Description: Dark gray back, a lighter gray to yellowish belly, and white eye ring and wing bars.
Migratory Status: Summer residents of Rocky Mountain National Park.
Habitat: Breed in mature, closed canopy spruce-fir forests, but also live in ponderosa pine and aspen forests to 11,000 feet.
Diet: Eat mainly flying insects that they forage in flight but also eat caterpillars.
Last updated: June 8, 2018