Avibase - Bird Checklists of the World
Ridgefield National Wildlife Refuge
This checklist includes all bird species found in Ridgefield National Wildlife Refuge , based on the best information available at this time. It is based on a wide variety of sources that I collated over many years. I am pleased to offer these checklists as a service to birdwatchers. If you find any error, please do not hesitate to .
The taxonomic order and nomenclature follows Howard and Moore 4th edition (incl. corrigenda vol.1-2). If you prefer to view the list based on a different authority, click on one of the list available below. Globally threatened species (status in red) were identified by Birdlife International in Birdlife Data Zone (species).
Bird Checklists of the World is part of Avibase and Bird links to the World, which are designed and maintained by Denis Lepage, and hosted by Birds Canada, which is a co-partner of Birdlife International.
© Denis Lepage 2022
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Country or region: Ridgefield National Wildlife Refuge [map]
Number of globally threatened species: 4
Number of introduced species: 7
Last modified: 2022-07-26
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| Ruddy Duck | Oxyura jamaicensis | |
| Mute Swan | Cygnus olor | Introduced species |
| Trumpeter Swan | Cygnus buccinator | |
| Tundra Swan | Cygnus columbianus | |
| Brent Goose | Branta bernicla | |
| Cackling Goose | Branta hutchinsii | |
| Canada Goose | Branta canadensis | |
| Emperor Goose | Anser canagicus | Near-threatened |
| Snow Goose | Anser caerulescens | |
| Ross's Goose | Anser rossii | |
| Greater White-fronted Goose | Anser albifrons | |
| Surf Scoter | Melanitta perspicillata | |
| Velvet Scoter | Melanitta fusca | |
| Bufflehead | Bucephala albeola | |
| Common Goldeneye | Bucephala clangula | |
| Barrow's Goldeneye | Bucephala islandica | |
| Hooded Merganser | Lophodytes cucullatus | |
| Goosander | Mergus merganser | |
| Red-breasted Merganser | Mergus serrator | |
| Canvasback | Aythya valisineria | |
| Redhead | Aythya americana | |
| Ring-necked Duck | Aythya collaris | |
| Greater Scaup | Aythya marila | |
| Lesser Scaup | Aythya affinis | |
| Northern Shoveler | Spatula clypeata | |
| Cinnamon Teal | Spatula cyanoptera | |
| Blue-winged Teal | Spatula discors | |
| Gadwall | Mareca strepera | |
| Eurasian Wigeon | Mareca penelope | |
| American Wigeon | Mareca americana | |
| Mallard | Anas platyrhynchos | |
| Northern Pintail | Anas acuta | |
| Common Teal | Anas crecca | |
| Wood Duck | Aix sponsa | |
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| California Quail | Callipepla californica | Introduced species |
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| Common Pheasant | Phasianus colchicus | Introduced species |
| Ruffed Grouse | Bonasa umbellus | |
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| Pied-billed Grebe | Podilymbus podiceps | |
| Western Grebe | Aechmophorus occidentalis | |
| Red-necked Grebe | Podiceps grisegena | |
| Slavonian Grebe | Podiceps auritus | Vulnerable |
| Black-necked Grebe | Podiceps nigricollis | |
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| Rock Dove | Columba livia | Introduced species |
| Eurasian Collared Dove | Streptopelia decaocto | Introduced species |
| Band-tailed Pigeon | Patagioenas fasciata | |
| Mourning Dove | Zenaida macroura | |
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| Common Nighthawk | Chordeiles minor | |
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| Black Swift | Cypseloides niger | Vulnerable |
| Vaux's Swift | Chaetura vauxi | |
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| Black-chinned Hummingbird | Archilochus alexandri | |
| Anna's Hummingbird | Calypte anna | |
| Rufous Hummingbird | Selasphorus rufus | Near-threatened |
