The black duck is often mistaken for a hen mallard on the wing. But a closer side-by-side comparison will quickly reveal the black duck’s much darker chocolate-brown feathers. It is also one of ...

His third black duck was a seven-year-old hen banded in Deleware. Since the early 1900s, waterfowl researchers have banded over 1 million black ducks. As of 2019, only 160,000 of those bands have ...