Andrew Johnson: ABA Continental Traditional Year List 2021 ABA, All records: Top Blockers Record(s) 1 to 301 of 301 total. Seq. Species Scientific Name Seen By Other Listers Other Listers (%) 1 Snow Goose Anser caerulescens 3 100.00 2 Ross's Goose Anser rossii 3 100.00 3 Greater White-fronted Goose Anser albifrons 3 100.00 4 Brant Branta bernicla 2 66.67 5 Canada Goose Branta canadensis 3 100.00 6 Mute Swan Cygnus olor 2 66.67 7 Tundra Swan Cygnus columbianus 3 100.00 8 Wood Duck Aix sponsa 3 100.00 9 Cinnamon Teal Spatula cyanoptera 2 66.67 10 Northern Shoveler Spatula clypeata 3 100.00 11 Gadwall Mareca strepera 3 100.00 12 Eurasian Wigeon Mareca penelope 1 33.33 13 American Wigeon Mareca americana 3 100.00 14 Mallard Anas platyrhynchos 3 100.00 15 Northern Pintail Anas acuta 3 100.00 16 Green-winged Teal Anas crecca 3 100.00 17 Canvasback Aythya valisineria 3 100.00 18 Redhead Aythya americana 3 100.00 19 Ring-necked Duck Aythya collaris 3 100.00 20 Greater Scaup Aythya marila 3 100.00 21 Lesser Scaup Aythya affinis 3 100.00 22 Surf Scoter Melanitta perspicillata 3 100.00 23 Long-tailed Duck Clangula hyemalis 2 66.67 24 Bufflehead Bucephala albeola 3 100.00 25 Common Goldeneye Bucephala clangula 3 100.00 26 Barrow's Goldeneye Bucephala islandica 2 66.67 27 Common Merganser Mergus merganser 2 66.67 28 Red-breasted Merganser Mergus serrator 3 100.00 29 Ruddy Duck Oxyura jamaicensis 3 100.00 30 Mountain Quail Oreortyx pictus 2 66.67 31 Northern Bobwhite Colinus virginianus 1 33.33 32 California Quail Callipepla californica 2 66.67 33 Wild Turkey Meleagris gallopavo 3 100.00 34 Ring-necked Pheasant Phasianus colchicus 3 100.00 35 Pied-billed Grebe Podilymbus podiceps 3 100.00 36 Horned Grebe Podiceps auritus 3 100.00 37 Red-necked Grebe Podiceps grisegena 2 66.67 38 Eared Grebe Podiceps nigricollis 3 100.00 39 Western Grebe Aechmophorus occidentalis 3 100.00 40 Clark's Grebe Aechmophorus clarkii 2 66.67 41 Rock Pigeon Columba livia 3 100.00 42 Band-tailed Pigeon Patagioenas fasciata 1 33.33 43 Eurasian Collared-Dove Streptopelia decaocto 3 100.00 44 Mourning Dove Zenaida macroura 3 100.00 45 Yellow-billed Cuckoo Coccyzus americanus 2 66.67 46 Common Nighthawk Chordeiles minor 3 100.00 47 Common Poorwill Phalaenoptilus nuttallii 1 33.33 48 Chimney Swift Chaetura pelagica 3 100.00 49 White-throated Swift Aeronautes saxatalis 2 66.67 50 Ruby-throated Hummingbird Archilochus colubris 2 66.67 51 Black-chinned Hummingbird Archilochus alexandri 2 66.67 52 Anna's Hummingbird Calypte anna 2 66.67 53 Allen's Hummingbird Selasphorus sasin 1 33.33 54 Broad-tailed Hummingbird Selasphorus platycercus 1 33.33 55 Common Gallinule Gallinula galeata 3 100.00 56 American Coot Fulica americana 3 100.00 57 Sandhill Crane Antigone canadensis 3 100.00 58 Black-necked Stilt Himantopus mexicanus 2 66.67 59 American Avocet Recurvirostra americana 3 100.00 60 Black Oystercatcher