Larus marinus ORDER: CHARADRIIFORMES FAMILY: LARIDAE
IUCN Conservation Status: Least Concern
© Gerrit Vyn
The largest gull in the world, the Great Black-backed Gull is primarily a coastal species. A bird of the North Atlantic, it has been expanding its breeding and wintering ranges farther south along the East Coast and into the Great Lakes.
Call a deep, swallowed "woah."
Tips for Identifying Some Common Gulls: Story and photos in BirdScope.