species
161.
species
222.
species
285.
species
286.
species
287.
species
288.
species
289.
species
291.
species
292.
species
293.
species
295.
species
296.
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297.
species
299.
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300.
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301.
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303.
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305.
species
307.
Mallard x American Black Duck (hybrid)
Herring x Great Black-backed Gull (hybrid)
Wood Duck x Hooded Merganser (hybrid)
Graylag x Canada Goose (hybrid)
Dunlin x White-rumped Sandpiper (hybrid)
Snow x Ross's Goose (hybrid)
American Wigeon x Mallard (hybrid)
Blue-winged Teal x Northern Shoveler (hybrid)
Mallard x Northern Pintail (hybrid)
Brewster's Warbler (hybrid)
American Wigeon x Green-winged Teal (hybrid)
Alder/Willow Flycatcher (Traill's Flycatcher)
Philadelphia/Warbling Vireo
Greater/Lesser Yellowlegs
Black-bellied Plover/golden-plover sp.
Short-billed/Long-billed Dowitcher
Domestic goose sp. (Domestic type)
Sharp-shinned/Cooper's Hawk
Mallard/American Black Duck
Yellow-billed/Black-billed Cuckoo
Common/Red-breasted Merganser
Ruby-crowned/Golden-crowned Kinglet
Golden-winged/Blue-winged Warbler