species
120.
species
124.
species
147.
species
156.
species
163.
species
164.
species
173.
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183.
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184.
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207.
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531.
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538.
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541.
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560.
Mallard x Mexican Duck (hybrid)
Glossy x White-faced Ibis (hybrid)
Scaled x Gambel's Quail (hybrid)
Northern Cardinal x Pyrrhuloxia (hybrid)
Black-capped x Mountain Chickadee (hybrid)
Redhead x Ring-necked Duck (hybrid)
Snow x Canada Goose (hybrid)
Graylag x Swan Goose (hybrid)
Eurasian x American Wigeon (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
Bullock's x Baltimore Oriole (hybrid)
Black x Eastern Phoebe (hybrid)
Western x Clark's Grebe (hybrid)
Lazuli x Indigo Bunting (hybrid)
Brewster's Warbler (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Ross's x Cackling Goose (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Redhead x scaup sp. (hybrid)
Snow x Ross's Goose (hybrid)
Spotted x Eastern Towhee (hybrid)
Townsend's x Hermit Warbler (hybrid)
Dark-eyed x Yellow-eyed Junco (hybrid)
Gadwall x Northern Pintail (hybrid)
Herring x Glaucous-winged Gull (hybrid)
American Wigeon x Mallard (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Gadwall x Mallard (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Green-tailed x Spotted Towhee (hybrid)
Golden-fronted x Red-bellied Woodpecker (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Snow x Cackling Goose (hybrid)
White-crowned x Harris's Sparrow (hybrid)
Rose-breasted x Black-headed Grosbeak (hybrid)
MacGillivray's x Mourning Warbler (hybrid)
Yellow x Black-throated Blue Warbler (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Ring-necked Duck x Lesser Scaup (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Snow x Greater White-fronted Goose (hybrid)
Mallard x Northern Pintail (hybrid)
Bufflehead x Hooded Merganser (hybrid)
Gadwall x American Wigeon (hybrid)
Graylag x Canada Goose (hybrid)
Calliope x Rufous Hummingbird (hybrid)
Western x Flame-colored Tanager (hybrid)
Western x Eastern Meadowlark (hybrid)
Lawrence's Warbler (hybrid)
Golden-winged x Blue-winged Warbler (hybrid)
Western/Chihuahuan Meadowlark
Sharp-shinned/Cooper's Hawk
white-winged gull sp.
Double-crested/Neotropic Cormorant
Domestic goose sp. (Domestic type)
Greater/Lesser Scaup
Cassin's/Western Kingbird
new world warbler sp.
passerine sp.
Cliff/Cave Swallow
shorebird sp.
Lesser/Greater Yellowlegs
Eastern/Mexican Whip-poor-will
new world flycatcher sp.
Curve-billed/Bendire's Thrasher
Northern Cardinal/Pyrrhuloxia
Glossy/White-faced Ibis
Yellow-bellied/Red-naped Sapsucker
Bronzed/Brown-headed Cowbird
Black-capped/Mountain Chickadee
crow/raven sp.
yellow-bellied kingbird sp.
Blue-winged/Cinnamon Teal
rosy-finch sp.
Downy/Ladder-backed Woodpecker
large falcon sp.
Common/Red-breasted Merganser
new world quail sp.
Sturnella meadowlark sp.
Horned/Eared Grebe
Common/Barrow's Goldeneye
Short-billed/Long-billed Dowitcher
Zonotrichia sp.
Loggerhead/Northern Shrike
Downy/Hairy Woodpecker
longspur sp.
Trumpeter/Tundra Swan
chickadee sp.
Pacific/Winter Wren
Bridled/Juniper Titmouse
Myiarchus sp.
Rufous/Allen's Hummingbird
Red-naped/Red-breasted Sapsucker
Spotted/Eastern Towhee (Rufous-sided Towhee)
jaeger sp.
Black-bellied Plover/golden-plover sp.
Hammond's/Dusky Flycatcher
Spizella sp./American Tree Sparrow
White-crowned/White-throated Sparrow
solitary vireo sp.
Rose-breasted/Black-headed Grosbeak
Selasphorus sp.
Lazuli/Indigo Bunting
vireo sp.
new world oriole sp.
Western/Eastern Wood-Pewee
Chimney/Vaux's Swift
tanager sp. (Piranga sp.)
Passerina sp.
nighthawk sp.
Cassin's/Blue-headed Vireo
Red/Red-necked Phalarope
Louisiana/Northern Waterthrush
Hepatic/Summer Tanager
Forster's/Common Tern
Bullock's/Baltimore Oriole
Setophaga sp.
Alder/Willow Flycatcher (Traill's Flycatcher)
pewee sp. (Contopus sp.)
Western/Semipalmated Sandpiper
Gray/Dusky Flycatcher
crossbill sp.
Tree/Violet-green Swallow
Western/Eastern Meadowlark
MacGillivray's/Mourning Warbler
Scolopacidae sp.
cormorant sp.
Chaetura sp.
Toxostoma sp.
nightjar sp.
rail/crake sp.
waterfowl sp.
thrush sp.
Laughing/Franklin's Gull
Ruby-throated/Black-chinned Hummingbird
cuckoo sp. (Cuculidae sp.)
Cooper's Hawk/American Goshawk
Tyrannus sp.
Yellow-crowned/Black-crowned Night Heron
Dark-eyed/Yellow-eyed Junco
Golden-fronted/Red-bellied Woodpecker
Arctic/Pacific Loon
Tropical/Couch's Kingbird
Tachycineta sp.
Leiothlypis sp.
gull/tern sp.
Buteo/eagle sp.
Herring/Lesser Black-backed Gull
Common/Ruddy Ground Dove
merganser sp.
Bay-breasted/Blackpoll Warbler
Rusty/Brewer's Blackbird
Purple/Cassin's Finch
Ammospiza sp.
Yellow-billed/Black-billed Cuckoo
screech-owl sp.
large shorebird sp.
Brown/Long-billed Thrasher
Sedge/Marsh Wren
Townsend's/Hermit Warbler
Philadelphia/Warbling Vireo
Eurasian/African Collared-Dove
Ruby-crowned/Golden-crowned Kinglet
nuthatch sp.
Grasshopper/Baird's Sparrow
Streptopelia sp.
Melanerpes sp.
ground dove/Inca Dove
Haemorhous sp.
Lincoln's/Swamp Sparrow
large parakeet sp. (former Aratinga sp.)
small swift sp.
parrot sp.
Coccyzus sp.