Endangered Species

Trout swimming in stream (Wade Fredenberg/U.S. Fish & Wildlife Service)

Using eDNA, biologists reveal a river’s creatures

Environmental DNA testing is transforming the field of biology, by making it much easier to detect different species in rivers and streams.
Gorilla with open mouth in Virunga National Park (© AP Images)

This gorilla might owe its life to a heroic park warden

Rodrigue Katembo has saved critically endangered wildlife in the DRC's Virunga National Park, including mountain gorillas, elephants and hippos.
Scimitar-horned oryx in Chad (© Environment Agency–Abu Dhabi)

Rare antelopes return to Africa

Earth Day is April 22. Celebrate a success story and learn about the reintroduction of the oryx to the wild.
Group of cheetah cubs in straw bed (Courtesy of Smithsonian Conservation Biology Institute)

Cheetah cub boom: 10 in a week! [video]

Two litters of cheetah cubs were born during a single week at the Smithsonian Institution’s research facility.
Two elephants (© AP Images)

Hope for elephants: Ivory demand drops in China

Demand for elephant ivory in China has dropped sharply as that country plans to end the legal trade in ivory later this year.
Face of Sumatran tiger (© Wiklander/Shutterstock)

Top 10 ways to save wildlife

You think you can't save endangered wildlife? Think again. Here are 10 ways you can help.
Two young women in military fatigues (Black Mamba Anti-Poaching Unit/Facebook)

Black Mambas take a bite out of wildlife poaching

The women of South Africa's Black Mamba Anti-Poaching Unit have reduced rhino poaching in their reserve and are protecting other irreplaceable wildlife.
Bird and her chick (U.S. Fish and Wildlife Service)

Albatross is a mom at 66

The world’s oldest known breeding bird just became a mother again. Wisdom, a Laysan albatross, successfully hatched a chick at a wildlife refuge.
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Celebrating Wildlife Guardians

Tune in on March 2 at 11 a.m. EST/16:00 UTC for a live-streamed interactive video webchat on efforts to end wildlife trafficking.