Click on the Heermann's Gull to view a larger image. |
DISTINGUISHING MARKS
18-21” (45-53 cm). The easiest gull in the West to identify. Adult: Dark gray, with a black tail, whitish head, red bill. In winter the white head becomes gray. Immature: all dark, lacking the white head; bill brown or tipped with varying amounts of red.
DISTRIBUTION
Breeds mainly on islands off coast of northwest Mexico.
HABITAT
Coast and nearby open ocean.
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