Bennet Porter: World Life List Clements, All records: Top Blockers Record(s) 1 to 377 of 377 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Black-bellied Whistling-Duck Dendrocygna autumnalis 222 44.94 2 Snow Goose Anser caerulescens 291 58.91 3 Greater White-fronted Goose Anser albifrons 351 71.05 4 Pink-footed Goose Anser brachyrhynchus 330 66.80 5 Brant Branta bernicla 363 73.48 6 Cackling Goose Branta hutchinsii 164 33.20 7 Canada Goose Branta canadensis 402 81.38 8 Mute Swan Cygnus olor 398 80.57 9 Tundra Swan Cygnus columbianus 349 70.65 10 Muscovy Duck Cairina moschata 189 38.26 11 Wood Duck Aix sponsa 248 50.20 12 Blue-winged Teal Spatula discors 299 60.53 13 Northern Shoveler Spatula clypeata 400 80.97 14 Gadwall Mareca strepera 390 78.95 15 Eurasian Wigeon Mareca penelope 385 77.94 16 American Wigeon Mareca americana 312 63.16 17 Mallard Anas platyrhynchos 210 42.51 18 American Black Duck Anas rubripes 243 49.19 19 Mottled Duck Anas fulvigula 150 30.36 20 Northern Pintail Anas acuta 386 78.14 21 Green-winged Teal Anas crecca 329 66.60 22 Canvasback Aythya valisineria 216 43.72 23 Redhead Aythya americana 209 42.31 24 Ring-necked Duck Aythya collaris 328 66.40 25 Tufted Duck Aythya fuligula 368 74.49 26 Greater Scaup Aythya marila 354 71.66 27 Lesser Scaup Aythya affinis 314 63.56 28 King Eider Somateria spectabilis 230 46.56 29 Common Eider Somateria mollissima 360 72.87 30 Harlequin Duck Histrionicus histrionicus 203 41.09 31 Surf Scoter Melanitta perspicillata 295 59.72 32 White-winged Scoter Melanitta deglandi 108 21.86 33 Black Scoter Melanitta americana 177 35.83 34 Long-tailed Duck Clangula hyemalis 352 71.26 35 Bufflehead Bucephala albeola 267 54.05 36 Common Goldeneye Bucephala clangula 380 76.92 37 Barrow's Goldeneye Bucephala islandica 184 37.25 38 Hooded Merganser Lophodytes cucullatus 237 47.98 39 Common Merganser Mergus merganser 387 78.34 40 Red-breasted Merganser Mergus serrator 374 75.71 41 Ruddy Duck Oxyura jamaicensis 183 37.04 42 Northern Bobwhite Colinus virginianus 132 26.72 43 Wild Turkey Meleagris gallopavo 222 44.94 44 American Flamingo Phoenicopterus ruber 120 24.29 45 Pied-billed Grebe Podilymbus podiceps 317 64.17 46 Horned Grebe Podiceps auritus 341 69.03 47 Red-necked Grebe Podiceps grisegena 333 67.41 48 Eared Grebe Podiceps nigricollis 356 72.06 49 Western Grebe Aechmophorus occidentalis 180 36.44 50 Rock Pigeon Columba livia 376 76.11 51 White-crowned Pigeon Patagioenas leucocephala 130 26.32 52 Band-tailed Pigeon Patagioenas fasciata 193 39.07 53 Eurasian Collared-Dove Streptopelia decaocto 138 27.94 54 Common Ground Dove Columbina passerina 250 50.61 55 Mourning Dove Zenaida macroura 294 59.51 56 Squirrel Cuckoo Piaya cayana 187 37.85 57 Yellow-billed Cuckoo Coccyzus americanus 172 34.82 58 Common Cuckoo Cuculus canorus 323 65.38 59 Chuck-will's-widow Antrostomus carolinensis 73 14.78 60 Eastern Whip-poor-will Antrostomus vociferus 58 11.74 61 Chimney Swift Chaetura pelagica 224 45.34 62 Vaux's Swift Chaetura vauxi 91 18.42 63 Green-breasted Mango Anthracothorax prevostii 115 23.28 64 Ruby-throated