The whistling tree duck According to Ducks Unlimited, black-bellied whistling ducks are “long-legged, long-necked and the most erect of all ducks.” Ducks Unlimited notes that females sometimes share the same nest. Since one female can lay up to 19 eggs, a full nest is a major find for a predator. Ducks Unlimited supports its habitat conservation with serious scientific studies. Besides protecting ducks, geese and other ...
June 30, 2013 - San Antonio Express-News