• East view from Crissy Field overlook with old Coast Guard station on left and city on right

    Presidio of San Francisco

    California

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Mew Gull

(Larus canus)
 
Mew Gull
Mew Gulls take a break at Crissy marsh.
Will Elder, NPS
 

Natural History: The Mew Gull finds its food by diving or foraging on water. It rests on mudflats, beaches, and calm water. It is also found on turbulent, coastal waters. This species breeds in Alaska and Canada.

General Distribution: In the Presidio, this species can be found in the ocean, bays, ponds, tidal sand and rock areas, and around piers and pilings.

Frequency: This species is considered common in the spring and fall and abundant during the winter.

Identifying Characteristics: This gull can be distinguished by its medium-gray mantle and back. It has a short rather slender, unmarked, greenish-yellow colored bill and a darker back than related species.

Presidio Birds main page

Did You Know?

Detail from Spanish Coat of Arms

While stationed at the Presidio, the U.S. Army adopted the Coat of Arms of Royal Spain for heraldry purposes. The seal appeared on vehicles, signs, and badges throughout the post.