The tortoise burrow provides protection from the extremes of heat and cold, and as protection from predators.
- US Fish & Wildlife Service - Desert Tortoise Recovery Office
- US Fish & Wildlife Service - Species Profile
- Endangered Species International - Threats to the Desert Tortoise
- Desert Tortoise Preserve Committee
- Desert Managers Group - Conserving California Deserts
- Desert Tortoise Council - Information and Conservation Promotion
- Mojave Desert Ecosystem Program