The American Herring Gull or Smithsonian Gull or is a large gull which breeds in North America. It is often treated as a subspecies of the European Herring Gull but is now regarded as a separate species by some authorities.
Adults are white with gray back and wings, black wingtips with white spots, and pink legs. Immature birds are gray-brown and are darker and more uniform than European Herring Gulls with a dark tail.
It occurs in a variety of habitats including coasts, lakes,.. more