The Laughing Gull is a seagull with a dark red bill, a black head, a dark gray back, a black tail with white spots called "mirrors", white underparts, and a white eye ring around the eye.
AL, Winthrop, MA 2009-02-22, 2010-9-5
The photo shows an adult individual in winter plumage.
The name laughing gull is taken from its laugh-like calls.