Science Fair Project Encyclopedia
These are one of the relatively few thrush groups to be restricted to the New World. As the name implies, these are attractive birds with blue, or blue and red, plumage.
- Eastern Bluebird, Sialia sialis
- Western Bluebird, Sialia mexicana
- Mountain Bluebird, Sialia currucoides
There is a Hydrangea variety called the Bluebird .
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