Fieldmarks:The largest gull in the world
with head-to-tail length of 71-79 cm (28-31
inches). Adults are white except for their jet-black back. The
bill is large and the adults have a yellow bill with an orange spot.
Birds not in adult plumage can be easily confused with Herring and
Black-Backed Gulls. Adult and first winter birds appear above. Occurrence: Rare to uncommon vagrant in Bahamas and West
October through March. Uncommon in winter in northern Gulf of Mexico.
Also occurs in Bermuda where a few
individuals may occur throughout summer.
likely to be seen around marina docks than
at sea. Adults breed in both hemispheres of coastal North Atlantic; in
Atlantic nest south to North Carolina. Species is expanding both its
and wintering range. Birds
require four years to acquire full adult plumage. Like most gulls they are opportunistic foragers.
Indian Breeding Seabird Atlas by Will
Mackin and David Lee is licensed
under a Creative
Commons Attribution-Noncommercial-No Derivative Works 3.0 United States
License. Based on
work at www.wicbirds.net.
Permissions beyond the scope of this license may be available at www.wicbirds.net.
Citation: Lee, D. S., W. A. Mackin. 2012. Great Black-backed Gull. West Indian
Breeding Seabird Atlas
<http://www.wicbirds.net/gbbg.html>. Last Updated: _____.
Date accessed: ______.