Previous range descriptions (Van Devender 2002)
(Van Devender 2002)
Desert tortoises, G. agassizi, live in the southwestern United States.
Adapted from www.d-maps.com according to Nevada Fish & Wildlife fact sheet. Click here for on map for detailed distribution (IUCN).
Also see pg. 8 of Annotated Bibliography and Data Basin, which uses USGS data for some maps.
Desert tortoises rely on the rocky substrates for shade and protection from predators.
Image credits: © San Diego Zoo Wildlife Alliance. All rights reserved.
Anderson et al. (2000)
Curtin et al. (2008)
Ernst & Lovich (2009)
Lamb & McLuckie (2002)
Murphy et al. (2011)
Osorio & Bury (1982)
U.S. Fish and Wildlife Service (1994)
Van Devender (2002)
Zylstra & Steidl (2009)