Mallard x American Black Duck (hybrid)
Graylag x Swan Goose (hybrid)
Nelson's x Saltmarsh Sparrow (hybrid)
Brant x Cackling Goose (hybrid)
Great/Double-crested Cormorant
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
Sharp-shinned/Cooper's Hawk
Bay-breasted/Blackpoll Warbler
Philadelphia/Warbling Vireo
Alder/Willow Flycatcher (Traill's Flycatcher)
Louisiana/Northern Waterthrush
Common/Red-breasted Merganser
Mallard/American Black Duck
Ruby-crowned/Golden-crowned Kinglet
Black-crowned/Yellow-crowned Night-Heron