Black-bellied Whistling Duck
Dendrocygna autumnalis

f10 @ 1/1000s, ISO:1250, Nikon D300S w 500mm

"Black-bellied Whistling Duck," Wikipedia, the free encyclopedia.The Black-bellied Whistling Duck, 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. There is a large population of several hundred that winter each year in Audubon Park in uptown New Orleans, Louisiana. Since it is one of only two whistling-duck species native to North America, it is occasionally just known as the "whistling duck" in the southern USA.
Brazos Bend State Park, Needville, Texas