Resources
Violet-green Swallow (a cavity-nesting songbird) by VJ Anderson
- Cavity Conservation Initiative
- Become a member of North American Bluebird Society (NABS)
- California Bluebird Recovery Program (CBRP)
- Got Mites? "Renesting" May Be Needed
- Scientific publications about bluebirds
- Cornell Lab of Ornithology Nest Watch data reporting website
- Sialis
- Free Children’s Activity Book