Haematopus bachmani 2 66.67 61 Black-bellied Plover Pluvialis squatarola 3 100.00 62 Pacific Golden-Plover Pluvialis fulva 1 33.33 63 Killdeer Charadrius vociferus 3 100.00 64 Semipalmated Plover Charadrius semipalmatus 2 66.67 65 Snowy Plover Charadrius nivosus 2 66.67 66 Whimbrel Numenius phaeopus 3 100.00 67 Long-billed Curlew Numenius americanus 2 66.67 68 Marbled Godwit Limosa fedoa 3 100.00 69 Black Turnstone Arenaria melanocephala 2 66.67 70 Surfbird Calidris virgata 1 33.33 71 Sanderling Calidris alba 2 66.67 72 Dunlin Calidris alpina 3 100.00 73 Baird's Sandpiper Calidris bairdii 2 66.67 74 Least Sandpiper Calidris minutilla 3 100.00 75 Western Sandpiper Calidris mauri 2 66.67 76 Short-billed Dowitcher Limnodromus griseus 2 66.67 77 Long-billed Dowitcher Limnodromus scolopaceus 3 100.00 78 Wilson's Snipe Gallinago delicata 3 100.00 79 Spotted Sandpiper Actitis macularius 2 66.67 80 Willet Tringa semipalmata 3 100.00 81 Greater Yellowlegs Tringa melanoleuca 3 100.00 82 Red-necked Phalarope Phalaropus lobatus 2 66.67 83 Common Murre Uria aalge 1 33.33 84 Pigeon Guillemot Cepphus columba 1 33.33 85 Marbled Murrelet Brachyramphus marmoratus 1 33.33 86 Bonaparte's Gull Chroicocephalus philadelphia 3 100.00 87 Heermann's Gull Larus heermanni 2 66.67 88 Short-billed Gull Larus brachyrhynchus 2 66.67 89 Ring-billed Gull Larus delawarensis 3 100.00 90 Western Gull Larus occidentalis 1 33.33 91 California Gull Larus californicus 2 66.67 92 Herring Gull Larus argentatus 2 66.67 93 Iceland Gull Larus glaucoides 2 66.67 94 Glaucous-winged Gull Larus glaucescens 1 33.33 95 Caspian Tern Hydroprogne caspia 2 66.67 96 Forster's Tern Sterna forsteri 3 100.00 97 Pacific Loon Gavia pacifica 2 66.67 98 Common Loon Gavia immer 3 100.00 99 Brandt's Cormorant Urile penicillatus 2 66.67 100 Pelagic Cormorant Urile pelagicus 2 66.67 101 Double-crested Cormorant Nannopterum auritum 3 100.00 102 American White Pelican Pelecanus erythrorhynchos 3 100.00 103 Brown Pelican Pelecanus occidentalis 2 66.67 104 American Bittern Botaurus lentiginosus 3 100.00 105 Least Bittern Ixobrychus exilis 2 66.67 106 Great Blue Heron Ardea herodias 3 100.00 107 Great Egret Ardea alba 3 100.00 108 Snowy Egret Egretta thula 3 100.00 109 Green Heron Butorides virescens 2 66.67 110 Black-crowned Night-Heron Nycticorax nycticorax 3 100.00 111 White-faced Ibis Plegadis chihi 2 66.67 112 Turkey Vulture Cathartes aura 3 100.00 113 Osprey Pandion haliaetus 3 100.00 114 White-tailed Kite Elanus leucurus 3 100.00 115 Golden Eagle Aquila chrysaetos 2 66.67 116 Sharp-shinned Hawk Accipiter striatus 2 66.67 117 Cooper's Hawk Accipiter cooperii 3 100.00 118 Bald Eagle Haliaeetus leucocephalus 3 100.00 119 Red-shouldered Hawk Buteo lineatus 3 100.00 120 Swainson's Hawk Buteo swainsoni 3 100.00 121 Red-tailed Hawk Buteo jamaicensis 3 100.00 122 Rough-legged Hawk Buteo lagopus 2 66.67 123 Barn Owl Tyto alba 2 