species
91.
species
104.
species
158.
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169.
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Mallard x Mexican Duck (hybrid)
Graylag x Canada Goose (hybrid)
Muscovy Duck x Mallard (hybrid)
Townsend's x Hermit Warbler (hybrid)
Glossy x White-faced Ibis (hybrid)
Lazuli x Indigo Bunting (hybrid)
Graylag x Swan Goose (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Canyon x Abert's Towhee (hybrid)
Anna's x Broad-billed Hummingbird (hybrid)
Anna's x Costa's Hummingbird (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
American Wigeon x Green-winged Teal (hybrid)
Northern Cardinal x Pyrrhuloxia (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Mallard x Northern Pintail (hybrid)
Western x Clark's Grebe (hybrid)
Eurasian x American Wigeon (hybrid)
Yellow-rumped x Townsend's Warbler (hybrid)
Ring-necked Duck x Lesser Scaup (hybrid)
American Wigeon x Mallard (hybrid)
Mountain x Mexican Chickadee (hybrid)
Northern x Gilded Flicker (hybrid)
Scaled x Gambel's Quail (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Bullock's x Baltimore Oriole (hybrid)
Broad-billed x Violet-crowned Hummingbird (hybrid)
Western x Flame-colored Tanager (hybrid)
Lucifer x Black-chinned Hummingbird (hybrid)
Black-chinned x Broad-tailed Hummingbird (hybrid)
Calliope x Rufous Hummingbird (hybrid)
Black-chinned x Calliope Hummingbird (hybrid)
Black-chinned x Broad-billed Hummingbird (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Snow x Ross's Goose (hybrid)
Gadwall x Mallard (hybrid)
Canvasback x Ring-necked Duck (hybrid)
Black-chinned x Costa's Hummingbird (hybrid)
Summer x Western Tanager (hybrid)
Rose-breasted x Black-headed Grosbeak (hybrid)
Anna's x Rufous Hummingbird (hybrid)
Lucifer x Costa's Hummingbird (hybrid)
Gadwall x American Wigeon (hybrid)
Grasshopper x Savannah Sparrow (hybrid)
Red-tailed x Rough-legged Hawk (hybrid)
Ring-necked Duck x scaup sp. (hybrid)
Redhead x Ring-necked Duck (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Rivoli's x Berylline Hummingbird (hybrid)
Black-throated Gray x Townsend's Warbler (hybrid)
White-crowned x Golden-crowned Sparrow (hybrid)
Fischer's x Yellow-collared Lovebird (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Swan Goose x Canada Goose (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Black-chinned x Anna's Hummingbird (hybrid)
Rufous x Allen's Hummingbird (hybrid)
Gadwall x Northern Pintail (hybrid)
Ring-necked Duck x Greater Scaup (hybrid)
Common x Barrow's Goldeneye (hybrid)
Anna's Hummingbird x Selasphorus sp. (hybrid)
Wood Duck x Mallard (hybrid)
Canvasback x Redhead (hybrid)
Painted x Slate-throated Redstart (hybrid)
Mexican x Mottled Duck (hybrid)
Redhead x Greater Scaup (hybrid)
Cinnamon x Green-winged Teal (hybrid)
Eurasian Collared-Dove x Mourning Dove (hybrid)
Herring x Glaucous-winged Gull (hybrid)
Northern Shoveler x Mallard (hybrid)
Western Kingbird x Scissor-tailed Flycatcher (hybrid)
Snow x Cackling Goose (hybrid)
Lucifer x Anna's Hummingbird (hybrid)
Hepatic x Flame-colored Tanager (hybrid)
Black-tailed x Black-capped Gnatcatcher (hybrid)
Green-tailed x Spotted Towhee (hybrid)
new world warbler sp.
Bronzed/Brown-headed Cowbird
Double-crested/Neotropic Cormorant
Curve-billed/Bendire's Thrasher
Domestic goose sp. (Domestic type)
Cassin's/Western Kingbird
Anna's/Costa's Hummingbird
Bridled/Juniper Titmouse
yellow-bellied kingbird sp.
passerine sp.
Rufous/Allen's Hummingbird
woodpecker sp.
Sharp-shinned/Cooper's Hawk
Northern Cardinal/Pyrrhuloxia
bluebird sp.
tanager sp. (Piranga sp.)
screech-owl sp.
