Bennet Porter: North and Middle America Life List AOU, 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 53 48.18 2 Snow Goose Anser caerulescens 51 46.36 3 Greater White-fronted Goose Anser albifrons 29 26.36 4 Pink-footed Goose Anser brachyrhynchus 6 5.45 5 Brant Branta bernicla 48 43.64 6 Cackling Goose Branta hutchinsii 28 25.45 7 Canada Goose Branta canadensis 78 70.91 8 Mute Swan Cygnus olor 55 50.00 9 Tundra Swan Cygnus columbianus 35 31.82 10 Muscovy Duck Cairina moschata 34 30.91 11 Wood Duck Aix sponsa 70 63.64 12 Blue-winged Teal Spatula discors 67 60.91 13 Northern Shoveler Spatula clypeata 72 65.45 14 Gadwall Mareca strepera 61 55.45 15 Eurasian Wigeon Mareca penelope 23 20.91 16 American Wigeon Mareca americana 63 57.27 17 Mallard Anas platyrhynchos 45 40.91 18 American Black Duck Anas rubripes 51 46.36 19 Mottled Duck Anas fulvigula 39 35.45 20 Northern Pintail Anas acuta 60 54.55 21 Green-winged Teal Anas crecca 56 50.91 22 Canvasback Aythya valisineria 53 48.18 23 Redhead Aythya americana 53 48.18 24 Ring-necked Duck Aythya collaris 59 53.64 25 Tufted Duck Aythya fuligula 15 13.64 26 Greater Scaup Aythya marila 41 37.27 27 Lesser Scaup Aythya affinis 59 53.64 28 King Eider Somateria spectabilis 16 14.55 29 Common Eider Somateria mollissima 32 29.09 30 Harlequin Duck Histrionicus histrionicus 40 36.36 31 Surf Scoter Melanitta perspicillata 52 47.27 32 White-winged Scoter Melanitta deglandi 24 21.82 33 Black Scoter Melanitta americana 38 34.55 34 Long-tailed Duck Clangula hyemalis 37 33.64 35 Bufflehead Bucephala albeola 58 52.73 36 Common Goldeneye Bucephala clangula 47 42.73 37 Barrow's Goldeneye Bucephala islandica 30 27.27 38 Hooded Merganser Lophodytes cucullatus 59 53.64 39 Common Merganser Mergus merganser 56 50.91 40 Red-breasted Merganser Mergus serrator 63 57.27 41 Ruddy Duck Oxyura jamaicensis 59 53.64 42 Northern Bobwhite Colinus virginianus 39 35.45 43 Wild Turkey Meleagris gallopavo 58 52.73 44 American Flamingo Phoenicopterus ruber 29 26.36 45 Pied-billed Grebe Podilymbus podiceps 77 70.00 46 Horned Grebe Podiceps auritus 39 35.45 47 Red-necked Grebe Podiceps grisegena 40 36.36 48 Eared Grebe Podiceps nigricollis 48 43.64 49 Western Grebe Aechmophorus occidentalis 49 44.55 50 Rock Pigeon Columba livia 74 67.27 51 White-crowned Pigeon Patagioenas leucocephala 35 31.82 52 Band-tailed Pigeon Patagioenas fasciata 46 41.82 53 Eurasian Collared-Dove Streptopelia decaocto 51 46.36 54 Common Ground Dove Columbina passerina 64 58.18 55 Mourning Dove Zenaida macroura 86 78.18 56 Common Cuckoo Cuculus canorus 3 2.73 57 Squirrel Cuckoo Piaya cayana 39 35.45 58 Yellow-billed Cuckoo Coccyzus americanus 37 33.64 59 Chuck-will's-widow Antrostomus carolinensis 20 18.18 60 Eastern Whip-poor-will Antrostomus vociferus 17 15.45 61 Chimney Swift Chaetura pelagica 65 59.09 62 Vaux's Swift Chaetura vauxi 48 43.64 63 Green-breasted Mango Anthracothorax prevostii 28 25.45 64 Ruby-throated Hummingbird Archilochus colubris 61 55.45 65 Anna's Hummingbird Calypte anna 