For the first time since 1948, a 10-year-old male Siberian big cat graces the D.C. menagerie
A trek through Bwindi Impenetrable National Park brings you up close and personal with an endangered gorilla population
From flamingo 'hot tubs' to heated termite mounds, zoos have plenty of tricks to keep creatures safe when the forecast freezes over
The archipelago was once synonymous with tourism, sustainability and biodiversity. Now collapsing fisheries have led to turmoil
A marauding polar bear is about to be returned to the the wild, as far away as possible from the town of Churchill
A new book chronicles Ernst Haeckel's life and his gorgeous renderings of wild things—scales, spikes, tentacles and all
A local guide from Churchill, Manitoba, is on a late night walk, hoping to spot a polar bear. He strikes gold when a large male appears
During seal hunting season, a female polar bear strives to put on up to 300 pounds of fat. That weight gain is a necessity
Inside the brains of this olfactory king of the roost is a powerful cellular mechanism for detecting carrion from hundreds of feet away
In lieu of seal meat, polar bears will resort to eating anything that looks edible, including mineral-rich kelp. Here, one chows down on a fresh batch
Polar bears will spar relentlessly with each other whenever they meet in summer. It's friendly and sociable, but also a good way to establish hierarchy
Scientists from all over the world come to the Smithsonian Tropical Research Center to study this unique region
Over the past half century, Leatherback turtle numbers have suffered a disastrous decline of almost 70%
The Isthmus of Panama has witnessed some of the greatest movement of animal species in history. Today, rapid urbanization has accelerated deforestation
The tiny pollinators are useful sentinels of what’s going on in an ecosystem, and might just be environmentalists’ best asset
A wildlife photographer spots a swimming polar bear, completing the last lap of its summer migration. It's the perfect photo op
Orca whales actually comprise two distinct types—and one may soon be destined to rise above the other
Scientists are scooping up the pungent piles of data to measure the health of once-endangered ungulates
A male polar bear stands on the edge of the ice waiting for potential prey. But he's set his sights on something bigger than a seal today
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