Hummingbird Archilochus colubris 214 43.32 65 Anna's Hummingbird Calypte anna 170 34.41 66 Rufous Hummingbird Selasphorus rufus 132 26.72 67 Broad-billed Hummingbird Cynanthus latirostris 47 9.51 68 Cozumel Emerald Cynanthus forficatus 24 4.86 69 Canivet's Emerald Cynanthus canivetii 98 19.84 70 Common Gallinule Gallinula galeata 185 37.45 71 American Coot Fulica americana 284 57.49 72 Purple Gallinule Porphyrio martinica 227 45.95 73 Yellow Rail Coturnicops noveboracensis 40 8.10 74 Limpkin Aramus guarauna 203 41.09 75 Sandhill Crane Antigone canadensis 215 43.52 76 Black-necked Stilt Himantopus mexicanus 233 47.17 77 American Avocet Recurvirostra americana 196 39.68 78 American Oystercatcher Haematopus palliatus 213 43.12 79 Black-bellied Plover Pluvialis squatarola 353 71.46 80 American Golden-Plover Pluvialis dominica 264 53.44 81 Killdeer Charadrius vociferus 280 56.68 82 Semipalmated Plover Charadrius semipalmatus 275 55.67 83 Piping Plover Charadrius melodus 146 29.55 84 Northern Lapwing Vanellus vanellus 345 69.84 85 Siberian Sand-Plover Anarhynchus mongolus 41 8.30 86 Mountain Plover Anarhynchus montanus 59 11.94 87 Northern Jacana Jacana spinosa 173 35.02 88 Upland Sandpiper Bartramia longicauda 171 34.62 89 Whimbrel Numenius phaeopus 341 69.03 90 Marbled Godwit Limosa fedoa 197 39.88 91 Short-billed Dowitcher Limnodromus griseus 250 50.61 92 American Woodcock Scolopax minor 93 18.83 93 Wilson's Snipe Gallinago delicata 211 42.71 94 Wilson's Phalarope Phalaropus tricolor 271 54.86 95 Red-necked Phalarope Phalaropus lobatus 305 61.74 96 Spotted Sandpiper Actitis macularius 308 62.35 97 Solitary Sandpiper Tringa solitaria 242 48.99 98 Wood Sandpiper Tringa glareola 328 66.40 99 Lesser Yellowlegs Tringa flavipes 317 64.17 100 Willet Tringa semipalmata 258 52.23 101 Greater Yellowlegs Tringa melanoleuca 288 58.30 102 Ruddy Turnstone Arenaria interpres 367 74.29 103 Red Knot Calidris canutus 342 69.23 104 Curlew Sandpiper Calidris ferruginea 331 67.00 105 Sanderling Calidris alba 369 74.70 106 Dunlin Calidris alpina 372 75.30 107 Purple Sandpiper Calidris maritima 316 63.97 108 Little Stint Calidris minuta 316 63.97 109 White-rumped Sandpiper Calidris fuscicollis 264 53.44 110 Least Sandpiper Calidris minutilla 275 55.67 111 Pectoral Sandpiper Calidris melanotos 314 63.56 112 Semipalmated Sandpiper Calidris pusilla 264 53.44 113 Parasitic Jaeger Stercorarius parasiticus 319 64.57 114 Pomarine Jaeger Stercorarius pomarinus 279 56.48 115 Tufted Puffin Fratercula cirrhata 80 16.19 116 Atlantic Puffin Fratercula arctica 314 63.56 117 Black Guillemot Cepphus grylle 304 61.54 118 Razorbill Alca torda 334 67.61 119 Dovekie Alle alle 207 41.90 120 Thick-billed Murre Uria lomvia 140 28.34 121 Common Murre Uria aalge 338 68.42 122 Black-legged Kittiwake Rissa tridactyla 344 69.64 123 Ivory Gull Pagophila eburnea 144 29.15 124 Bonaparte's Gull Chroicocephalus philadelphia 277 56.07 125 Black-headed Gull Chroicocephalus ridibundus 366 74.09 126 Laughing Gull Leucophaeus atricilla 299 60.53 127 Ring-billed Gull Larus delawarensis 331 67.00 128 Western Gull