![]() NPS Photo / Rachel Ames Description: Mostly dark blue with an orange-brown chest, rust on the throat and forehead, and a long, forked tail. Migratory Status: Summer residents of Rocky Mountain National Park. Habitat: Breed in open riparian and aquatic habitats to 9,500 feet. Often build mud nests on buildings and bridges. Diet: Forage in the air and eat mainly insects.
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Last updated: June 20, 2018