Mallard x American Black Duck (hybrid)
Greater/Lesser Yellowlegs
Sharp-shinned/Cooper's Hawk
Common/Red-breasted Merganser
warbler sp. (Parulidae sp.)
flycatcher sp. (Tyrannidae sp.)
Philadelphia/Warbling Vireo
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Common/Barrow's Goldeneye
Domestic goose sp. (Domestic type) x Canada Goose (hybrid)
Yellow-billed/Black-billed Cuckoo
Short-billed/Long-billed Dowitcher
Alder/Willow Flycatcher (Traill's Flycatcher)
species
246.
Gray-cheeked/Bicknell's Thrush