This interactive map highlights lesser-known species across America that are protected under the Endangered Species Act in 2019. In the U.S., 719 animal species are listed as federally endangered ...

Erika Howsare's 'The Age of Deer' tracks the roller-coaster ride of deer populations in the U.S. — and what they reveal about human ways of thinking.

Keeping that in mind, the folks at Signature African Safaris put together a map uisng data from the World Wildlife Fund (WWF) to show where in the world the most endangered animal species are located.

The green-and-black poison frog, photographed here at the Sunset Zoo in Kansas, is the first known amphibian to create and revise mental maps of its surroundings.

Erika Howsare's 'The Age of Deer' tracks the roller-coaster ride of deer populations in the U.S. — and what they reveal about human ways of thinking.