Black-bellied Whistling-Duck

The Black-bellied Whistling Duck (Dendrocygna autumnalis), formerly also called Black-bellied Tree Duck, is a whistling duck that breeds from the southernmost United States and tropical Central to south-central South America. In the USA, it can be found year-round in parts of southeast Texas, and seasonally in southeast Arizona, and Louisiana's Gulf Coast. It is a rare breeder in such disparate locations as Florida, Arkansas, Georgia and South Carolina.

Description
Medium-sized, long-legged, very long-necked duck. Bill length ¾ head length; sloping forehead to shallow crown; adult has a rose-pink bill and feet; juveniles have dusky bill and feet. undefined

Similar species
Told apart from the Fulvous Whistling Duck by greyish (not tawny) head and neck and plain back.