Photo By/Credit
USGS
Date Shot/Created
11/15/2010Media Usage Rights/License
Public Domain
Image
Threatened species desert tortoise (Gopherus agassizii) in Nevada
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.