Eastern bluebird Sialia sialis


Identification Tips:

Adult male:

Female:

Juvenile:

Similar species:

The Eastern Bluebird is most likely to be confused with other bluebirds. Male Western Bluebirds have blue throats while male Easterns have orange-red ones. Male Mountain Bluebirds lack any reddish coloration on their underparts. Females are more difficult to separate. Both Western and Mountain Bluebirds have gray throats and gray bellies while the Eastern Bluebird has a brownish throat and white belly.

Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.


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