Swallow-tailed gull

(redirected from Creagrus furcatus)
Related to Creagrus furcatus: Great black backed gull
(Zool.) an Arctic gull (Xema furcata), which has a deeply forked tail.

See also: Swallow-tailed

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Stenhouse and others (2001) classified the Sabine's Gull as a "solitary low-density" nester, and reported that of 4 closely related species (Sabine's Gull; Black-legged Kittiwake, Rissa tridactyla; Ivory Gull, Pagophila eburnea; and Swallow-tailed Gull, Creagrus furcatus; Chu 1998; Pons and others 2005), only the Sabine's Gull is often a solitary nester.
Several marine birds also use these islands as stop-off points on their migration routes and 19 species (5 of them endemic) nest on the islands, including the lava gull (Larus fuliginosus), the swallow-tailed gull (Creagrus furcatus), the waved albatross (Diomedea irrorata), and the Galapagos cormorant (Compsohalieus [=Nannopterum] harrisi), which cannot fly but can swim and dive with great agility.
Breeding ecology of the Swallow-tailed Gull, Creagrus furcatus. Auk 87:215-243.