Black-tailed Gull, California Gull, Common Gull, Glaucous Gull, Glaucous-winged Gull, Great Black-backed Gull, Herring Gull, Iceland Gull, Laughing Gull, Lesser Black-backed Gull, Ring-billed Gull, Short-billed Gull, Slaty-backed Gull, Thayer's Gull, Western Gull
