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Bird Details

Perching Perching

Eastern Bluebird

Sialia sialis

Eastern Bluebird
copyright Jim Burns
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.

Fir forest
Fir forest

Savanna
Savanna

Mesquite bosque
Mesquite bosque

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.