Tree Swallow

A pair of Tree Swallows at their nest site in an aspen tree.

NPS Photo / Rachel Ames

Size: 4.5-6”
Description: Iridescent blue-green above and white below with dark gray wings and a thin black eye mask. Females are duller with more brown on the back.
Migratory Status: Summer residents of Rocky Mountain National Park.
Habitat: Primarily breed in aspen forests but also live in coniferous, montane and open habitats near water to 9,000 feet and occasionally 10,500 feet.
Diet: Forage in the air and eat mostly insects that they catch in flight. Can also eat berries.

 

• Tree Swallow (call)

  
  

  Tree Swallow call recorded at the Alluvial Fan in Rocky Mountain National Park. Note that a Dark-eyed Junco (most prominent), Northern Flicker, Steller's Jay, House Wren and American Robin can also be heard in the recording.

  Credit / Author:

  J. Job

  Date created:

  05/19/2016

  Audio Transcript

  Transcript due 4/1/2025