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| Yellow Rail | Coturnicops noveboracensis | Rare/Accidental |
| Virginia Rail | Rallus limicola | |
| Sora | Porzana carolina | |
| American Coot | Fulica americana | |
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| Sandhill Crane | Antigone canadensis | |
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| Red-throated Diver | Gavia stellata | |
| Pacific Loon | Gavia pacifica | |
| Great Northern Diver | Gavia immer | |
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| American White Pelican | Pelecanus erythrorhynchos | |
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| American Bittern | Botaurus lentiginosus | |
| Black-crowned Night Heron | Nycticorax nycticorax | |
| Green Heron | Butorides virescens | |
| Great Blue Heron | Ardea herodias | |
| Great Egret | Ardea alba | |
| Snowy Egret | Egretta thula | Rare/Accidental |
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| White-faced Ibis | Plegadis chihi | |
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| Double-crested Cormorant | Phalacrocorax auritus | |
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| American Avocet | Recurvirostra americana | |
| Black-winged Stilt | Himantopus himantopus | |
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| Grey Plover | Pluvialis squatarola | |
| Pacific Golden Plover | Pluvialis fulva | |
| American Golden Plover | Pluvialis dominica | |
| Semipalmated Plover | Charadrius semipalmatus | |
| Killdeer | Charadrius vociferus | |
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| Whimbrel | Numenius phaeopus | |
| Long-billed Curlew | Numenius americanus | |
| Ruddy Turnstone | Arenaria interpres | |
| Red Knot | Calidris canutus | Near-threatened |
| Ruff | Calidris pugnax | |
| Sharp-tailed Sandpiper | Calidris acuminata | |
| Stilt Sandpiper | Calidris himantopus | |
| Sanderling | Calidris alba | |
| Dunlin | Calidris alpina | |
| Baird's Sandpiper | Calidris bairdii | |
| Least Sandpiper | Calidris minutilla | |
| Buff-breasted Sandpiper | Calidris subruficollis | Near-threatened |
| Pectoral Sandpiper | Calidris melanotos | |
| Semipalmated Sandpiper | Calidris pusilla | Near-threatened |
| Western Sandpiper | Calidris mauri | |
| Short-billed Dowitcher | Limnodromus griseus | |
| Long-billed Dowitcher | Limnodromus scolopaceus | |
| Wilson's Snipe | Gallinago delicata | |
| Spotted Sandpiper | Actitis macularius | |
| Solitary Sandpiper | Tringa solitaria | |
| Lesser Yellowlegs | Tringa flavipes | |
| Greater Yellowlegs | Tringa melanoleuca | |
| Wilson's Phalarope | Steganopus tricolor | |
| Red-necked Phalarope | Phalaropus lobatus | |
| Grey Phalarope | Phalaropus fulicarius | |
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| Pigeon Guillemot | Cepphus columba | |
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| Bonaparte's Gull | Chroicocephalus philadelphia | |
| Mew Gull | Larus canus | |
| Ring-billed Gull | Larus delawarensis | |
| California Gull | Larus californicus | |
| Western Gull | Larus occidentalis | |
| American Herring Gull | Larus smithsonianus | |
| Thayer's Gull | Larus thayeri | |
| Glaucous-winged Gull | Larus glaucescens | |
| Caspian Tern | Hydroprogne caspia | |
| Black Tern | Chlidonias niger | |
| Arctic Tern | Sterna paradisaea | |
| Forster's Tern | Sterna forsteri | |
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| Turkey Vulture | Cathartes aura | |
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| Osprey | Pandion haliaetus | |
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| White-tailed Kite | Elanus leucurus | Rare/Accidental |
| Golden Eagle | Aquila chrysaetos | |
| Hen Harrier | Circus cyaneus | |
| Sharp-shinned Hawk | Accipiter striatus | |
| Cooper's Hawk | Accipiter cooperii | |
| Bald Eagle | Haliaeetus leucocephalus | |