49 44.55 66 Rufous Hummingbird Selasphorus rufus 47 42.73 67 Broad-billed Hummingbird Cynanthus latirostris 17 15.45 68 Cozumel Emerald Cynanthus forficatus 9 8.18 69 Canivet's Emerald Cynanthus canivetii 22 20.00 70 Common Gallinule Gallinula galeata 49 44.55 71 American Coot Fulica americana 72 65.45 72 Purple Gallinule Porphyrio martinicus 53 48.18 73 Yellow Rail Coturnicops noveboracensis 12 10.91 74 Limpkin Aramus guarauna 46 41.82 75 Sandhill Crane Antigone canadensis 58 52.73 76 Black-necked Stilt Himantopus mexicanus 59 53.64 77 American Avocet Recurvirostra americana 52 47.27 78 American Oystercatcher Haematopus palliatus 53 48.18 79 Northern Lapwing Vanellus vanellus 2 1.82 80 Black-bellied Plover Pluvialis squatarola 69 62.73 81 American Golden-Plover Pluvialis dominica 41 37.27 82 Killdeer Charadrius vociferus 80 72.73 83 Semipalmated Plover Charadrius semipalmatus 62 56.36 84 Piping Plover Charadrius melodus 40 36.36 85 Lesser Sand-Plover Charadrius mongolus 4 3.64 86 Mountain Plover Charadrius montanus 11 10.00 87 Northern Jacana Jacana spinosa 46 41.82 88 Upland Sandpiper Bartramia longicauda 29 26.36 89 Whimbrel Numenius phaeopus 55 50.00 90 Marbled Godwit Limosa fedoa 53 48.18 91 Ruddy Turnstone Arenaria interpres 61 55.45 92 Red Knot Calidris canutus 35 31.82 93 Curlew Sandpiper Calidris ferruginea 8 7.27 94 Sanderling Calidris alba 69 62.73 95 Dunlin Calidris alpina 53 48.18 96 Purple Sandpiper Calidris maritima 17 15.45 97 Little Stint Calidris minuta 6 5.45 98 Least Sandpiper Calidris minutilla 61 55.45 99 White-rumped Sandpiper Calidris fuscicollis 25 22.73 100 Pectoral Sandpiper Calidris melanotos 39 35.45 101 Semipalmated Sandpiper Calidris pusilla 46 41.82 102 Short-billed Dowitcher Limnodromus griseus 59 53.64 103 American Woodcock Scolopax minor 28 25.45 104 Wilson's Snipe Gallinago delicata 48 43.64 105 Spotted Sandpiper Actitis macularius 71 64.55 106 Solitary Sandpiper Tringa solitaria 51 46.36 107 Lesser Yellowlegs Tringa flavipes 62 56.36 108 Willet Tringa semipalmata 67 60.91 109 Greater Yellowlegs Tringa melanoleuca 64 58.18 110 Wood Sandpiper Tringa glareola 4 3.64 111 Wilson's Phalarope Phalaropus tricolor 37 33.64 112 Red-necked Phalarope Phalaropus lobatus 33 30.00 113 Pomarine Jaeger Stercorarius pomarinus 22 20.00 114 Parasitic Jaeger Stercorarius parasiticus 27 24.55 115 Dovekie Alle alle 10 9.09 116 Common Murre Uria aalge 35 31.82 117 Thick-billed Murre Uria lomvia 13 11.82 118 Razorbill Alca torda 19 17.27 119 Black Guillemot Cepphus grylle 23 20.91 120 Atlantic Puffin Fratercula arctica 16 14.55 121 Tufted Puffin Fratercula cirrhata 24 21.82 122 Black-legged Kittiwake Rissa tridactyla 33 30.00 123 Ivory Gull Pagophila eburnea 10 9.09 124 Bonaparte's Gull Chroicocephalus philadelphia 53 48.18 125 Black-headed Gull Chroicocephalus ridibundus 14 12.73 126 Laughing Gull Leucophaeus atricilla 77 70.00 127 Ring-billed Gull Larus delawarensis 78 70.91 128 Western Gull Larus occidentalis 44 40.00 129 California Gull Larus californicus 