Duck (Black Bellied Whistling)

The Black-bellied Whistling-Duck is only in the very southern parts of the United States. Its long neck, long legs, black belly, and white wing patch make it a distinctive-looking waterfowl.

The whistling-ducks were formerly known as tree-ducks, but only a few, such as the Black-bellied Whistling-Duck actually perch or nest in trees.

They look most like ducks, but their lack of sexual dimorphism, relatively long-term pair bonds, and lack of complex pair-forming behavior more resembles geese and swans.

Photographed at Pheonix Zoo in Arizona
Photographed at Desert Museum Aviary in Tuson, AZ