Glaucus-winged Gull

From the Alaska Department of Fish and Game: Adults have white heads and bodies, pink legs, brown eyes, gray backs, and white wing tips. Their heads are heavily flecked with gray in winter. Recently fledged juveniles are dark-brownish gray. The plumage becomes lighter each year to age 4, when adult coloration is acquired and they first begin breeding. Adults typically live about 10 years and average 23 to 26 inches (58-66 cm) in length