51 46.36 130 Herring Gull Larus argentatus 73 66.36 131 Iceland Gull Larus glaucoides 22 20.00 132 Lesser Black-backed Gull Larus fuscus 26 23.64 133 Glaucous-winged Gull Larus glaucescens 39 35.45 134 Great Black-backed Gull Larus marinus 46 41.82 135 Least Tern Sternula antillarum 47 42.73 136 Caspian Tern Hydroprogne caspia 63 57.27 137 Black Tern Chlidonias niger 39 35.45 138 Roseate Tern Sterna dougallii 16 14.55 139 Common Tern Sterna hirundo 48 43.64 140 Arctic Tern Sterna paradisaea 27 24.55 141 Forster's Tern Sterna forsteri 58 52.73 142 Royal Tern Thalasseus maximus 70 63.64 143 Sandwich Tern Thalasseus sandvicensis 46 41.82 144 Black Skimmer Rynchops niger 57 51.82 145 Red-throated Loon Gavia stellata 35 31.82 146 Pacific Loon Gavia pacifica 41 37.27 147 Common Loon Gavia immer 59 53.64 148 Yellow-billed Loon Gavia adamsii 18 16.36 149 Wilson's Storm-Petrel Oceanites oceanicus 16 14.55 150 Northern Fulmar Fulmarus glacialis 19 17.27 151 Cory's Shearwater Calonectris diomedea 11 10.00 152 Sooty Shearwater Ardenna grisea 30 27.27 153 Great Shearwater Ardenna gravis 15 13.64 154 Manx Shearwater Puffinus puffinus 12 10.91 155 Wood Stork Mycteria americana 65 59.09 156 Magnificent Frigatebird Fregata magnificens 68 61.82 157 Brown Booby Sula leucogaster 36 32.73 158 Northern Gannet Morus bassanus 36 32.73 159 Anhinga Anhinga anhinga 64 58.18 160 Pelagic Cormorant Urile pelagicus 44 40.00 161 Great Cormorant Phalacrocorax carbo 28 25.45 162 Double-crested Cormorant Nannopterum auritum 80 72.73 163 American White Pelican Pelecanus erythrorhynchos 64 58.18 164 Brown Pelican Pelecanus occidentalis 83 75.45 165 Great Blue Heron Ardea herodias 88 80.00 166 Great Egret Ardea alba 80 72.73 167 Little Egret Egretta garzetta 7 6.36 168 Snowy Egret Egretta thula 80 72.73 169 Little Blue Heron Egretta caerulea 78 70.91 170 Tricolored Heron Egretta tricolor 66 60.00 171 Reddish Egret Egretta rufescens 55 50.00 172 Cattle Egret Bubulcus ibis 72 65.45 173 Green Heron Butorides virescens 76 69.09 174 Black-crowned Night-Heron Nycticorax nycticorax 68 61.82 175 Yellow-crowned Night-Heron Nyctanassa violacea 63 57.27 176 White Ibis Eudocimus albus 71 64.55 177 Glossy Ibis Plegadis falcinellus 57 51.82 178 Roseate Spoonbill Platalea ajaja 61 55.45 179 Black Vulture Coragyps atratus 76 69.09 180 Turkey Vulture Cathartes aura 87 79.09 181 Osprey Pandion haliaetus 82 74.55 182 Swallow-tailed Kite Elanoides forficatus 47 42.73 183 Northern Harrier Circus hudsonius 67 60.91 184 Sharp-shinned Hawk Accipiter striatus 55 50.00 185 Cooper's Hawk Accipiter cooperii 67 60.91 186 Bald Eagle Haliaeetus leucocephalus 82 74.55 187 Mississippi Kite Ictinia mississippiensis 25 22.73 188 Red-shouldered Hawk Buteo lineatus 63 57.27 189 Broad-winged Hawk Buteo platypterus 53 48.18 190 Short-tailed Hawk Buteo brachyurus 31 28.18 191 Red-tailed Hawk Buteo jamaicensis 82 74.55 192 Rough-legged Hawk Buteo lagopus 34 30.91 193 Eastern Screech-Owl Megascops asio 32 29.09 194 Great Horned Owl Bubo virginianus 