Accidental refuge

Across the country, military bases and training ranges have become some of the last best habitat for threatened and endangered species. As cities developed around them, bases preserved prairies and other now-rare landscapes. The Department of Defense now manages more species per acre than any other federal agency.


Threatened and endangered species on military bases


Additional "at risk" species not federally listed


Species found almost exclusively on military lands

Number of at-risk* species at active bases

*Species at-risk are designated by NatureServe. Data not available for species listed under the Endangered Species Act. Source: Department of Defense, NatureServe