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Native and Naturalized (736)
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Exotic: Provisional (13)
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Exotic: Escapee (8)
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Hybrids (27)
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaDetails:
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraDetails:
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihi
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisDetails:
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisDetails:
- Black-capped x Mountain Chickadee (hybrid) Poecile atricapillus x gambeli
- Common Black x Red-shouldered Hawk (hybrid) Buteogallus anthracinus x Buteo lineatusDetails:
- Mallard x Hawaiian Duck (hybrid) Anas platyrhynchos x wyvilliana
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruber
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchos
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisDetails:
- Graylag x Swan Goose (hybrid) Anser anser x cygnoidesDetails:
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
- Scaled x Gambel's Quail (hybrid) Callipepla squamata x gambeliiDetails:
- Black x Eastern Phoebe (hybrid) Sayornis nigricans x phoebeDetails:
- Mallard x Mottled Duck (hybrid) Anas platyrhynchos x fulvigula
- Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillus
- Tufted x Black-crested Titmouse (hybrid) Baeolophus bicolor x atricristatus
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaDetails:
- Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diazi
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Details:
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisDetails:
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraDetails:
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescens
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Details:
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
Additional Taxa (201)
- Ring-necked/Green Pheasant Phasianus colchicus/versicolor
- tropicbird sp. Phaethon sp.
- Sooty/Short-tailed Shearwater Ardenna grisea/tenuirostris
- procellariid sp. Procellariidae sp.
- White-winged/Yellow-chevroned Parakeet Brotogeris versicolurus/chiririDetails:
- Horned/Eared Grebe Podiceps auritus/nigricollis
- Thick-billed/Common Murre Uria lomvia/aalge
- Arctic/Pacific Loon Gavia arctica/pacifica
- eagle sp. Accipitridae sp. (eagle sp.)
- merganser sp. Mergellus/Lophodytes/Mergus sp.Details:
- Lonchura sp. Lonchura sp.Details:
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratorius
- Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterus
- pewee sp. (Contopus sp.) Contopus sp.Details:
- Snow/Ross's Goose Anser caerulescens/rossiiDetails:
- Loggerhead/Northern Shrike Lanius ludovicianus/borealis
- towhee sp. Melozone/Pipilo sp.
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruber
- Brown/Black Noddy Anous stolidus/minutus
- large rail sp. Rallus sp. (large Rallus sp.)Details:
- booby sp. Sula sp.
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiDetails:
- longspur sp. Calcarius/Rhynchophanes sp.
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
- grouse sp. Tetraoninae sp.
- golden-plover sp. Pluvialis dominica/apricaria/fulva
- Mallard/Hawaiian Duck Anas platyrhynchos/wyvilliana
- rosy-finch sp. Leucosticte sp.
- whistling-duck sp. Dendrocygna sp.
- new world quail sp. Odontophoridae sp.
- Downy/Ladder-backed Woodpecker Dryobates pubescens/scalaris
- Sturnella meadowlark sp. Sturnella sp.
- redpoll sp. Acanthis sp.
- Anser sp. Anser sp.Details:
- Golden-fronted/Red-bellied Woodpecker Melanerpes aurifrons/carolinus
- nighthawk sp. Chordeiles sp.
- crow/raven sp. Corvus sp.Details:
- chickadee sp. Poecile sp.
- waterfowl sp. Anatidae sp.
- Summer/Scarlet Tanager Piranga rubra/olivacea
- lovebird sp. Agapornis sp.Details:
- California/Gambel's Quail Callipepla californica/gambelii
- Anna's/Costa's Hummingbird Calypte anna/costae
- parakeet sp. Psittaciformes sp. (parakeet sp.)
