Black-bellied Whistling Duck (Dendrocygna autumnalis) - The Black-bellied Whistling Duck (Dendrocygna autumnalis) is an unusual species among North American waterfowl, and considered to be one of the 'tree ducks'.
Description: Black-bellied Whistling Duck (Dendrocygna autumnalis) - The Black-bellied Whistling Duck (Dendrocygna autumnalis) is an unusual species among North American waterfowl, and considered to be one of the 'tree ducks'.
