Why Are Bluebirds Blue?

By A Mystery Man Writer

It's a trick of the light!

Get Wild: Our magnificent mountain bluebirds

Eastern Bluebird (Sialia sialis)

Mountain Bluebird - Craters Of The Moon National Monument & Preserve (U.S. National Park Service)

Mountain Bluebird Trails Conservation Society - Southern Alberta

Western bluebird - Wikipedia

Bluebird - Wikipedia

Eastern Bluebird Missouri Department of Conservation

Bluebird or Blue Jay: What Are The Differences

Blue Birds Aren't Blue, and This is How They Fool You