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

    Presidio of San Francisco


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Tree Swallow

(Tachycineta bicolor)
Tree Swallow
A Tree Swallow rests on a snag near Mountain Lake.
© Alan Hopkins 2001

Natural History: The Tree Swallow feeds primarily on insects caught in flight. It takes cover in woodlands near areas of water. It nests in cavities in snags, trees, and cliffs, breeding from mid-April to mid-August.

General Distribution: In the Presidio, this bird is found in forests of eucalyptus, Monterey Pine, and Redwood. This species breeds within the Presidio.

Frequency: This species is common in the Presidio in the summer, spring, and fall; however, it is rare during the winter months.

Identifying Characteristics: This species has a steely blue or green-black upper top and white below. It can be seen gliding in circles.

Presidio Birds main page

Did You Know?

Fort Point, once called

In 1882, the fort now known as Fort Point was given the name "Fort Winfield Scott", a name it retained for four years before being downgraded to a sub-post of the Presidio. In 1912, the name was reused for the new coast artillery post at the Presidio, today's Fort Scott.