Narrower Terms (17)

• Black-tailed gull
• California gull
• Franklin's gull
• Glaucous gull
• Glaucous-winged gull
• Gray gull
• Great black-backed gull
• Larus argentatus
• Larus canus
• Larus novaehollandiae
• Laughing gull
• Lesser black-backed gull
• Ring-billed gull
• Slaty-backed gull
• Southern black-backed gull
• Western gull
• Yellow-legged gull