common Goldeneye Bucephala clangula 1198 77.49 41 Smew Mergellus albellus 1034 66.88 42 Hooded Merganser Lophodytes cucullatus 621 40.17 43 Common Merganser Mergus merganser 1187 76.78 44 Red-breasted Merganser Mergus serrator 1179 76.26 45 Ruddy Duck Oxyura jamaicensis 940 60.80 46 White-headed Duck Oxyura leucocephala 589 38.10 47 Wild Turkey Meleagris gallopavo 554 35.83 48 Willow Ptarmigan Lagopus lagopus 932 60.28 49 Black Grouse Lyrurus tetrix 890 57.57 50 Grey Partridge Perdix perdix 1067 69.02 51 Common Pheasant Phasianus colchicus 1154 74.64 52 Common Quail Coturnix coturnix 885 57.24 53 Red-legged Partridge Alectoris rufa 1093 70.70 54 European Nightjar Caprimulgus europaeus 1003 64.88 55 Chimney Swift Chaetura pelagica 554 35.83 56 Common Swift Apus apus 1173 75.87 57 Plain Swift Apus unicolor 511 33.05 58 Pallid Swift Apus pallidus 860 55.63 59 Black-chinned Hummingbird Archilochus alexandri 334 21.60 60 Common Cuckoo Cuculus canorus 1121 72.51 61 Rock Dove Columba livia 1214 78.53 62 Stock Dove Columba oenas 1129 73.03 63 Common Wood Pigeon Columba palumbus 1194 77.23 64 European Turtle Dove Streptopelia turtur 1042 67.40 65 Eurasian Collared Dove Streptopelia decaocto 813 52.59 66 Laughing Dove Spilopelia senegalensis 873 56.47 67 Mourning Dove Zenaida macroura 754 48.77 68 White-winged Dove Zenaida asiatica 611 39.52 69 Water Rail Rallus aquaticus 1071 69.28 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 Common Crane Grus grus 1069 69.15 74 Little Grebe Tachybaptus ruficollis 1144 74.00 75 Pied-billed Grebe Podilymbus podiceps 855 55.30 76 Red-necked Grebe Podiceps grisegena 1002 64.81 77 Great Crested Grebe Podiceps cristatus 1226 79.30 78 Horned Grebe Podiceps auritus 1051 67.98 79 Black-necked Grebe Podiceps nigricollis 1116 72.19 80 Greater Flamingo Phoenicopterus roseus 986 63.78 81 Eurasian Stone-curlew Burhinus oedicnemus 947 61.25 82 Eurasian Oystercatcher Haematopus ostralegus 1206 78.01 83 Black-winged Stilt Himantopus himantopus 1102 71.28 84 Pied Avocet Recurvirostra avosetta 1163 75.23 85 Grey Plover Pluvialis squatarola 1167 75.49 86 European Golden Plover Pluvialis apricaria 1136 73.48 87 Pacific Golden Plover Pluvialis fulva 784 50.71 88 American Golden Plover Pluvialis dominica 745 48.19 89 Killdeer Charadrius vociferus 736 47.61 90 Common Ringed Plover Charadrius hiaticula 1169 75.61 91 Little Ringed Plover Charadrius dubius 1147 74.19 92 Northern Lapwing Vanellus vanellus 1203 77.81 93 White-tailed Lapwing Vanellus leucurus 627 40.56 94 Greater Sand Plover Anarhynchus leschenaultii 707 45.73 95 Eurasian Whimbrel Numenius phaeopus 865 55.95 96 Eurasian Curlew Numenius arquata 1197 77.43 97 Bar-tailed Godwit Limosa lapponica 1139 73.67 98 Black-tailed Godwit Limosa limosa 1194 77.23 99 Hudsonian Godwit Limosa haemastica 412 26.65 100 Long-billed Dowitcher Limnodromus scolopaceus 890 57.57 101 Jack Snipe Lymnocryptes minimus 992 64.17 102 Eurasian Woodcock Scolopax rusticola 1052 68.05 103 Common Snipe Gallinago gallinago 1180 76.33 104 Wilson's Snipe Gallinago delicata 509 32.92 105 Red Phalarope Phalaropus fulicarius 904 58.47 106 Red-necked Phalarope Phalaropus lobatus 979 63.32 107 Common Sandpiper Actitis hypoleucos 1191 77.04 108 Spotted Sandpiper Actitis macularius 904 58.47 109 Green Sandpiper Tringa