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

    Presidio of San Francisco

    California

Wilson's Warbler

(Wilsonia pusilla)
 
Wilson's Warbler
A Wilson's Warbler ready to take a bath at El Polin Spring.
Will Elder, NPS
 

Natural History: The Wilson's Warbler feeds primarily on insects, much like the Orange-crowned Warbler. It takes cover in the low canopy layers or forests or shrubs. It nests near water or wet areas on ground or slightly above ground where it breeds from late April to August.

General Distribution: In the Presidio, this species can be found in coastal scrub areas, forested areas, and around ornamentals. It has the potential to breed within the Presidio.

Frequency: This species is common in the spring, summer, and fall and is uncommon during the winter.

Identifying Characteristics: Wilson's Warbler is olive-green above, similar to the Orange-crowned Warbler, and a yellow color below. A yellow stripe can be noted across the eye. The males of the species have a black cap.

Presido Birds main page

Did You Know?

Bee collecting pollen

Over 60 species of bees can be found in the Presidio. This very diverse population results from ample nesting habitats in the Presidio’s soft, sandy soils, as well as a large variety of coastal scrub plants to provide nectar and pollen.