- Common/Wilson's Snipe Gallinago gallinago/delicata
- Gray/Dusky Flycatcher Empidonax wrightii/oberholseriDetails:
- Herring/Glaucous-winged Gull Larus argentatus/glaucescens
- Western/Chihuahuan Meadowlark Sturnella neglecta/lilianae
- Mexican/Mottled Duck Anas diazi/fulvigula
- Common/Barrow's Goldeneye Bucephala clangula/islandica
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulva
- Black-bellied Plover/golden-plover sp. Pluvialis sp.
- Toxostoma sp. Toxostoma sp.
- Acanthis/Spinus sp. Acanthis/Spinus sp.
- Northern Cardinal/Pyrrhuloxia Cardinalis cardinalis/sinuatus
- large tern sp. Hydroprogne/Thalasseus sp.
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
- Psittacara sp. Psittacara sp.Details:
- Bronzed/Brown-headed Cowbird Molothrus aeneus/ater
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillus
- Common/Hoary Redpoll Acanthis flammea/hornemanni
- Elegant/Royal Tern Thalasseus elegans/maximus
- Calidris sp. Calidris sp.
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
- King/Clapper Rail Rallus elegans/crepitansDetails:
- shearwater sp. Procellariidae sp. (shearwater sp.)
- bluebird sp. Sialia sp.
- new world goldfinch sp. Spinus sp. (goldfinch sp.)
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
- Trumpeter/Tundra Swan Cygnus buccinator/columbianus
- Mitred/Red-masked Parakeet Psittacara mitratus/erythrogenysDetails:
- teal sp. Anatidae sp. (teal sp.)
- large falcon sp. Falco sp. (large falcon sp.)
- Surf/Black Scoter Melanitta perspicillata/americana
- large alcid sp. Alca/Uria sp.
- American/Fish Crow Corvus brachyrhynchos/ossifragus
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
- small falcon sp. Falco sp. (small falcon sp.)Details:
- phalarope sp. Phalaropus sp.
- jaeger sp. Stercorarius sp. (jaeger sp.)
- Common/Arctic Tern Sterna hirundo/paradisaea
- Tropical/Couch's Kingbird Tyrannus melancholicus/couchii
- rail/crake sp. Rallidae sp. (rail/crake sp.)Details:
- new world vulture sp. Cathartidae sp.
- finch sp. Fringillidae sp.Details:
- Tyrannus sp. Tyrannus sp.Details:
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusDetails:
- Spizella sp. Spizella sp.Details:
- swift sp. Apodidae sp.
- small plover sp. Charadrius/Anarhynchus sp.
- gnatcatcher sp. Polioptila sp.
- Mallard/Mottled Duck Anas platyrhynchos/fulvigula
- nuthatch sp. Sitta sp.
- scoter sp. Melanitta sp.
- cormorant sp. Phalacrocoracidae sp.Details:
- Purple/Cassin's Finch Haemorhous purpureus/cassinii
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalus
- swan sp. Cygnus sp.
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacuta
- loon sp. Gavia sp.
- Cliff/Cave Swallow Petrochelidon pyrrhonota/fulva
- Tufted/Black-crested Titmouse Baeolophus bicolor/atricristatus
- House/Eurasian Tree Sparrow Passer domesticus/montanus
- Common/Red-breasted Merganser Mergus merganser/serrator
- Forster's/Common Tern Sterna forsteri/hirundo
- Western/Eastern Wood-Pewee Contopus sordidulus/virens
- House/Purple Finch Haemorhous mexicanus/purpureus
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)
- wren sp. Troglodytidae sp.
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalis
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
- Passerina sp. Passerina sp.
- thrush sp. Turdidae sp.
- Lazuli/Indigo Bunting Passerina amoena/cyanea
- Boat-tailed/Great-tailed Grackle Quiscalus major/mexicanus
- grackle sp. Quiscalus sp.
- Selasphorus sp. Selasphorus sp.
- Tree/Violet-green Swallow Tachycineta bicolor/thalassina
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatus
- white egret sp. Egretta/Bubulcus/Ardea sp.Details:
- Northern/Gilded Flicker Colaptes auratus/chrysoidesDetails:
- falcon sp. Falco sp.
