The United States’s Endangered Species Act (ESA), signed into law in 1973, has helped revive the populations of nearly 300 species.. The ESA protects animals that are classified under federal ...

Only five percent of the continental U.S. consists of wetlands, “yet they are home to nearly one-third of all of our plant species,” and to over a third of rare and endangered plant and animal ...

The decline is attributed to “severe icing episodes” (when the vegetation caribou feed on gets encased in ice because of fluctuating temperatures, causing caribou to starve). The Committee on the ...

National Geographic photographer Joel Sartore documents endangered species. Since 2005, he's taken more than 37,000 photos of over 11,000 species for the Photo Ark series.

These uniquely American mammals are featured in National Geographic Kids' January edition. A pair of 7-week old red wolf pups explore their habitat at the Museum of Life and Science in Durham, N.C ...

Endangered species are animals that are at risk of disappearing forever, typically animals with dangerously low population numbers, shrinking habitats and a loss of geographic range. There are ...

The National Geographic photographer says the Calgary Zoo is the only place where the sage grouse, an iconic bird of western North America, is in human care, thanks to a breeding program ...

The act makes it illegal for anyone to harm animals that are listed as endangered or threatened. National Geographic photographer and explorer Joel Sartore has spent the last decade photographing ...

The Endangered Species Act turns 50 years old this year and National Geographic is highlighting the many animals the act protects.

The bald eagle, American alligator and Louisiana black bear are just three of the nearly 300 species revived by the Endangered Species Act -- 50 years since it first took affect.