Cabeza Prieta Natural History Association
- Is dedicated to stimulating interest in and providing knowledge about the natural history of the Sonoran Desert.
- http://cabezaprieta.org/

Auco Long-Term Ecological Research
- This research project aims to model the ecosystem of a desert area in Chile (Auco, National Reserve "Las Chinchillas"). Features El Niño and La Niña effects on flora and fauna, list of published papers, and GIS maps.
- http://www.bio.puc.cl/auco/index.htm

The Sonoran Desert
- An online photographic expedition into the Sonoran Desert in Arizona and Mexico. Includes desert photographics and in-depth information about history and ecology.
- http://www.oneworldjourneys.com/sonoran/index2.html

Sonoran Desert Naturalist
- Images and descriptions of flora and fauna in the Sonoran Desert.
- http://arizonensis.org/sonoran

Sonoran Desert of Baja California
- Information on climate, plants, and animals of the Sonoran Desert.
- http://www.loscabosrestaurantguide.com/desert.htm