51 46.36 195 Snowy Owl Bubo scandiacus 26 23.64 196 Barred Owl Strix varia 20 18.18 197 Ringed Kingfisher Megaceryle torquata 43 39.09 198 Belted Kingfisher Megaceryle alcyon 81 73.64 199 Green Kingfisher Chloroceryle americana 43 39.09 200 Red-headed Woodpecker Melanerpes erythrocephalus 48 43.64 201 Golden-fronted Woodpecker Melanerpes aurifrons 37 33.64 202 Red-bellied Woodpecker Melanerpes carolinus 69 62.73 203 Yellow-bellied Sapsucker Sphyrapicus varius 63 57.27 204 Downy Woodpecker Dryobates pubescens 72 65.45 205 Hairy Woodpecker Dryobates villosus 67 60.91 206 Northern Flicker Colaptes auratus 73 66.36 207 Pileated Woodpecker Dryocopus pileatus 57 51.82 208 American Kestrel Falco sparverius 79 71.82 209 Merlin Falco columbarius 52 47.27 210 Peregrine Falcon Falco peregrinus 68 61.82 211 Monk Parakeet Myiopsitta monachus 26 23.64 212 Nanday Parakeet Aratinga nenday 4 3.64 213 Masked Tityra Tityra semifasciata 42 38.18 214 Ash-throated Flycatcher Myiarchus cinerascens 35 31.82 215 Great Crested Flycatcher Myiarchus crinitus 60 54.55 216 Brown-crested Flycatcher Myiarchus tyrannulus 36 32.73 217 Boat-billed Flycatcher Megarynchus pitangua 39 35.45 218 Social Flycatcher Myiozetetes similis 45 40.91 219 Western Kingbird Tyrannus verticalis 48 43.64 220 Eastern Kingbird Tyrannus tyrannus 58 52.73 221 Gray Kingbird Tyrannus dominicensis 35 31.82 222 Fork-tailed Flycatcher Tyrannus savana 22 20.00 223 Olive-sided Flycatcher Contopus cooperi 39 35.45 224 Western Wood-Pewee Contopus sordidulus 42 38.18 225 Eastern Wood-Pewee Contopus virens 52 47.27 226 Yellow-bellied Flycatcher Empidonax flaviventris 33 30.00 227 Acadian Flycatcher Empidonax virescens 29 26.36 228 Willow Flycatcher Empidonax traillii 39 35.45 229 Least Flycatcher Empidonax minimus 45 40.91 230 Hammond's Flycatcher Empidonax hammondii 28 25.45 231 Eastern Phoebe Sayornis phoebe 56 50.91 232 Vermilion Flycatcher Pyrocephalus rubinus 45 40.91 233 White-eyed Vireo Vireo griseus 53 48.18 234 Bell's Vireo Vireo bellii 31 28.18 235 Blue-headed Vireo Vireo solitarius 42 38.18 236 Warbling Vireo Vireo gilvus 48 43.64 237 Red-eyed Vireo Vireo olivaceus 52 47.27 238 Yucatan Vireo Vireo magister 14 12.73 239 Loggerhead Shrike Lanius ludovicianus 60 54.55 240 Northern Shrike Lanius borealis 18 16.36 241 Canada Jay Perisoreus canadensis 44 40.00 242 Steller's Jay Cyanocitta stelleri 58 52.73 243 Blue Jay Cyanocitta cristata 77 70.00 244 California Scrub-Jay Aphelocoma californica 26 23.64 245 Clark's Nutcracker Nucifraga columbiana 36 32.73 246 Black-billed Magpie Pica hudsonia 48 43.64 247 American Crow Corvus brachyrhynchos 78 70.91 248 Fish Crow Corvus ossifragus 51 46.36 249 Common Raven Corvus corax 63 57.27 250 Carolina Chickadee Poecile carolinensis 48 43.64 251 Black-capped Chickadee Poecile atricapillus 67 60.91 252 Mountain Chickadee Poecile gambeli 39 35.45 253 Chestnut-backed Chickadee Poecile rufescens 37 33.64 254 Boreal Chickadee Poecile hudsonicus 27 24.55 255 Tufted Titmouse Baeolophus bicolor 61 55.45 