Sialis.org is a comprehensive resource dedicated to bluebird conservation and small cavity nesters, founded by the passionate webmaster, Bet Zimmerman Smith. The website offers valuable information on various bird species, nestbox management, and bird biology. Bet's dedication to fueling conservation progress through sharing knowledge is evident in the extensive resources and links on the site, which are free from advertising influence.

Bet's expertise lies in small cavity nesters, particularly Eastern Bluebirds, but the site covers a range of species, including Mountain and Western Bluebirds. With a background in environmental management and a Peace Corps volunteer experience, Bet's commitment to leaving the world better than she found it shines through in her work.

Whether you're a seasoned birder or new to bluebirding, Sialis.org is a reliable and evolving source of accurate information for bird enthusiasts. Explore the site for insights, resources, and tips on nurturing and preserving these beautiful avian species.