See also:

• Science: Biology: Flora and Fauna: Animalia: Chordata: Aves: Passeriformes: Turdidae: Sialia  (19)

• Bluebirds of San Diego County - Western Bluebird pictures, nestbox location and plans, nesting behavior, feeding, and common problems.
• California Bluebird Recovery Program - Collects nestbox data for the state of California on bluebirds and other cavity nesters.
• Cornell Nest Watch - Bluebird bios, nesting requirements, data collection, and nestbox cams.
• Eastern Bluebird - Introduction to Eastern Bluebirds and their habitat requirements from the U.S. Department of Agriculture.
• The Eastern Bluebird - Bluebird pictures and nestbox plans.
• Eastern Bluebird Reference Guide - Compiled by Massachusetts bluebirder in 2001.
• Ellis Bird Farm - Non-profit organization dedicated to the conservation of Mountain Bluebirds in Alberta, Canada.
• Feeding and Watching Bluebirds - Personal web site with brief information on bluebirds.
• Finch Homes for Bluebirds - Retail nestbox designed by Jack Finch from non-profit Homes for Bluebirds.
• How to Build a Bluebird House - Brief information on Western Bluebirds and how to build a house for them.
• The Indiana Bluebird Society - Dedicated to the preservation of Eastern Bluebirds and other native cavity nesting birds.
• Louisiana Bayou Bluebird Society - Dedicated to the protection, propagation, and enjoyment of the Eastern Bluebird.
• Maryland Bluebird Society - Non-profit, volunteer organization dedicated to conservation of the Eastern Bluebird.
• Massachusetts Bluebird Association - Promotes education and conservation of the Eastern Bluebird in New England.
• Matt Bailiff's Eastern Bluebird Page - Personal experience with bluebirds and bluebird trails in Kansas.
• Michigan Bluebird Society - Improving the nesting success of the Eastern Bluebird through education.
• Mountain Bluebird Trails - Fosters the preservation of Mountain Bluebirds through education and nestbox programs in Montana.
• Nest Box Dimensions for Birds - University of Nebraska Cooperative Extension in Lancaster County factsheet.
• North American Bluebird Society - Non-profit organization promoting the conservation of all three species of bluebirds.
• North Carolina Bluebird Society - A nonprofit organization dedicated to ensuring the future of the Eastern Bluebird.
• The Omaha Audubon Bluebird Box - Articles and nestbox designs from the Omaha, Nebraska Audubon chapter.
• Ontario Eastern Bluebird Society - A non-profit organization dedicated to protecting and increasing the number of Eastern Bluebirds in Canada.
• Peter La Torrette - Professional photographs of the Western Bluebird (Sialia mexicana).
• Prescott Bluebird Recovery Project - Dedicated to the recovery and restoration of the Western Bluebird in Oregon.
• Sialis - Information about Eastern Bluebird conservation and education.
• Southern California Bluebird Club (Orange County) - Information about setting up a bluebird trail of five or more hanging boxes.
• Southern Interior Bluebird Trail Society - Promotes recovery of Western and Mountain Bluebirds in British Columbia, Canada.
• Texas Bluebird Society - Non-profit organization promoting the conservation of bluebirds and other native cavity-nesting birds.
• Violett's Bluebirds - Western bluebird photos and monitoring tips using 2-hole hanging mansions.
• Virginia Bluebird Society - Promotes Eastern Bluebirds.
• Wendell Long - Photographs of Eastern Bluebirds.
• Wisconsin Bluebird Restoration Association - Organization dedicated to the conservation of the Eastern Bluebird.