swallow-tailed gull Directory References Discover 7 of History's Most Notorious Serial Killers Water Fluoridation: Just the Facts How Deadly Is Quicksand? 12 Novels Considered the “Greatest Book Ever Written” Timeline of the 2000s 7 Everyday English Idioms and Where They Come From 7 Deadliest Weapons in History Contents swallow-tailed gull bird Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Creagrus furcatus Learn about this topic in these articles:description In gullThe swallow-tailed gull (Creagrus furcatus) of the Galapagos Islands is a striking bird, the only gull with a deeply forked tail. (See also kittiwake.)Read More