Gulls and Terns

Little Gull	Common Tern	Forster's Terns	Ring-billed Gull
Ring-billed Gull	Lesser Black-backed Gull	Western Gull	Least Tern
Least Tern	Heerman's Gull	Franklin's Gull	Franklin's Gull
Franklin's Gulls	Heerman's Gull	Laughing Gull	Laughing Gull
Ring-billed Gull	Caspian Terns	Caspian Terns	Lesser Black-backed Gull
Lesser Black-backed Gull	Ring-billed Gull	Thayer's Gull	Glaucous Gull