English name Scientific name Mediterranean Gull (Larus melanocephalus) Franklin's Gull (Larus pipixican) Laughing Gull (Larus atricilla) Little Gull (Larus minutus) Sabine's Gull (Larus sabini) Bonaparte's Gull (Larus philadelphia) Black-headed Gull (Larus ridibundus) Ring-billed Gull (Larus delawarensis) Mew Gull (Larus canus) Lesser Black-backed Gull (Larus fuscus) Herring Gull (Larus argentatus) American Herring Gull (Larus smithsonianus) Yellow-legged Gull (Larus michahellis) Caspian Gull (Larus cachinnans) Iceland Gull (Larus glaucoides) Thayer's Gull (Larus thayeri) Glaucous Gull (Larus hyperboreus) Great Black-backed Gull (Larus marinus) Ross's Gull (Rhodostethia rosea) Black-legged Kittiwake (Rissa tridactyla) Ivory Gull (Pagophila eburnea) Hybrid, problem and aberrant Gulls (Larus sp.)