Wilson's Warbler

Male and female Wilson's Warblers in willow bushes.
Left: male Wilson's Warbler. Right: female Wilson's Warbler.

NPS Photo / Rachel Ames

Size: 4-5”
Description: Bright yellow below and yellowish olive above. Males have a distinctive black cap, while adult females have an olive to black crown.
Migratory Status: Summer residents of Rocky Mountain National Park.
Habitat: Breed in willow thickets of lakeshores, stream banks and wet meadows at or just above timberline to 11,500 feet and occasionally 13,000 feet.
Diet: Eat mostly insects that they glean from the leaves and branches of deciduous trees and bushes.
 
 
 

Last updated: July 19, 2018

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