Larus occidentalis 161 32.59 129 Herring Gull Larus argentatus 315 63.77 130 Great Black-backed Gull Larus marinus 362 73.28 131 Lesser Black-backed Gull Larus fuscus 334 67.61 132 California Gull Larus californicus 179 36.23 133 Glaucous-winged Gull Larus glaucescens 174 35.22 134 Iceland Gull Larus glaucoides 290 58.70 135 Black Skimmer Rynchops niger 229 46.36 136 Least Tern Sternula antillarum 196 39.68 137 Caspian Tern Hydroprogne caspia 330 66.80 138 Black Tern Chlidonias niger 321 64.98 139 Forster's Tern Sterna forsteri 256 51.82 140 Arctic Tern Sterna paradisaea 334 67.61 141 Common Tern Sterna hirundo 374 75.71 142 Roseate Tern Sterna dougallii 266 53.85 143 Sandwich Tern Thalasseus sandvicensis 336 68.02 144 Royal Tern Thalasseus maximus 127 25.71 145 Red-throated Loon Gavia stellata 347 70.24 146 Pacific Loon Gavia pacifica 203 41.09 147 Common Loon Gavia immer 356 72.06 148 Yellow-billed Loon Gavia adamsii 186 37.65 149 Wilson's Storm-Petrel Oceanites oceanicus 200 40.49 150 Northern Fulmar Fulmarus glacialis 335 67.81 151 Cory's Shearwater Calonectris diomedea 260 52.63 152 Great Shearwater Ardenna gravis 227 45.95 153 Sooty Shearwater Ardenna grisea 289 58.50 154 Manx Shearwater Puffinus puffinus 309 62.55 155 Wood Stork Mycteria americana 242 48.99 156 Magnificent Frigatebird Fregata magnificens 268 54.25 157 Northern Gannet Morus bassanus 355 71.86 158 Brown Booby Sula leucogaster 249 50.40 159 Anhinga Anhinga anhinga 256 51.82 160 Pelagic Cormorant Urile pelagicus 175 35.43 161 Great Cormorant Phalacrocorax carbo 387 78.34 162 Double-crested Cormorant Nannopterum auritum 302 61.13 163 American White Pelican Pelecanus erythrorhynchos 229 46.36 164 Brown Pelican Pelecanus occidentalis 306 61.94 165 Yellow-crowned Night Heron Nyctanassa violacea 253 51.21 166 Black-crowned Night Heron Nycticorax nycticorax 368 74.49 167 Little Blue Heron Egretta caerulea 284 57.49 168 Tricolored Heron Egretta tricolor 262 53.04 169 Reddish Egret Egretta rufescens 213 43.12 170 Snowy Egret Egretta thula 316 63.97 171 Little Egret Egretta garzetta 375 75.91 172 Green Heron Butorides virescens 306 61.94 173 Western Cattle Egret Bubulcus ibis 85 17.21 174 Great Egret Ardea alba 392 79.35 175 Great Blue Heron Ardea herodias 316 63.97 176 White Ibis Eudocimus albus 257 52.02 177 Glossy Ibis Plegadis falcinellus 360 72.87 178 Roseate Spoonbill Platalea ajaja 244 49.39 179 Black Vulture Coragyps atratus 297 60.12 180 Turkey Vulture Cathartes aura 329 66.60 181 Osprey Pandion haliaetus 384 77.73 182 Swallow-tailed Kite Elanoides forficatus 216 43.72 183 Mississippi Kite Ictinia mississippiensis 117 23.68 184 Northern Harrier Circus hudsonius 158 31.98 185 Sharp-shinned Hawk Accipiter striatus 204 41.30 186 Cooper's Hawk Accipiter cooperii 237 47.98 187 Bald Eagle Haliaeetus leucocephalus 246 49.80 188 Red-shouldered Hawk Buteo lineatus 213 43.12 189 Broad-winged Hawk Buteo platypterus 223 45.14 190 Short-tailed Hawk Buteo brachyurus 160 32.39 191 Red-tailed Hawk Buteo jamaicensis 293 59.31 192 Rough-legged Hawk Buteo lagopus 287 58.10 193 Eastern Screech-Owl