swallow-tailed gull (Creagrus furcatus)

Creagrus furcatus is a species in the Creagrus genus. It is commonly known as swallow-tailed gull This name is unplaced name for the species in the family Laridae subfamily Larinae, . . This species is found in Galápagos Islands, although a few pairs nest on Malpelo Island off the coast of Colombia.