66.67 124 Burrowing Owl Athene cunicularia 2 66.67 125 Barred Owl Strix varia 2 66.67 126 Belted Kingfisher Megaceryle alcyon 3 100.00 127 Lewis's Woodpecker Melanerpes lewis 1 33.33 128 Red-headed Woodpecker Melanerpes erythrocephalus 2 66.67 129 Acorn Woodpecker Melanerpes formicivorus 2 66.67 130 Red-bellied Woodpecker Melanerpes carolinus 2 66.67 131 Williamson's Sapsucker Sphyrapicus thyroideus 1 33.33 132 Red-naped Sapsucker Sphyrapicus nuchalis 2 66.67 133 Red-breasted Sapsucker Sphyrapicus ruber 2 66.67 134 Black-backed Woodpecker Picoides arcticus 2 66.67 135 Downy Woodpecker Dryobates pubescens 2 66.67 136 Nuttall's Woodpecker Dryobates nuttallii 2 66.67 137 Hairy Woodpecker Dryobates villosus 2 66.67 138 White-headed Woodpecker Dryobates albolarvatus 2 66.67 139 Northern Flicker Colaptes auratus 3 100.00 140 Pileated Woodpecker Dryocopus pileatus 2 66.67 141 American Kestrel Falco sparverius 3 100.00 142 Peregrine Falcon Falco peregrinus 2 66.67 143 Ash-throated Flycatcher Myiarchus cinerascens 1 33.33 144 Great Crested Flycatcher Myiarchus crinitus 2 66.67 145 Western Kingbird Tyrannus verticalis 3 100.00 146 Eastern Kingbird Tyrannus tyrannus 2 66.67 147 Olive-sided Flycatcher Contopus cooperi 2 66.67 148 Western Wood-Pewee Contopus sordidulus 2 66.67 149 Eastern Wood-Pewee Contopus virens 2 66.67 150 Willow Flycatcher Empidonax traillii 2 66.67 151 Least Flycatcher Empidonax minimus 2 66.67 152 Hammond's Flycatcher Empidonax hammondii 1 33.33 153 Dusky Flycatcher Empidonax oberholseri 1 33.33 154 Black Phoebe Sayornis nigricans 2 66.67 155 Eastern Phoebe Sayornis phoebe 2 66.67 156 Say's Phoebe Sayornis saya 2 66.67 157 Vermilion Flycatcher Pyrocephalus rubinus 1 33.33 158 White-eyed Vireo Vireo griseus 1 33.33 159 Bell's Vireo Vireo bellii 2 66.67 160 Hutton's Vireo Vireo huttoni 1 33.33 161 Yellow-throated Vireo Vireo flavifrons 2 66.67 162 Cassin's Vireo Vireo cassinii 1 33.33 163 Philadelphia Vireo Vireo philadelphicus 2 66.67 164 Warbling Vireo Vireo gilvus 3 100.00 165 Red-eyed Vireo Vireo olivaceus 3 100.00 166 Loggerhead Shrike Lanius ludovicianus 2 66.67 167 Steller's Jay Cyanocitta stelleri 2 66.67 168 Blue Jay Cyanocitta cristata 2 66.67 169 California Scrub-Jay Aphelocoma californica 2 66.67 170 Woodhouse's Scrub-Jay Aphelocoma woodhouseii 1 33.33 171 Clark's Nutcracker Nucifraga columbiana 2 66.67 172 Black-billed Magpie Pica hudsonia 3 100.00 173 Yellow-billed Magpie Pica nuttalli 2 66.67 174 American Crow Corvus brachyrhynchos 3 100.00 175 Common Raven Corvus corax 3 100.00 176 Carolina Chickadee Poecile carolinensis 2 66.67 177 Black-capped Chickadee Poecile atricapillus 3 100.00 178 Mountain Chickadee Poecile gambeli 2 66.67 179 Chestnut-backed Chickadee Poecile rufescens 2 66.67 180 Oak Titmouse Baeolophus inornatus 2 66.67 181 Tufted Titmouse Baeolophus bicolor 2 66.67 182 Horned Lark Eremophila alpestris 3 100.00 183 Tree