Eastern Bluebird

Sialia sialis
Eastern Bluebird thumbnail
Length: 7 in. (18 cm )
A species of forest edge, open pastures and scattered trees, the Eastern Bluebird perches conspicuously at the tops of bushes, wire fences or fence posts. Their food includes berries, earthworms, and insects that are often captured by swooping down to the ground from a low perch. It nests in tree cavities and nest boxes when available. In the southwest, this species nest exclusively in mountain meadows. The nest is lined with a loose array of grass, pine needles and twigs. During the winter it forms small to large flocks.

The four-digit banding code is EABL.

Male | Jim Burns

Female | Jim Burns

Fir forest

Mesquite bosque

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Bibliographic details:

  • Article: Eastern Bluebird
  • Author(s): Dr. Biology
  • Publisher: Arizona State University School of Life Sciences Ask A Biologist
  • Site name: ASU - Ask A Biologist
  • Date published: July 13, 2017
  • Date accessed: July 15, 2024
  • Link:

APA Style

Dr. Biology. (2017, July 13). Eastern Bluebird. ASU - Ask A Biologist. Retrieved July 15, 2024 from

American Psychological Association. For more info, see

Chicago Manual of Style

Dr. Biology. "Eastern Bluebird". ASU - Ask A Biologist. 13 July, 2017.

MLA 2017 Style

Dr. Biology. "Eastern Bluebird". ASU - Ask A Biologist. 13 Jul 2017. ASU - Ask A Biologist, Web. 15 Jul 2024.

Modern Language Association, 7th Ed. For more info, see
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