Endangered Species

Earth Day, first marked in the United States in 1970, has grown into a worldwide commemoration in its 50th year. Download our Earth Day poster.

Bees, butterflies and other pollinators are in danger. We rely on them for food. This poster can help raise awareness. Protect pollinators.

Learn how biologists from Cornell University are tapping into new technology to track and protect African elephants from poaching.

A Canadian-Iranian dual national — arrested by Iranian authorities for his environmental work and contact with foreigners — died during interrogation.

Saving species helps preserve vibrant ecosystems we humans depend on every day. Test your knowledge of some animals at risk of extinction.

In the Russian Far East, an endangered Amur tiger was released back into the wild in 2017, giving conservationists hope for the species’ future. The news comes just in time for World Wildlife Day on March 3.

On October 23, International Snow Leopard Day we celebrate the endangered mountain feline, whose health reflects the health of important ecosystems.

Endangered animals may get some protection thanks to new apps developed at the second annual Zoohackathon, co-sponsored by the U.S. Department of State.

Environmental DNA testing is transforming the field of biology, by making it much easier to detect different species in rivers and streams.