Swallow Tachycineta bicolor 3 100.00 184 Violet-green Swallow Tachycineta thalassina 1 33.33 185 Northern Rough-winged Swallow Stelgidopteryx serripennis 2 66.67 186 Barn Swallow Hirundo rustica 3 100.00 187 Cliff Swallow Petrochelidon pyrrhonota 3 100.00 188 Bushtit Psaltriparus minimus 2 66.67 189 Wrentit Chamaea fasciata 1 33.33 190 Ruby-crowned Kinglet Corthylio calendula 3 100.00 191 Golden-crowned Kinglet Regulus satrapa 2 66.67 192 Cedar Waxwing Bombycilla cedrorum 3 100.00 193 Phainopepla Phainopepla nitens 1 33.33 194 Red-breasted Nuthatch Sitta canadensis 3 100.00 195 White-breasted Nuthatch Sitta carolinensis 3 100.00 196 Pygmy Nuthatch Sitta pygmaea 2 66.67 197 Brown Creeper Certhia americana 2 66.67 198 Blue-gray Gnatcatcher Polioptila caerulea 2 66.67 199 Rock Wren Salpinctes obsoletus 1 33.33 200 Canyon Wren Catherpes mexicanus 1 33.33 201 Bewick's Wren Thryomanes bewickii 2 66.67 202 Carolina Wren Thryothorus ludovicianus 2 66.67 203 House Wren Troglodytes aedon 3 100.00 204 Pacific Wren Troglodytes pacificus 1 33.33 205 Marsh Wren Cistothorus palustris 3 100.00 206 Gray Catbird Dumetella carolinensis 2 66.67 207 Brown Thrasher Toxostoma rufum 2 66.67 208 California Thrasher Toxostoma redivivum 1 33.33 209 Sage Thrasher Oreoscoptes montanus 2 66.67 210 Northern Mockingbird Mimus polyglottos 3 100.00 211 European Starling Sturnus vulgaris 3 100.00 212 American Dipper Cinclus mexicanus 1 33.33 213 Western Bluebird Sialia mexicana 2 66.67 214 Mountain Bluebird Sialia currucoides 3 100.00 215 Townsend's Solitaire Myadestes townsendi 2 66.67 216 Veery Catharus fuscescens 3 100.00 217 Swainson's Thrush Catharus ustulatus 2 66.67 218 Hermit Thrush Catharus guttatus 2 66.67 219 Wood Thrush Hylocichla mustelina 2 66.67 220 American Robin Turdus migratorius 3 100.00 221 House Sparrow Passer domesticus 3 100.00 222 American Pipit Anthus rubescens 3 100.00 223 Evening Grosbeak Coccothraustes vespertinus 3 100.00 224 Pine Grosbeak Pinicola enucleator 2 66.67 225 House Finch Haemorhous mexicanus 3 100.00 226 Purple Finch Haemorhous purpureus 2 66.67 227 Cassin's Finch Haemorhous cassinii 2 66.67 228 Red Crossbill Loxia curvirostra 2 66.67 229 Pine Siskin Spinus pinus 3 100.00 230 Lesser Goldfinch Spinus psaltria 2 66.67 231 Lawrence's Goldfinch Spinus lawrencei 1 33.33 232 American Goldfinch Spinus tristis 3 100.00 233 Grasshopper Sparrow Ammodramus savannarum 2 66.67 234 Lark Sparrow Chondestes grammacus 2 66.67 235 Chipping Sparrow Spizella passerina 3 100.00 236 Clay-colored Sparrow Spizella pallida 2 66.67 237 Field Sparrow Spizella pusilla 3 100.00 238 Brewer's Sparrow Spizella breweri 2 66.67 239 Fox Sparrow Passerella iliaca 2 66.67 240 American Tree Sparrow Spizelloides arborea 2 66.67 241 Dark-eyed Junco Junco hyemalis 3 100.00 242 White-crowned Sparrow Zonotrichia leucophrys 3 100.00 243 Golden-crowned Sparrow Zonotrichia atricapilla 2 66.67 