ochropus 1128 72.96 110 Wood Sandpiper Tringa glareola 1105 71.47 111 Common Redshank Tringa totanus 1206 78.01 112 Lesser Yellowlegs Tringa flavipes 965 62.42 113 Spotted Redshank Tringa erythropus 1108 71.67 114 Common Greenshank Tringa nebularia 1171 75.74 115 Greater Yellowlegs Tringa melanoleuca 775 50.13 116 Ruddy Turnstone Arenaria interpres 1212 78.40 117 Red Knot Calidris canutus 1125 72.77 118 Ruff Calidris pugnax 1168 75.55 119 Curlew Sandpiper Calidris ferruginea 1083 70.05 120 Long-toed Stint Calidris subminuta 462 29.88 121 Red-necked Stint Calidris ruficollis 548 35.45 122 Sanderling Calidris alba 1195 77.30 123 Dunlin Calidris alpina 1204 77.88 124 Purple Sandpiper Calidris maritima 1050 67.92 125 Baird's Sandpiper Calidris bairdii 697 45.08 126 Little Stint Calidris minuta 1087 70.31 127 Least Sandpiper Calidris minutilla 726 46.96 128 Pectoral Sandpiper Calidris melanotos 977 63.20 129 Little Tern Sternula albifrons 1065 68.89 130 Black Tern Chlidonias niger 1003 64.88 131 White-winged Tern Chlidonias leucopterus 900 58.21 132 Forster's Tern Sterna forsteri 645 41.72 133 Arctic Tern Sterna paradisaea 1076 69.60 134 Common Tern Sterna hirundo 1205 77.94 135 Roseate Tern Sterna dougallii 829 53.62 136 Sandwich Tern Thalasseus sandvicensis 1103 71.35 137 Little Gull Hydrocoloeus minutus 1058 68.43 138 Black-legged Kittiwake Rissa tridactyla 1126 72.83 139 Slender-billed Gull Chroicocephalus genei 787 50.91 140 Black-headed Gull Chroicocephalus ridibundus 1221 78.98 141 Mediterranean Gull Ichthyaetus melanocephalus 1086 70.25 142 Common Gull Larus canus 780 50.45 143 Ring-billed Gull Larus delawarensis 918 59.38 144 Caspian Gull Larus cachinnans 888 57.44 145 European Herring Gull Larus argentatus 1176 76.07 146 Yellow-legged Gull Larus michahellis 1071 69.28 147 Great Black-backed Gull Larus marinus 1185 76.65 148 Glaucous Gull Larus hyperboreus 971 62.81 149 Lesser Black-backed Gull Larus fuscus 1184 76.58 150 Long-tailed Skua Stercorarius longicaudus 775 50.13 151 Arctic Skua Stercorarius parasiticus 1045 67.59 152 Great Skua Stercorarius skua 1007 65.14 153 Atlantic Puffin Fratercula arctica 1068 69.08 154 Black Guillemot Cepphus grylle 1029 66.56 155 Razorbill Alca torda 1122 72.57 156 Little Auk Alle alle 738 47.74 157 Common Murre Uria aalge 1116 72.19 158 Red-throated Diver Gavia stellata 1106 71.54 159 Black-throated Diver Gavia arctica 1026 66.36 160 Great Northern Diver Gavia immer 1110 71.80 161 Black-browed Albatross Thalassarche melanophris 604 39.07 162 European Storm Petrel Hydrobates pelagicus 834 53.95 163 Northern Fulmar Fulmarus glacialis 1129 73.03 164 Zino's Petrel Pterodroma madeira 116 7.50 165 Fea's Petrel Pterodroma feae 129 8.34 166 Cory's Shearwater Calonectris borealis 764 49.42 167 Sooty Shearwater Ardenna grisea 909 58.80 168 Manx Shearwater Puffinus puffinus 1015 65.65 169 Balearic Shearwater Puffinus mauretanicus 759 49.09 170 Barolo Shearwater Puffinus baroli 189 12.23 171 Bulwer's Petrel Bulweria bulwerii 271 17.53 172 Northern Gannet Morus bassanus 1178 76.20 173 Great Cormorant Phalacrocorax carbo 1172 75.81 174 European Shag Gulosus aristotelis 1141 73.80 175 Neotropic Cormorant Nannopterum brasilianum 644 41.66 176 Double-crested Cormorant Nannopterum auritum 765 49.48 177 Glossy Ibis Plegadis