| Red-shouldered Hawk | Buteo lineatus | |
| Red-tailed Hawk | Buteo jamaicensis | |
| Rough-legged Buzzard | Buteo lagopus | |
| Ferruginous Hawk | Buteo regalis | |
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| Common Barn Owl | Tyto alba | |
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| Northern Pygmy Owl | Glaucidium gnoma | |
| Northern Saw-whet Owl | Aegolius acadicus | |
| Northern Long-eared Owl | Asio otus | |
| Short-eared Owl | Asio flammeus | |
| Western Screech Owl | Megascops kennicottii | |
| Barred Owl | Strix varia | |
| Snowy Owl | Bubo scandiacus | Vulnerable |
| Great Horned Owl | Bubo virginianus | |
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| Pileated Woodpecker | Dryocopus pileatus | |
| Northern Flicker | Colaptes auratus | |
| Red-breasted Sapsucker | Sphyrapicus ruber | |
| Lewis's Woodpecker | Melanerpes lewis | |
| Downy Woodpecker | Picoides pubescens | |
| Hairy Woodpecker | Picoides villosus | |
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| Belted Kingfisher | Megaceryle alcyon | |
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| American Kestrel | Falco sparverius | |
| Merlin | Falco columbarius | |
| Gyrfalcon | Falco rusticolus | |
| Peregrine Falcon | Falco peregrinus | |
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| Western Kingbird | Tyrannus verticalis | |
| Eastern Kingbird | Tyrannus tyrannus | |
| Ash-throated Flycatcher | Myiarchus cinerascens | |
| Vermilion Flycatcher | Pyrocephalus rubinus | Rare/Accidental |
| Black Phoebe | Sayornis nigricans | |
| Say's Phoebe | Sayornis saya | |
| Willow Flycatcher | Empidonax traillii | |
| Hammond's Flycatcher | Empidonax hammondii | |
| Pacific-slope Flycatcher | Empidonax difficilis | |
| Olive-sided Flycatcher | Contopus cooperi | Near-threatened |
| Western Wood Pewee | Contopus sordidulus | |
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| Cassin's Vireo | Vireo cassinii | |
| Hutton's Vireo | Vireo huttoni | |
| Warbling Vireo | Vireo gilvus | |
| Red-eyed Vireo | Vireo olivaceus | |
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| Loggerhead Shrike | Lanius ludovicianus | Near-threatened |
| Northern Shrike | Lanius borealis | |
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| Gray Jay | Perisoreus canadensis | |
| Common Raven | Corvus corax | |
| American Crow | Corvus brachyrhynchos | |
| Californian Scrub Jay | Aphelocoma californica | |
| Steller's Jay | Cyanocitta stelleri | |
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| House Sparrow | Passer domesticus | Introduced species |
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| American Pipit | Anthus rubescens | |
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| Evening Grosbeak | Hesperiphona vespertina | Vulnerable |
| Gray-crowned Rosy Finch | Leucosticte tephrocotis | |
| House Finch | Haemorhous mexicanus | |
| Purple Finch | Haemorhous purpureus | |
| Common Redpoll | Acanthis flammea | |
| Red Crossbill | Loxia curvirostra | |
| Pine Siskin | Spinus pinus | |
| American Goldfinch | Spinus tristis | |
| Lesser Goldfinch | Spinus psaltria | |
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| Lapland Longspur | Calcarius lapponicus | |
| Snow Bunting | Plectrophenax nivalis | |
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| Chipping Sparrow | Spizella passerina | |
| Brewer's Sparrow | Spizella breweri | |
| Black-throated Sparrow | Amphispiza bilineata | |
| Green-tailed Towhee | Pipilo chlorurus | |
| Spotted Towhee | Pipilo maculatus | |
| Dark-eyed Junco | Junco hyemalis | |
| Harris's Sparrow | Zonotrichia querula | Near-threatened |
| White-throated Sparrow | Zonotrichia albicollis | |
| White-crowned Sparrow | Zonotrichia leucophrys | |
| Golden-crowned Sparrow | Zonotrichia atricapilla | |
| Fox Sparrow | Passerella iliaca | |
| American Tree Sparrow | Passerella arborea | |