244 Harris's Sparrow Zonotrichia querula 2 66.67 245 White-throated Sparrow Zonotrichia albicollis 2 66.67 246 Vesper Sparrow Pooecetes gramineus 3 100.00 247 Henslow's Sparrow Centronyx henslowii 2 66.67 248 Savannah Sparrow Passerculus sandwichensis 3 100.00 249 Song Sparrow Melospiza melodia 3 100.00 250 Lincoln's Sparrow Melospiza lincolnii 2 66.67 251 Swamp Sparrow Melospiza georgiana 2 66.67 252 California Towhee Melozone crissalis 2 66.67 253 Rufous-crowned Sparrow Aimophila ruficeps 1 33.33 254 Green-tailed Towhee Pipilo chlorurus 1 33.33 255 Spotted Towhee Pipilo maculatus 2 66.67 256 Eastern Towhee Pipilo erythrophthalmus 2 66.67 257 Yellow-breasted Chat Icteria virens 1 33.33 258 Yellow-headed Blackbird Xanthocephalus xanthocephalus 3 100.00 259 Eastern Meadowlark Sturnella magna 2 66.67 260 Western Meadowlark Sturnella neglecta 3 100.00 261 Orchard Oriole Icterus spurius 2 66.67 262 Bullock's Oriole Icterus bullockii 2 66.67 263 Baltimore Oriole Icterus galbula 3 100.00 264 Red-winged Blackbird Agelaius phoeniceus 3 100.00 265 Brown-headed Cowbird Molothrus ater 3 100.00 266 Brewer's Blackbird Euphagus cyanocephalus 3 100.00 267 Common Grackle Quiscalus quiscula 3 100.00 268 Great-tailed Grackle Quiscalus mexicanus 3 100.00 269 Ovenbird Seiurus aurocapilla 2 66.67 270 Worm-eating Warbler Helmitheros vermivorum 1 33.33 271 Golden-winged Warbler Vermivora chrysoptera 2 66.67 272 Tennessee Warbler Leiothlypis peregrina 2 66.67 273 Orange-crowned Warbler Leiothlypis celata 2 66.67 274 Nashville Warbler Leiothlypis ruficapilla 2 66.67 275 MacGillivray's Warbler Geothlypis tolmiei 1 33.33 276 Mourning Warbler Geothlypis philadelphia 2 66.67 277 Common Yellowthroat Geothlypis trichas 3 100.00 278 Hooded Warbler Setophaga citrina 1 33.33 279 American Redstart Setophaga ruticilla 3 100.00 280 Cerulean Warbler Setophaga cerulea 2 66.67 281 Northern Parula Setophaga americana 2 66.67 282 Magnolia Warbler Setophaga magnolia 2 66.67 283 Yellow Warbler Setophaga petechia 2 66.67 284 Chestnut-sided Warbler Setophaga pensylvanica 3 100.00 285 Palm Warbler Setophaga palmarum 2 66.67 286 Yellow-rumped Warbler Setophaga coronata 3 100.00 287 Prairie Warbler Setophaga discolor 1 33.33 288 Black-throated Gray Warbler Setophaga nigrescens 1 33.33 289 Townsend's Warbler Setophaga townsendi 2 66.67 290 Hermit Warbler Setophaga occidentalis 2 66.67 291 Wilson's Warbler Cardellina pusilla 2 66.67 292 Summer Tanager Piranga rubra 2 66.67 293 Scarlet Tanager Piranga olivacea 2 66.67 294 Western Tanager Piranga ludoviciana 2 66.67 295 Northern Cardinal Cardinalis cardinalis 3 100.00 296 Rose-breasted Grosbeak Pheucticus ludovicianus 3 100.00 297 Black-headed Grosbeak Pheucticus melanocephalus 1 33.33 298 Blue Grosbeak Passerina caerulea 2 66.67 299 Lazuli Bunting Passerina amoena 1 33.33 300 Indigo Bunting Passerina cyanea 3 100.00 301 Dickcissel Spiza americana 3 100.00