Natural History: The Orange-crowned Warbler feeds primarily on insects, but it will also eat a variety of plant parts. It nests on the ground in dense, brushy habitats. It breeds from mid-April to mid-July.

General Distribution: In the Presidio, this species can be found in dune and coastal scrub areas, all forested areas, and around ornamentals. It breeds within the Presidio.

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

Identifying Characteristics: The Orange-crowned Warbler has a dull olive-green upper and a yellow-green underside. Sometimes it is seen with a slight orange crown. It displays no color bars on its wings.