256 Horned Lark Eremophila alpestris 44 40.00 257 Bank Swallow Riparia riparia 51 46.36 258 Tree Swallow Tachycineta bicolor 71 64.55 259 Violet-green Swallow Tachycineta thalassina 45 40.91 260 Mangrove Swallow Tachycineta albilinea 40 36.36 261 Northern Rough-winged Swallow Stelgidopteryx serripennis 64 58.18 262 Purple Martin Progne subis 59 53.64 263 Barn Swallow Hirundo rustica 70 63.64 264 Cliff Swallow Petrochelidon pyrrhonota 61 55.45 265 Bushtit Psaltriparus minimus 46 41.82 266 Ruby-crowned Kinglet Corthylio calendula 59 53.64 267 Golden-crowned Kinglet Regulus satrapa 49 44.55 268 Bohemian Waxwing Bombycilla garrulus 20 18.18 269 Cedar Waxwing Bombycilla cedrorum 65 59.09 270 Red-breasted Nuthatch Sitta canadensis 53 48.18 271 White-breasted Nuthatch Sitta carolinensis 63 57.27 272 Brown Creeper Certhia americana 55 50.00 273 Blue-gray Gnatcatcher Polioptila caerulea 68 61.82 274 Bewick's Wren Thryomanes bewickii 44 40.00 275 Carolina Wren Thryothorus ludovicianus 58 52.73 276 House Wren Troglodytes aedon 63 57.27 277 Winter Wren Troglodytes hiemalis 38 34.55 278 Sedge Wren Cistothorus stellaris 17 15.45 279 Marsh Wren Cistothorus palustris 51 46.36 280 Gray Catbird Dumetella carolinensis 67 60.91 281 Brown Thrasher Toxostoma rufum 54 49.09 282 Tropical Mockingbird Mimus gilvus 37 33.64 283 Northern Mockingbird Mimus polyglottos 77 70.00 284 European Starling Sturnus vulgaris 76 69.09 285 American Dipper Cinclus mexicanus 45 40.91 286 Eastern Bluebird Sialia sialis 69 62.73 287 Mountain Bluebird Sialia currucoides 36 32.73 288 Townsend's Solitaire Myadestes townsendi 35 31.82 289 Veery Catharus fuscescens 41 37.27 290 Swainson's Thrush Catharus ustulatus 52 47.27 291 Hermit Thrush Catharus guttatus 58 52.73 292 Wood Thrush Hylocichla mustelina 48 43.64 293 American Robin Turdus migratorius 80 72.73 294 House Sparrow Passer domesticus 77 70.00 295 American Pipit Anthus rubescens 51 46.36 296 Evening Grosbeak Coccothraustes vespertinus 30 27.27 297 House Finch Haemorhous mexicanus 77 70.00 298 Purple Finch Haemorhous purpureus 50 45.45 299 Common Redpoll Acanthis flammea 26 23.64 300 Red Crossbill Loxia curvirostra 21 19.09 301 White-winged Crossbill Loxia leucoptera 26 23.64 302 Pine Siskin Spinus pinus 53 48.18 303 American Goldfinch Spinus tristis 68 61.82 304 Snow Bunting Plectrophenax nivalis 24 21.82 305 Grasshopper Sparrow Ammodramus savannarum 32 29.09 306 Lark Sparrow Chondestes grammacus 35 31.82 307 Lark Bunting Calamospiza melanocorys 18 16.36 308 Chipping Sparrow Spizella passerina 61 55.45 309 Clay-colored Sparrow Spizella pallida 36 32.73 310 Field Sparrow Spizella pusilla 43 39.09 311 Fox Sparrow Passerella iliaca 53 48.18 312 American Tree Sparrow Spizelloides arborea 32 29.09 313 Dark-eyed Junco Junco hyemalis 66 60.00 314 White-crowned Sparrow Zonotrichia leucophrys 59 53.64 315 Harris's Sparrow Zonotrichia querula 20 18.18 316 White-throated Sparrow Zonotrichia albicollis 61 55.45 317 Vesper Sparrow Pooecetes gramineus 37 33.64 318 LeConte's