Photographer Page

Robin Moore

Variable harlequin frogs are critically endangered, decimated by the chrytid fungus. Amphibians are considered indicator species because they’re highly sensitive to change in their environments. By monitoring them, scientists can learn about changes in the health of entire ecosystems.

loading

Explore Nat Geo

  • Animals
  • Environment
  • History & Culture
  • Science
  • Travel
  • Photography
  • Space
  • Adventure
  • Video

About us

Subscribe

  • Magazines
  • Newsletter
  • Disney+

Follow us

Copyright © 1996-2015 National Geographic Society. Copyright © 2015-2021 National Geographic Partners, LLC. All rights reserved