This beautiful bird is a fulvous whistling duck, native to the tropics of India, East Africa, Central and South America, south Florida and coastal Texas.
Fulvous is a color: dull reddish-yellow, brownish yellow or tawny.
You can see how he got his name.
(photo by Branko Kannenberg on Wikimedia Commons. This photo was a finalist for Picture of the Year 2009. Click on the photo to see the original)