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Presidio of San Francisco Serpentine grassland, Inspiration Point
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Presidio of San Francisco
Surfbird
(Aphriza virgata)
 
Surfbird
USGS Photograph
A Surfbird similar to to those found at the Presidio.
 

Natural History: The Surfbird sustains itself by feeding on marine invertebrates. It roosts away from high tide. It breeds in alpine tundra habitats.

General Distribution: In the Presidio, this species can be found in rocky tidal areas.

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

Identifying Characteristics: The Surfbird is a dark-gray shorebird that has a broad black band on a white tail.

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The Presidio Forest

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The Presidio occupies 1,491 acres in northern San Francisco and welcomes over five million visitors annually.
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Last Updated: February 23, 2008 at 19:16 MST