Esau’s journey spans borders that elephants cannot see — but must obey. His fate reflects the growing challenges facing elephants across Africa.

In Amboseli, Esau’s moment has arrived. As other males circle, he relies not on force, but skill and restraint -- while younger elephants watch and learn what it takes to mate.

Outside of battle and breeding, male elephants form powerful bonds. Together, they move as one — supporting each other and raising a young orphan as family.

NATURE presents the compelling story of a remarkable denizen of the West in Cloud: Wild Stallion of the Rockies. America’s wild horses lead an exhilarating but perilous existence. The climate can be ...

In 1893, a bounty hunter named Ernest Thompson Seton journeyed to the untamed canyons of New Mexico on a mission to kill a dangerous outlaw. Feared by ranchers throughout the region, the outlaw wasn’t ...

Eels can be found all over the globe, in fresh and salt water ecosystems alike. But today, risk of over-fishing and the presence of dams and other obstacles that prevent eels from reaching their ...

Frogs have been living on this planet for more than 250 million years, and over the centuries, evolved into some of the most wondrous and diverse creatures on earth. Today, however, all their ...

Your field guide to everything you ever wanted to know about the Coywolf, or Eastern Coyote — from a trip through the Coywolf’s modern day habitat to its very recent evolutionary history. How the ...

Peacock (or peafowl): any of three species of birds of the pheasant family Phasianidae. AKA: The male is a peacock, the female is a peahen and the babies are peachicks. All are peafowl. The peacock is ...

It is one of Death Valley’s most intriguing geological whodunits — the sliding rocks of the Racetrack Playa. On an ancient lakebed located on the western side of Death Valley National Park, boulders ...

Adult males measure 15.7 to 24.8 inches long from the tip of their bill to the tip of their tail and weigh 1.7 to 6.6 pounds. Females are smaller than males, measuring 14.5 to 21.6 inches in length ...