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.
A cave beetle Neaphaenops tellkampfi collecting its preferred prey item, the eggs of a cave cricket. Photo courtesy of Kendall Wheeler; photographer Rick Olson/NPS.
Photo courtesy of Kendall Wheeler; photographer Rick Olson/NPS