falcinellus 1153 74.58 178 Eurasian Spoonbill Platalea leucorodia 1158 74.90 179 Eurasian Bittern Botaurus stellaris 1062 68.69 180 Little Blue Heron Egretta caerulea 737 47.67 181 Snowy Egret Egretta thula 818 52.91 182 Little Egret Egretta garzetta 1168 75.55 183 Western Cattle Egret Bubulcus ibis 1121 72.51 184 Great Egret Ardea alba 1213 78.46 185 Grey Heron Ardea cinerea 1248 80.72 186 Great Blue Heron Ardea herodias 838 54.20 187 American White Pelican Pelecanus erythrorhynchos 560 36.22 188 Black Vulture Coragyps atratus 815 52.72 189 Turkey Vulture Cathartes aura 882 57.05 190 Osprey Pandion haliaetus 1145 74.06 191 Booted Eagle Hieraaetus pennatus 919 59.44 192 Golden Eagle Aquila chrysaetos 1051 67.98 193 Eurasian Sparrowhawk Accipiter nisus 1186 76.71 194 Sharp-shinned Hawk Accipiter striatus 516 33.38 195 Cooper's Hawk Accipiter cooperii 567 36.68 196 Northern (American/Eurasian) Goshawk Accipiter gentilis/atricapillus 487 31.50 197 Western Marsh Harrier Circus aeruginosus 1173 75.87 198 Hen Harrier Circus cyaneus 1088 70.38 199 Northern Harrier Circus hudsonius 601 38.87 200 Red Kite Milvus milvus 1168 75.55 201 White-tailed Eagle Haliaeetus albicilla 996 64.42 202 Bald Eagle Haliaeetus leucocephalus 652 42.17 203 Red-shouldered Hawk Buteo lineatus 504 32.60 204 Swainson's Hawk Buteo swainsoni 417 26.97 205 Red-tailed Hawk Buteo jamaicensis 766 49.55 206 Common Buzzard Buteo buteo 1132 73.22 207 Western Barn Owl Tyto alba 925 59.83 208 Little Owl Athene noctua 1071 69.28 209 Long-eared Owl Asio otus 988 63.91 210 Short-eared Owl Asio flammeus 1113 71.99 211 Tawny Owl Strix aluco 808 52.26 212 Eurasian Hoopoe Upupa epops 1036 67.01 213 Common Kingfisher Alcedo atthis 1183 76.52 214 Red-bellied Woodpecker Melanerpes carolinus 521 33.70 215 Yellow-bellied Sapsucker Sphyrapicus varius 468 30.27 216 Downy Woodpecker Dryobates pubescens 613 39.65 217 Lesser Spotted Woodpecker Dryobates minor 927 59.96 218 Hairy Woodpecker Leuconotopicus villosus 598 38.68 219 Great Spotted Woodpecker Dendrocopos major 1144 74.00 220 European Green Woodpecker Picus viridis 987 63.84 221 Common Kestrel Falco tinnunculus 1140 73.74 222 American Kestrel Falco sparverius 757 48.97 223 Merlin Falco columbarius 1105 71.47 224 Eurasian Hobby Falco subbuteo 1106 71.54 225 Peregrine Falcon Falco peregrinus 1206 78.01 226 Monk Parakeet Myiopsitta monachus 551 35.64 227 Rose-ringed Parakeet Psittacula krameri 1063 68.76 228 Eastern Phoebe Sayornis phoebe 434 28.07 229 Scissor-tailed Flycatcher Tyrannus forficatus 342 22.12 230 White-eyed Vireo Vireo griseus 415 26.84 231 Loggerhead Shrike Lanius ludovicianus 467 30.21 232 Brown Shrike Lanius cristatus 715 46.25 233 Blue Jay Cyanocitta cristata 640 41.40 234 Eurasian Jay Garrulus glandarius 1151 74.45 235 Eurasian Magpie Pica pica 1086 70.25 236 Red-billed Chough Pyrrhocorax pyrrhocorax 990 64.04 237 Western Jackdaw Coloeus monedula 1148 74.26 238 Rook Corvus frugilegus 1128 72.96 239 American Crow Corvus brachyrhynchos 688 44.50 240 Fish Crow Corvus ossifragus 370 23.93 241 Carrion Crow Corvus corone 1124 72.70 242 Hooded Crow Corvus cornix 1041 67.34 243 Northern Raven Corvus corax 1158 74.90 244 Bohemian Waxwing Bombycilla garrulus 1012 65.46 245 Cedar Waxwing Bombycilla cedrorum 593 38.36 246 Coal Tit Periparus ater 1069 