Bluebirds are back from the brink thanks to human interventions

The eastern bluebird population was once in rapid decline because of a perfect storm of factors, but today their population has recovered well and these birds are a common sight once again.

Western Bluebird Study — OLYMPIC PENINSULA AUDUBON SOCIETY

Bluebirds Make a Comeback

Bluebird Seasons: Witnessing Climate Change in My Piece of the

Take Wing, Books About Birds for Budding Naturalists

Bluebird Seasons: Witnessing Climate Change in My Piece of the

PDF) Mountain Bluebird (Sialia currucoides): A Technical

Year-round Bird Watching in Ohio

Back from the Brink — Partners in the Sage

6 Unexpected Ways Birds Are Important for the Environment (and