Hammond's/Dusky Flycatcher
Rose-breasted/Black-headed Grosbeak
Selasphorus sp.
Tree/Violet-green Swallow
Western/Chihuahuan Meadowlark
Toxostoma sp.
phalarope sp.
Blue-winged/Cinnamon Teal
Yellow-bellied/Red-naped Sapsucker
Tachycineta sp.
Horned/Eared Grebe
Lesser/Greater Yellowlegs
Eurasian/African Collared-Dove
shorebird sp.
Dark-eyed/Yellow-eyed Junco
Black-bellied Plover/golden-plover sp.
small falcon sp.
Streptopelia sp.
Short-billed/Long-billed Dowitcher
Townsend's/Hermit Warbler
Common/Red-breasted Merganser
parrot sp.
Bullock's/Baltimore Oriole
Haemorhous sp.
Chimney/Vaux's Swift
Grasshopper/Baird's Sparrow
parakeet sp.
longspur sp.
mimid sp.
Common/Barrow's Goldeneye
Sagebrush/Bell's Sparrow (Sage Sparrow)
merganser sp.
Louisiana/Northern Waterthrush
Western/Semipalmated Sandpiper
Cooper's Hawk/American Goshawk
Pacific/Winter Wren
Common/Ruddy Ground Dove
Tropical/Couch's Kingbird
Red-naped/Red-breasted Sapsucker
Setophaga sp.
Loggerhead/Northern Shrike
Cassin's/Blue-headed Vireo
Buteo/eagle sp.
Trumpeter/Tundra Swan
Parasitic/Pomarine Jaeger
moorhen/coot/gallinule sp.
new world martin sp. (Progne sp.)
Pheucticus sp.
Forster's/Common Tern
large shorebird sp.
Ruby-crowned/Golden-crowned Kinglet
cuckoo sp. (Cuculidae sp.)
storm-petrel sp.
storm-petrel sp. (dark-rumped)
storm-petrel sp. (white-rumped)
Alder/Willow Flycatcher (Traill's Flycatcher)
frigatebird sp.
Red/Red-necked Phalarope
nuthatch sp.
Ruby-throated/Black-chinned Hummingbird
pygmy-owl/saw-whet owl sp.
Northern/Tropical Parula
Hepatic/Summer Tanager
Western/Eastern Wood-Pewee
Acanthis/Spinus sp.
nightjar sp.
curlew sp.
Golden/Bald Eagle
Zonotrichia sp.
Sturnella meadowlark sp.
Purple/Cassin's Finch
Lincoln's/Swamp Sparrow
Bohemian/Cedar Waxwing
Long-eared/Short-eared Owl
Philadelphia/Warbling Vireo
chickadee sp.
Shiny/Brown-headed Cowbird
crossbill sp.
Cliff/Cave Swallow
kingfisher sp.
Common/Arctic Tern
large tern sp.
Ridgway's/Mangrove/Clapper Rail
lovebird sp.
Rusty/Brewer's Blackbird
pheasant sp.
Eurasian/American Wigeon
Herring/Iceland Gull
small swift sp.
Tyrannus sp.
Lesser/Greater Roadrunner
California/Gambel's Quail
old world quail sp.
Ammospiza sp.
Chaetura sp.
MacGillivray's/Mourning Warbler
Scolopacidae sp.
Black-throated/White-throated Magpie-Jay
rail/crake sp.
Ash-throated/Nutting's Flycatcher
Laughing/Franklin's Gull
large swift sp.
rosy-finch sp.
Downy/Ladder-backed Woodpecker
Botteri's/Cassin's Sparrow
large rail sp.
Black-throated Gray/Hermit Warbler
Long-tailed/Parasitic Jaeger
Melanerpes sp.
Glaucidium sp.
golden-plover sp.
Myioborus sp.
Philadelphia/Red-eyed Vireo
Orchard/Hooded Oriole
small plover sp.
Red-winged/Tricolored Blackbird
Spotted/Eastern Towhee (Rufous-sided Towhee)
Podiceps sp.
Eastern/Mexican Whip-poor-will
Common/Wilson's Snipe
Connecticut/MacGillivray's/Mourning Warbler
American/Pacific Golden-Plover (Lesser Golden-Plover)
Oak/Juniper Titmouse (Plain Titmouse)
House/Purple Finch
Yellow-crowned/Black-crowned Night Heron