MacGillivray's Warbler

Female/immature MacGillivray's Warbler.
Female/immature MacGillivray's Warbler.

NPS Photo / Rachel Ames

Size: 4-6”
Description: Olive upperparts and yellow underparts. Males have a dark gray head, throat and upper breast, and white crescents above and below the eyes. Females are duller overall and have a pale gray-olive head, throat and upper breast with subtle white eye arcs.
Migratory Status: Summer residents of Rocky Mountain National Park.
Habitat: Breed in riparian shrublands, willow and alder thickets, and aspen forests to 10,000 feet and occasionally 12,000 feet.
Diet: Forage from the ground and low branches, and eat insects.

Last updated: June 24, 2018

Contact the Park

Mailing Address:

1000 US Hwy 36
Estes Park, CO 80517


(970) 586-1206
Through winter, the Information Office is open 8:00 am–4:30 pm Mon–Fri. Recorded Trail Ridge Road status: (970) 586-1222.

Contact Us