Black-bellied Whistling Duck
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Dendrocygna autumnalis
Found in parts of Mexico & the Southern USA.
Adults have a long pink bill, long head and longish legs, pale gray head and mostly gray-brown plumage.
The belly and tail are black, and the body plumage, back of the neck and cap are a rich chestnut brown.
The face and upper neck are gray, and they sport a thin but distinct white eye-ring.
The extensive white in the wings is obvious in flight, less so on the ground; it is formed by the secondary remiges while the primaries are black; the wing coverts are brown.
Males and Females look alike; Juveniles are similar but have a grey bill and less contrasting belly.
As the name implies, these are noisy birds with a clear whistling waa-chooo call.