Megascops asio 101 20.45 194 Snowy Owl Bubo scandiacus 200 40.49 195 Great Horned Owl Bubo virginianus 80 16.19 196 Barred Owl Strix varia 63 12.75 197 Ringed Kingfisher Megaceryle torquata 206 41.70 198 Belted Kingfisher Megaceryle alcyon 274 55.47 199 Green Kingfisher Chloroceryle americana 194 39.27 200 Yellow-bellied Sapsucker Sphyrapicus varius 186 37.65 201 Red-headed Woodpecker Melanerpes erythrocephalus 154 31.17 202 Golden-fronted Woodpecker Melanerpes aurifrons 137 27.73 203 Red-bellied Woodpecker Melanerpes carolinus 212 42.91 204 Downy Woodpecker Dryobates pubescens 239 48.38 205 Hairy Woodpecker Dryobates villosus 232 46.96 206 Pileated Woodpecker Dryocopus pileatus 190 38.46 207 Northern Flicker Colaptes auratus 249 50.40 208 American Kestrel Falco sparverius 287 58.10 209 Merlin Falco columbarius 352 71.26 210 Peregrine Falcon Falco peregrinus 384 77.73 211 Monk Parakeet Myiopsitta monachus 190 38.46 212 Nanday Parakeet Aratinga nenday 62 12.55 213 Masked Tityra Tityra semifasciata 166 33.60 214 Olive-sided Flycatcher Contopus cooperi 161 32.59 215 Western Wood-Pewee Contopus sordidulus 157 31.78 216 Eastern Wood-Pewee Contopus virens 186 37.65 217 Yellow-bellied Flycatcher Empidonax flaviventris 125 25.30 218 Acadian Flycatcher Empidonax virescens 122 24.70 219 Willow Flycatcher Empidonax traillii 132 26.72 220 Least Flycatcher Empidonax minimus 151 30.57 221 Hammond's Flycatcher Empidonax hammondii 106 21.46 222 Eastern Phoebe Sayornis phoebe 184 37.25 223 Vermilion Flycatcher Pyrocephalus rubinus 86 17.41 224 Ash-throated Flycatcher Myiarchus cinerascens 125 25.30 225 Great Crested Flycatcher Myiarchus crinitus 190 38.46 226 Brown-crested Flycatcher Myiarchus tyrannulus 173 35.02 227 Boat-billed Flycatcher Megarynchus pitangua 169 34.21 228 Social Flycatcher Myiozetetes similis 189 38.26 229 Western Kingbird Tyrannus verticalis 174 35.22 230 Eastern Kingbird Tyrannus tyrannus 219 44.33 231 Gray Kingbird Tyrannus dominicensis 157 31.78 232 Fork-tailed Flycatcher Tyrannus savana 140 28.34 233 White-eyed Vireo Vireo griseus 181 36.64 234 Bell's Vireo Vireo bellii 109 22.06 235 Blue-headed Vireo Vireo solitarius 155 31.38 236 Warbling Vireo Vireo gilvus 170 34.41 237 Red-eyed Vireo Vireo olivaceus 147 29.76 238 Yucatan Vireo Vireo magister 56 11.34 239 Loggerhead Shrike Lanius ludovicianus 202 40.89 240 Northern Shrike Lanius borealis 53 10.73 241 Canada Jay Perisoreus canadensis 136 27.53 242 Steller's Jay Cyanocitta stelleri 195 39.47 243 Blue Jay Cyanocitta cristata 247 50.00 244 California Scrub-Jay Aphelocoma californica 99 20.04 245 Black-billed Magpie Pica hudsonia 153 30.97 246 Clark's Nutcracker Nucifraga columbiana 134 27.13 247 American Crow Corvus brachyrhynchos 260 52.63 248 Fish Crow Corvus ossifragus 169 34.21 249 Common Raven Corvus corax 356 72.06 250 Carolina Chickadee Poecile carolinensis 157 31.78 251 Black-capped Chickadee Poecile atricapillus 209 42.31 252 Mountain Chickadee Poecile gambeli 152 30.77 253 Chestnut-backed Chickadee Poecile rufescens 138 27.94 254 Boreal Chickadee Poecile hudsonicus 78 15.79 255 