Size: 4.5-5.5” 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.
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Last updated: June 8, 2018