| Sagebrush Sparrow | Artemisiospiza nevadensis | |
| Vesper Sparrow | Pooecetes gramineus | |
| Savannah Sparrow | Passerculus sandwichensis | |
| Song Sparrow | Melospiza melodia | |
| Lincoln's Sparrow | Melospiza lincolnii | |
| Swamp Sparrow | Melospiza georgiana | |
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| Northern Waterthrush | Parkesia noveboracensis | |
| Orange-crowned Warbler | Leiothlypis celata | |
| Nashville Warbler | Leiothlypis ruficapilla | |
| MacGillivray's Warbler | Geothlypis tolmiei | |
| Common Yellowthroat | Geothlypis trichas | |
| Yellow Warbler | Setophaga petechia | |
| Palm Warbler | Setophaga palmarum | |
| Yellow-rumped Warbler | Setophaga coronata | |
| Black-throated Gray Warbler | Setophaga nigrescens | |
| Townsend's Warbler | Setophaga townsendi | |
| Hermit Warbler | Setophaga occidentalis | |
| Wilson's Warbler | Cardellina pusilla | |
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| Yellow-breasted Chat | Icteria virens | |
| Yellow-headed Blackbird | Xanthocephalus xanthocephalus | |
| Bobolink | Dolichonyx oryzivorus | |
| Western Meadowlark | Sturnella neglecta | |
| Bullock's Oriole | Icterus bullockii | |
| Red-winged Blackbird | Agelaius phoeniceus | |
| Brown-headed Cowbird | Molothrus ater | |
| Brewer's Blackbird | Euphagus cyanocephalus | |
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| Rose-breasted Grosbeak | Pheucticus ludovicianus | |
| Black-headed Grosbeak | Pheucticus melanocephalus | |
| Lazuli Bunting | Passerina amoena | |
| Western Tanager | Piranga ludoviciana | |
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| Black-capped Chickadee | Poecile atricapillus | |
| Chestnut-backed Chickadee | Poecile rufescens | |
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| Horned Lark | Eremophila alpestris | |
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| Cliff Swallow | Petrochelidon pyrrhonota | |
| Barn Swallow | Hirundo rustica | |
| Sand Martin | Riparia riparia | |
| Tree Swallow | Tachycineta bicolor | |
| Violet-green Swallow | Tachycineta thalassina | |
| Purple Martin | Progne subis | |
| Northern Rough-winged Swallow | Stelgidopteryx serripennis | |
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| Bushtit | Psaltriparus minimus | |
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| Ruby-crowned Kinglet | Regulus calendula | |
| Golden-crowned Kinglet | Regulus satrapa | |
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| Cedar Waxwing | Bombycilla cedrorum | |
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| American Treecreeper | Certhia americana | |
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| Red-breasted Nuthatch | Sitta canadensis | |
| White-breasted Nuthatch | Sitta carolinensis | |
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| Pacific Wren | Troglodytes pacificus | |
| House Wren | Troglodytes aedon | |
| Marsh Wren | Cistothorus palustris | |
| Bewick's Wren | Thryomanes bewickii | |
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| Blue-gray Gnatcatcher | Polioptila caerulea | |
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| Northern Mockingbird | Mimus polyglottos | |
| Sage Thrasher | Oreoscoptes montanus | |
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| Common Starling | Sturnus vulgaris | Introduced species |
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| American Dipper | Cinclus mexicanus | |
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| Western Bluebird | Sialia mexicana | |
| Mountain Bluebird | Sialia currucoides | |
| Townsend's Solitaire | Myadestes townsendi | |
| Varied Thrush | Ixoreus naevius | |
| Swainson's Thrush | Catharus ustulatus | |
| Hermit Thrush | Catharus guttatus | |
| American Robin | Turdus migratorius | |
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