species
3.
species
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species
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species
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296.
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429.
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432.
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464.
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502.
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636.
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669.
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673.
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species
677.
Ring-necked Duck x scaup sp. (hybrid)
Ross's x Cackling Goose (hybrid)
Snow x Cackling Goose (hybrid)
Canvasback x Ring-necked Duck (hybrid)
Gadwall x Mallard (hybrid)
Cinnamon x Green-winged Teal (hybrid)
Rufous x Allen's Hummingbird (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Dark-eyed Junco x White-throated Sparrow (hybrid)
Snow x Canada Goose (hybrid)
Northern x Tropical Parula (hybrid)
White-crowned x White-throated Sparrow (hybrid)
Snow x Ross's Goose (hybrid)
Altamira x Audubon's Oriole (hybrid)
Spotted x Eastern Towhee (hybrid)
Common Black x Red-shouldered Hawk (hybrid)
Wood Duck x Mallard (hybrid)
Mallard x Northern Pintail (hybrid)
Red-crowned x Red-lored Amazon (hybrid)
American Herring x Lesser Black-backed Gull (hybrid)
Redhead x scaup sp. (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
Tufted Duck x scaup sp. (hybrid)
Redhead x Ring-necked Duck (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Cinnamon Teal x Northern Shoveler (hybrid)
Greater White-fronted x Canada Goose (hybrid)
Ring-necked Duck x Lesser Scaup (hybrid)
Magnolia x Yellow-rumped Warbler (hybrid)
American Herring x Glaucous Gull (hybrid)
Anna's x Broad-billed Hummingbird (hybrid)
Muscovy Duck x Mallard (hybrid)
Swan Goose x Canada Goose (hybrid)
Red-shouldered x Red-tailed Hawk (hybrid)
Mexican x Mottled Duck (hybrid)
Downy x Hairy Woodpecker (hybrid)
Common x Barrow's Goldeneye (hybrid)
Snow/Ross's x Cackling/Canada Goose (hybrid)
Graylag x Swan Goose (hybrid)
Graylag x Canada Goose (hybrid)
Anna's x Calliope Hummingbird (hybrid)
Downy x Nuttall's Woodpecker (hybrid)
Red-naped x Red-breasted Sapsucker (hybrid)
American Wigeon x Mallard (hybrid)
American Herring x Great Black-backed Gull (hybrid)
Black-capped x Mountain Chickadee (hybrid)
Yellow-bellied x Red-naped Sapsucker (hybrid)
Carolina x Black-capped Chickadee (hybrid)
Mallard x Hawaiian Duck (hybrid)
Snow x Greater White-fronted Goose (hybrid)
Glaucous x Glaucous-winged Gull (hybrid)
American Herring x Glaucous-winged Gull (hybrid)
Eurasian x American Wigeon (hybrid)
Snow Goose x Brant (hybrid)
American x Black Oystercatcher (hybrid)
Blue-winged x Cinnamon Teal (hybrid)
Mallard x Mexican Duck (hybrid)
Western x Glaucous-winged Gull (hybrid)
Tufted x Black-crested Titmouse (hybrid)
Mallard x American Black Duck (hybrid)
Mallard x Mottled Duck (hybrid)
Black-bellied Plover/golden-plover sp.
Orchard/Hooded Oriole
Sooty/Short-tailed Shearwater
estrildid finch sp.
Western/Semipalmated Sandpiper
merganser sp.
Cassin's/Western Kingbird
Blue-winged/Cinnamon Teal
tanager sp. (Piranga sp.)
American Black/Mottled Duck
Myiarchus sp.
Northern/Tropical Parula
Broad-winged/Red-shouldered Hawk
Louisiana/Northern Waterthrush
Canyon/Abert's Towhee
bluebird sp.
Rock/Band-tailed Pigeon
Red-naped/Red-breasted Sapsucker
moorhen/coot/gallinule sp.
American Herring/Glaucous-winged Gull
Cooper's Hawk/American Goshawk
Boat-tailed/Great-tailed Grackle
Thick-billed/Common Murre
California/Gambel's Quail
Psittacara sp.
Passerina sp.
white-winged gull sp.
rail/crake sp.
Bohemian/Cedar Waxwing
Dark-eyed/Yellow-eyed Junco
Oak/Juniper Titmouse (Plain Titmouse)
nighthawk sp.
Great/Double-crested Cormorant
Glossy/White-faced Ibis
Forster's/Common Tern
Spizella sp./American Tree Sparrow
Sturnella meadowlark sp.
Eurasian/African Collared-Dove
Yellow-bellied/Red-naped Sapsucker
American Herring/Iceland Gull
Spotted/Eastern Towhee (Rufous-sided Towhee)
Tropical/Couch's Kingbird
Pacific/Winter Wren
Brown/Long-billed Thrasher
Parasitic/Pomarine Jaeger
Western/Eastern Cattle-Egret
California/Woodhouse's Scrub-Jay
Yellow-crowned/Black-crowned Night Heron
yellow-bellied kingbird sp.
Curve-billed/Bendire's Thrasher
storm-petrel sp. (white-rumped)
small falcon sp.
Red-crowned/Lilac-crowned Amazon
Sagebrush/Bell's Sparrow (Sage Sparrow)
Nuttall's/Ladder-backed Woodpecker
White-crowned/White-throated Sparrow
Common/Barrow's Goldeneye
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Lesser/Greater Yellowlegs
parakeet sp.
parrot sp.
large falcon sp.
Ruby-throated/Black-chinned Hummingbird
Loggerhead/Northern Shrike
Townsend's/Hermit Warbler
Calidris sp.
Golden-fronted/Red-bellied Woodpecker
Mitred/Red-masked Parakeet
Red-winged/Tricolored Blackbird
House/Eurasian Tree Sparrow
lovebird sp.
Accipitrine hawk sp. (former Accipiter sp.)
Common/Red-breasted Merganser
shorebird sp.
pigeon/dove sp.
Tree/Violet-green Swallow
Trumpeter/Tundra Swan
Mallard/American Black Duck
Anna's/Costa's Hummingbird
Western/Glaucous-winged Gull
Ruby-crowned/Golden-crowned Kinglet
nuthatch sp.
Bronzed/Brown-headed Cowbird
Northern Cardinal/Pyrrhuloxia
Selasphorus sp.
woodpecker sp.
Domestic goose sp. (Domestic type)
Double-crested/Neotropic Cormorant
Sharp-shinned/Cooper's Hawk
Greater/Lesser Scaup
Carolina/Black-capped Chickadee
Western/Eastern Meadowlark
Short-billed/Long-billed Dowitcher
Black-capped/Mountain Chickadee
new world warbler sp.
Rufous/Allen's Hummingbird
amazon sp.
Varied Thrush/American Robin
Downy/Ladder-backed Woodpecker
Tufted/Black-crested Titmouse
Western/Chihuahuan Meadowlark
passerine sp.