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

    Presidio of San Francisco


Black Turnstone

(Arenaria melanocephala)
Black Turnstone
A Black Turnstone similar to what may be found at the Presidio.
USGS Photograph

Natural History: The Black Turnstone forages along the shore by probing for invertebrates using its bill. It roosts in upland areas during high tide. Nesting in the Alaskan tundra, its migration peaks in August and April.

General Distribution: In the Presidio, this species can be found in areas of tidal sand and rock.

Frequency: This species is common during the fall, winter, and spring seasons.

Identifying Characteristics: The Black Turnstone is a blackish colored shorebird with black legs. It displays a whitish belly.

Presidio Birds main page

Did You Know?

Officers' Quarters built on Infantry Terrace in 1910

The entire Presidio has been designated a National Historic Landmark. Of the 870 structures on the former post, 470 are considered to have historical significance.