The Ruddy Duck is a regular winter resident in small numbers on coastal ponds in Falmouth. It is a bigheaded chunky duck and is easy to recognize. In the winter, the male becomes gray-brown with a grayish bill. The Ruddy Duck is known as an excellent swimmer and diver. This Ruddy Duck was recently seen among a small group of ducks in open water on the west side of Ashumet Pond.