Tufted Titmouse Baeolophus bicolor 199 40.28 256 Horned Lark Eremophila alpestris 303 61.34 257 Bank Swallow Riparia riparia 343 69.43 258 Tree Swallow Tachycineta bicolor 234 47.37 259 Mangrove Swallow Tachycineta albilinea 154 31.17 260 Violet-green Swallow Tachycineta thalassina 163 33.00 261 Purple Martin Progne subis 208 42.11 262 Northern Rough-winged Swallow Stelgidopteryx serripennis 230 46.56 263 Barn Swallow Hirundo rustica 374 75.71 264 Cliff Swallow Petrochelidon pyrrhonota 227 45.95 265 Bushtit Psaltriparus minimus 170 34.41 266 Ruby-crowned Kinglet Corthylio calendula 200 40.49 267 Golden-crowned Kinglet Regulus satrapa 176 35.63 268 White-breasted Nuthatch Sitta carolinensis 207 41.90 269 Red-breasted Nuthatch Sitta canadensis 207 41.90 270 Brown Creeper Certhia americana 196 39.68 271 Blue-Gray Gnatcatcher Polioptila caerulea 219 44.33 272 House Wren Troglodytes aedon 185 37.45 273 Winter Wren Troglodytes hiemalis 116 23.48 274 Sedge Wren Cistothorus stellaris 52 10.53 275 Marsh Wren Cistothorus palustris 178 36.03 276 Carolina Wren Thryothorus ludovicianus 191 38.66 277 Bewick's Wren Thryomanes bewickii 157 31.78 278 American Dipper Cinclus mexicanus 156 31.58 279 European Starling Sturnus vulgaris 371 75.10 280 Gray Catbird Dumetella carolinensis 236 47.77 281 Brown Thrasher Toxostoma rufum 185 37.45 282 Tropical Mockingbird Mimus gilvus 173 35.02 283 Northern Mockingbird Mimus polyglottos 262 53.04 284 Eastern Bluebird Sialia sialis 202 40.89 285 Mountain Bluebird Sialia currucoides 128 25.91 286 Townsend's Solitaire Myadestes townsendi 119 24.09 287 Veery Catharus fuscescens 154 31.17 288 Swainson's Thrush Catharus ustulatus 219 44.33 289 Hermit Thrush Catharus guttatus 198 40.08 290 Wood Thrush Hylocichla mustelina 166 33.60 291 American Robin Turdus migratorius 280 56.68 292 Bohemian Waxwing Bombycilla garrulus 311 62.96 293 Cedar Waxwing Bombycilla cedrorum 234 47.37 294 House Sparrow Passer domesticus 378 76.52 295 American Pipit Anthus rubescens 201 40.69 296 Evening Grosbeak Coccothraustes vespertinus 122 24.70 297 House Finch Haemorhous mexicanus 232 46.96 298 Purple Finch Haemorhous purpureus 159 32.19 299 Common Redpoll Acanthis flammea 233 47.17 300 Red Crossbill Loxia curvirostra 197 39.88 301 White-winged Crossbill Loxia leucoptera 197 39.88 302 Pine Siskin Spinus pinus 177 35.83 303 American Goldfinch Spinus tristis 220 44.53 304 Snow Bunting Plectrophenax nivalis 308 62.35 305 Grasshopper Sparrow Ammodramus savannarum 118 23.89 306 Chipping Sparrow Spizella passerina 219 44.33 307 Clay-colored Sparrow Spizella pallida 105 21.26 308 Field Sparrow Spizella pusilla 134 27.13 309 Lark Sparrow Chondestes grammacus 157 31.78 310 Lark Bunting Calamospiza melanocorys 83 16.80 311 American Tree Sparrow Spizelloides arborea 102 20.65 312 Fox Sparrow Passerella iliaca 153 30.97 313 Dark-eyed Junco Junco hyemalis 191 38.66 314 White-crowned Sparrow Zonotrichia leucophrys 248 50.20 315 Harris's Sparrow Zonotrichia querula 68 13.77 316 White-throated Sparrow Zonotrichia albicollis 233 47.17 317 Vesper Sparrow Pooecetes gramineus 