Sparrow Ammospiza leconteii 14 12.73 319 Seaside Sparrow Ammospiza maritima 24 21.82 320 Saltmarsh Sparrow Ammospiza caudacuta 17 15.45 321 Savannah Sparrow Passerculus sandwichensis 58 52.73 322 Song Sparrow Melospiza melodia 66 60.00 323 Lincoln's Sparrow Melospiza lincolnii 49 44.55 324 Swamp Sparrow Melospiza georgiana 42 38.18 325 Spotted Towhee Pipilo maculatus 49 44.55 326 Eastern Towhee Pipilo erythrophthalmus 57 51.82 327 Yellow-breasted Chat Icteria virens 38 34.55 328 Bobolink Dolichonyx oryzivorus 39 35.45 329 Eastern Meadowlark Sturnella magna 29 26.36 330 Orchard Oriole Icterus spurius 47 42.73 331 Bullock's Oriole Icterus bullockii 41 37.27 332 Baltimore Oriole Icterus galbula 64 58.18 333 Red-winged Blackbird Agelaius phoeniceus 82 74.55 334 Brown-headed Cowbird Molothrus ater 68 61.82 335 Rusty Blackbird Euphagus carolinus 38 34.55 336 Common Grackle Quiscalus quiscula 77 70.00 337 Boat-tailed Grackle Quiscalus major 50 45.45 338 Great-tailed Grackle Quiscalus mexicanus 67 60.91 339 Ovenbird Seiurus aurocapilla 56 50.91 340 Worm-eating Warbler Helmitheros vermivorum 41 37.27 341 Northern Waterthrush Parkesia noveboracensis 55 50.00 342 Blue-winged Warbler Vermivora cyanoptera 34 30.91 343 Black-and-white Warbler Mniotilta varia 71 64.55 344 Prothonotary Warbler Protonotaria citrea 42 38.18 345 Orange-crowned Warbler Leiothlypis celata 53 48.18 346 Nashville Warbler Leiothlypis ruficapilla 44 40.00 347 Virginia's Warbler Leiothlypis virginiae 15 13.64 348 Kentucky Warbler Geothlypis formosa 31 28.18 349 Common Yellowthroat Geothlypis trichas 72 65.45 350 Hooded Warbler Setophaga citrina 40 36.36 351 American Redstart Setophaga ruticilla 63 57.27 352 Northern Parula Setophaga americana 55 50.00 353 Magnolia Warbler Setophaga magnolia 57 51.82 354 Bay-breasted Warbler Setophaga castanea 29 26.36 355 Blackburnian Warbler Setophaga fusca 42 38.18 356 Yellow Warbler Setophaga petechia 70 63.64 357 Chestnut-sided Warbler Setophaga pensylvanica 52 47.27 358 Blackpoll Warbler Setophaga striata 43 39.09 359 Black-throated Blue Warbler Setophaga caerulescens 45 40.91 360 Palm Warbler Setophaga palmarum 64 58.18 361 Pine Warbler Setophaga pinus 54 49.09 362 Yellow-rumped Warbler Setophaga coronata 68 61.82 363 Yellow-throated Warbler Setophaga dominica 40 36.36 364 Prairie Warbler Setophaga discolor 51 46.36 365 Black-throated Gray Warbler Setophaga nigrescens 38 34.55 366 Townsend's Warbler Setophaga townsendi 40 36.36 367 Black-throated Green Warbler Setophaga virens 52 47.27 368 Scarlet Tanager Piranga olivacea 51 46.36 369 Western Tanager Piranga ludoviciana 47 42.73 370 Northern Cardinal Cardinalis cardinalis 81 73.64 371 Rose-breasted Grosbeak Pheucticus ludovicianus 63 57.27 372 Black-headed Grosbeak Pheucticus melanocephalus 43 39.09 373 Blue Grosbeak Passerina caerulea 49 44.55 374 Lazuli Bunting Passerina amoena 35 31.82 375 Indigo Bunting Passerina cyanea 61 55.45 376 Bananaquit Coereba flaveola 46 41.82 377 Morelet's Seedeater Sporophila morelleti 22 20.00