69.15 247 Crested Tit Lophophanes cristatus 954 61.71 248 Tufted Titmouse Baeolophus bicolor 467 30.21 249 Carolina Chickadee Poecile carolinensis 322 20.83 250 Marsh Tit Poecile palustris 935 60.48 251 Willow Tit Poecile montanus 960 62.10 252 Eurasian Blue Tit Cyanistes caeruleus 1120 72.45 253 Great Tit Parus major 1093 70.70 254 Eurasian Penduline Tit Remiz pendulinus 765 49.48 255 Bearded Reedling Panurus biarmicus 995 64.36 256 Woodlark Lullula arborea 935 60.48 257 Eurasian Skylark Alauda arvensis 1134 73.35 258 Crested Lark Galerida cristata 876 56.66 259 Horned Lark Eremophila alpestris 921 59.57 260 Sand Martin Riparia riparia 1140 73.74 261 Purple Martin Progne subis 510 32.99 262 Northern Rough-winged Swallow Stelgidopteryx serripennis 616 39.84 263 Eurasian Crag Martin Ptyonoprogne rupestris 910 58.86 264 Barn Swallow Hirundo rustica 1210 78.27 265 Western House Martin Delichon urbicum 777 50.26 266 American Cliff Swallow Petrochelidon pyrrhonota 587 37.97 267 Cetti's Warbler Cettia cetti 1034 66.88 268 Long-tailed Tit Aegithalos caudatus 1044 67.53 269 Wood Warbler Phylloscopus sibilatrix 963 62.29 270 Yellow-browed Warbler Phylloscopus inornatus 930 60.16 271 Dusky Warbler Phylloscopus fuscatus 723 46.77 272 Willow Warbler Phylloscopus trochilus 1102 71.28 273 Common Chiffchaff Phylloscopus collybita 1069 69.15 274 Greenish Warbler Phylloscopus trochiloides 629 40.69 275 Great Reed Warbler Acrocephalus arundinaceus 861 55.69 276 Sedge Warbler Acrocephalus schoenobaenus 1080 69.86 277 Blyth's Reed Warbler Acrocephalus dumetorum 655 42.37 278 Common Reed Warbler Acrocephalus scirpaceus 1086 70.25 279 Common Grasshopper Warbler Locustella naevia 952 61.58 280 Zitting Cisticola Cisticola juncidis 911 58.93 281 Eurasian Blackcap Sylvia atricapilla 1124 72.70 282 Garden Warbler Sylvia borin 1028 66.49 283 Lesser Whitethroat Curruca curruca 974 63.00 284 Sardinian Warbler Curruca melanocephala 921 59.57 285 Common Whitethroat Curruca communis 1096 70.89 286 Dartford Warbler Curruca undata 910 58.86 287 Ruby-crowned Kinglet Corthylio calendula 503 32.54 288 Common Firecrest Regulus ignicapilla 967 62.55 289 Madeira Firecrest Regulus madeirensis 215 13.91 290 Golden-crowned Kinglet Regulus satrapa 417 26.97 291 Goldcrest Regulus regulus 1096 70.89 292 Marsh Wren Cistothorus palustris 400 25.87 293 Bewick's Wren Thryomanes bewickii 393 25.42 294 Carolina Wren Thryothorus ludovicianus 462 29.88 295 Eurasian Wren Troglodytes troglodytes 1050 67.92 296 House Wren Troglodytes aedon 677 43.79 297 Blue-grey Gnatcatcher Polioptila caerulea 537 34.73 298 Eurasian Nuthatch Sitta europaea 1031 66.69 299 Eurasian Treecreeper Certhia familiaris 1024 66.24 300 Northern Mockingbird Mimus polyglottos 693 44.83 301 Brown Thrasher Toxostoma rufum 434 28.07 302 Rosy Starling Pastor roseus 831 53.75 303 Common Starling Sturnus vulgaris 1200 77.62 304 Spotless Starling Sturnus unicolor 796 51.49 305 Eastern Bluebird Sialia sialis 464 30.01 306 Song Thrush Turdus philomelos 1146 74.13 307 Mistle Thrush Turdus viscivorus 1117 72.25 308 Redwing Turdus iliacus 1112 71.93 309 Common Blackbird Turdus merula 1012 65.46 310 Fieldfare Turdus pilaris 1107 71.60 311 Ring Ouzel Turdus torquatus 983 63.58 312 American Robin Turdus migratorius 800 51.75 313 European Robin