Birdwatchers have been asked to photograph ducks by researchers who are investigating the reasons for their declining numbers ...

FILE - A mallard duck rests on the edge of a path around the Tidal Basin as the sun rises in Washington, Sunday, March 5, 2023, with the Washington Monument in the background. (AP Photo/Manuel ...

We're hanging out by the stream today because streams are great places to see wildlife, and one of the critters you're likely to see here is the mallard duck. Today we'll visit with *** family of ...