132 26.72 318 LeConte's Sparrow Ammospiza leconteii 51 10.32 319 Seaside Sparrow Ammospiza maritima 95 19.23 320 Saltmarsh Sparrow Ammospiza caudacuta 45 9.11 321 Savannah Sparrow Passerculus sandwichensis 202 40.89 322 Song Sparrow Melospiza melodia 235 47.57 323 Lincoln's Sparrow Melospiza lincolnii 164 33.20 324 Swamp Sparrow Melospiza georgiana 147 29.76 325 Spotted Towhee Pipilo maculatus 161 32.59 326 Eastern Towhee Pipilo erythrophthalmus 171 34.62 327 Yellow-breasted Chat Icteria virens 135 27.33 328 Bobolink Dolichonyx oryzivorus 160 32.39 329 Eastern Meadowlark Sturnella magna 94 19.03 330 Orchard Oriole Icterus spurius 159 32.19 331 Bullock's Oriole Icterus bullockii 128 25.91 332 Baltimore Oriole Icterus galbula 235 47.57 333 Red-winged Blackbird Agelaius phoeniceus 271 54.86 334 Brown-headed Cowbird Molothrus ater 217 43.93 335 Rusty Blackbird Euphagus carolinus 104 21.05 336 Common Grackle Quiscalus quiscula 244 49.39 337 Boat-tailed Grackle Quiscalus major 193 39.07 338 Great-tailed Grackle Quiscalus mexicanus 239 48.38 339 Ovenbird Seiurus aurocapilla 194 39.27 340 Worm-eating Warbler Helmitheros vermivorum 137 27.73 341 Northern Waterthrush Parkesia noveboracensis 227 45.95 342 Blue-winged Warbler Vermivora cyanoptera 131 26.52 343 Black-and-white Warbler Mniotilta varia 241 48.79 344 Prothonotary Warbler Protonotaria citrea 164 33.20 345 Orange-crowned Warbler Leiothlypis celata 172 34.82 346 Nashville Warbler Leiothlypis ruficapilla 161 32.59 347 Virginia's Warbler Leiothlypis virginiae 68 13.77 348 Kentucky Warbler Geothlypis formosa 121 24.49 349 Common Yellowthroat Geothlypis trichas 258 52.23 350 Hooded Warbler Setophaga citrina 144 29.15 351 American Redstart Setophaga ruticilla 232 46.96 352 Northern Parula Setophaga americana 211 42.71 353 Magnolia Warbler Setophaga magnolia 193 39.07 354 Bay-breasted Warbler Setophaga castanea 135 27.33 355 Blackburnian Warbler Setophaga fusca 183 37.04 356 Yellow Warbler Setophaga petechia 238 48.18 357 Chestnut-sided Warbler Setophaga pensylvanica 184 37.25 358 Blackpoll Warbler Setophaga striata 185 37.45 359 Black-throated Blue Warbler Setophaga caerulescens 164 33.20 360 Palm Warbler Setophaga palmarum 179 36.23 361 Pine Warbler Setophaga pinus 175 35.43 362 Yellow-rumped Warbler Setophaga coronata 233 47.17 363 Yellow-throated Warbler Setophaga dominica 158 31.98 364 Prairie Warbler Setophaga discolor 163 33.00 365 Black-throated Gray Warbler Setophaga nigrescens 133 26.92 366 Townsend's Warbler Setophaga townsendi 143 28.95 367 Black-throated Green Warbler Setophaga virens 188 38.06 368 Scarlet Tanager Piranga olivacea 182 36.84 369 Western Tanager Piranga ludoviciana 162 32.79 370 Northern Cardinal Cardinalis cardinalis 250 50.61 371 Rose-breasted Grosbeak Pheucticus ludovicianus 210 42.51 372 Black-headed Grosbeak Pheucticus melanocephalus 135 27.33 373 Blue Grosbeak Passerina caerulea 167 33.81 374 Lazuli Bunting Passerina amoena 120 24.29 375 Indigo Bunting Passerina cyanea 202 40.89 376 Morelet's Seedeater Sporophila morelleti 74 14.98 377 Bananaquit Coereba flaveola 205 41.50