Erithacus rubecula 1063 68.76 314 Common Nightingale Luscinia megarhynchos 958 61.97 315 Bluethroat Luscinia svecica 889 57.50 316 European Pied Flycatcher Ficedula hypoleuca 988 63.91 317 Red-flanked Bluetail Tarsiger cyanurus 669 43.27 318 Black Redstart Phoenicurus ochruros 1085 70.18 319 Common Redstart Phoenicurus phoenicurus 1063 68.76 320 Whinchat Saxicola rubetra 1045 67.59 321 European Stonechat Saxicola rubicola 1080 69.86 322 Northern Wheatear Oenanthe oenanthe 766 49.55 323 Desert Wheatear Oenanthe deserti 736 47.61 324 White-throated Dipper Cinclus cinclus 1050 67.92 325 Eurasian Tree Sparrow Passer montanus 1119 72.38 326 Spanish Sparrow Passer hispaniolensis 873 56.47 327 House Sparrow Passer domesticus 1224 79.17 328 Black-headed Weaver Ploceus melanocephalus 375 24.26 329 Dunnock Prunella modularis 1130 73.09 330 Western Yellow Wagtail Motacilla flava 1032 66.75 331 Grey Wagtail Motacilla cinerea 1152 74.51 332 White Wagtail Motacilla alba 1102 71.28 333 Meadow Pipit Anthus pratensis 1115 72.12 334 Tree Pipit Anthus trivialis 1026 66.36 335 Buff-bellied Pipit Anthus rubescens 557 36.03 336 Water Pipit Anthus spinoletta 965 62.42 337 European Rock Pipit Anthus petrosus 1039 67.21 338 Berthelot's Pipit Anthus berthelotii 543 35.12 339 Common Chaffinch [group] Fringilla coelebs [group] 519 33.57 340 Brambling Fringilla montifringilla 1049 67.85 341 Hawfinch Coccothraustes coccothraustes 1005 65.01 342 Eurasian Bullfinch Pyrrhula pyrrhula 1096 70.89 343 Common Rosefinch Carpodacus erythrinus 764 49.42 344 House Finch Haemorhous mexicanus 605 39.13 345 European Greenfinch Chloris chloris 1133 73.29 346 Twite Linaria flavirostris 876 56.66 347 Common Linnet Linaria cannabina 1118 72.32 348 Lesser Redpoll Acanthis cabaret 776 50.19 349 European Goldfinch Carduelis carduelis 1162 75.16 350 European Serin Serinus serinus 963 62.29 351 Atlantic Canary Serinus canaria 506 32.73 352 American Goldfinch Spinus tristis 556 35.96 353 Eurasian Siskin Spinus spinus 1095 70.83 354 Snow Bunting Plectrophenax nivalis 1002 64.81 355 Corn Bunting Emberiza calandra 1022 66.11 356 Yellowhammer Emberiza citrinella 1084 70.12 357 Cirl Bunting Emberiza cirlus 897 58.02 358 Common Reed Bunting Emberiza schoeniclus 1106 71.54 359 Lark Sparrow Chondestes grammacus 342 22.12 360 Chipping Sparrow Spizella passerina 525 33.96 361 Clay-colored Sparrow Spizella pallida 240 15.52 362 Field Sparrow Spizella pusilla 303 19.60 363 Dark-eyed Junco Junco hyemalis 678 43.86 364 White-crowned Sparrow Zonotrichia leucophrys 623 40.30 365 Harris's Sparrow Zonotrichia querula 106 6.86 366 White-throated Sparrow Zonotrichia albicollis 585 37.84 367 Savannah Sparrow Passerculus sandwichensis 515 33.31 368 Lincoln's Sparrow Melospiza lincolnii 401 25.94 369 Eastern/Chihuahuan Meadowlark Sturnella magna/lilianae 165 10.67 370 Red-winged Blackbird Agelaius phoeniceus 741 47.93 371 Brown-headed Cowbird Molothrus ater 555 35.90 372 Common Grackle Quiscalus quiscula 624 40.36 373 Great-tailed Grackle Quiscalus mexicanus 608 39.33 374 Louisiana Waterthrush Parkesia motacilla 379 24.51 375 Orange-crowned Warbler Leiothlypis celata 417 26.97 376 Common Yellowthroat Geothlypis trichas 648 41.91 377 Myrtle Warbler Setophaga coronata 583 37.71 378 Northern Cardinal Cardinalis cardinalis 663 42.88