- jay sp. Corvidae sp. (jay sp.)
- Curve-billed/Bendire's Thrasher Toxostoma curvirostre/bendirei
- Western/Eastern Meadowlark Sturnella neglecta/magna
- large parakeet sp. (former Aratinga sp.) Eupsittula/Aratinga/Thectocercus/Psittacara sp.
- grebe sp. Podicipedidae sp.Details:
- Nuttall's/Ladder-backed Woodpecker Dryobates nuttallii/scalarisDetails:
- raven sp. Corvus sp. (raven sp.)
- hawk sp. Accipitridae sp. (hawk sp.)
- Oak/Juniper Titmouse (Plain Titmouse) Baeolophus inornatus/ridgwayi
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriDetails:
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusDetails:
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiDetails:
- Amazona sp. Amazona sp.Details:
- Myiarchus sp. Myiarchus sp.
- tanager sp. (Piranga sp.) Piranga sp.
- parrot sp. Psittaciformes sp. (parrot sp.)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkii
- Glossy/White-faced Ibis Plegadis falcinellus/chihi
- Canyon/Abert's Towhee Melozone fusca/aberti
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliDetails:
- Accipiter sp. Accipiter sp.
- Black-capped/Mountain Chickadee Poecile atricapillus/gambeli
- new world oriole sp. Icterus sp.
- Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
- Mallard/Mexican Duck Anas platyrhynchos/diazi
- dabbling duck sp. Anatidae sp. (dabbling duck sp.)
- Aythya sp. Aythya sp.
- Cassin's/Western Kingbird Tyrannus vociferans/verticalis
- Mallard/American Black Duck Anas platyrhynchos/rubripesDetails:
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianum
- Greater/Lesser Scaup Aythya marila/affinisDetails:
- gull/tern sp. Laridae sp.
- alcid sp. Alcidae sp.
- Western/Semipalmated Sandpiper Calidris mauri/pusillaDetails:
- tern sp. Sterninae sp.
- Coccyzus sp. Coccyzus sp.Details:
- Bullock's/Baltimore Oriole Icterus bullockii/galbula
- sapsucker sp. Sphyrapicus sp.Details:
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
- Rufous/Allen's Hummingbird Selasphorus rufus/sasin
- Western/Glaucous-winged Gull Larus occidentalis/glaucescens
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
- Larus sp. Larus sp.
- vireo sp. Vireo sp.
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraDetails:
- Cackling/Canada Goose Branta hutchinsii/canadensis
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
- Downy/Hairy Woodpecker Dryobates pubescens/villosus
- diurnal raptor sp. Accipitriformes/Falconiformes sp.
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
- Empidonax sp. Empidonax sp.
- blackbird sp. Icteridae sp.
- Cassin's/Plumbeous Vireo Vireo cassinii/plumbeus
- Sterna sp. Sterna sp.Details:
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
- Buteo sp. Buteo sp.
- owl sp. Strigiformes sp.Details:
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
- crow sp. Corvus sp. (crow sp.)
- woodpecker sp. Picidae sp.
- Catharus sp. Catharus sp.Details:
- heron sp. Ardeidae sp.
- hummingbird sp. Trochilidae sp.Details:
- peep sp. Calidris sp. (peep sp.)
- swallow sp. Hirundinidae sp.
- goose sp. Anatidae (goose sp.)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusDetails:
- gull sp. Larinae sp.
- shorebird sp. Charadriiformes sp.Details:
- pigeon/dove sp. Columbidae sp.
- new world flycatcher sp. Tyrannidae sp.
- duck sp. Anatidae (duck sp.)Details:
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaDetails:
- new world sparrow sp. Passerellidae sp.Details:
- new world warbler sp. Parulidae sp.
- passerine sp. Passeriformes sp.Details:
- bird sp. Aves sp.Details: