Harlequin ducks will endure the long winter here. Meantime, they bob around like corks in the breakers and dive beneath the...
(03:06)Blakiston’s fishing owls. By day, they enjoy the view, and wait for cover of night. Their fluffy chick secures itself in a...
(03:16)Siberia. Not only a frozen wilderness, it is a region of incredible diversity. Of precarious beauty and endangered animals,...
(01:07)Worldwide, ants are so numerous their total weight is almost as much as the human population. A force to reckon with. Workers...
(02:59)Through the hills of Yakutia comes a relentless army. Reindeer. A herd of a thousand strong.
(02:57)With a face like a kangaroo and a vampire’s teeth, the musk deer makes his timid way through the woods in search of lichens....
(03:01)Hungry bears seek the nectar rich flowers. They must eat hundreds to get the equivalent calories of a big salmon. Bears have...
(03:04)Through April and May males build up their stamina for the mating season. Courtship happens in stages. First, pursuit. And...
(00:35)Different kinds of brown bears share the ample land here. But populations are threatened. Hunters and loggers come too. Now,...
(03:02)Green hills and alpine meadows, arid salt flats, miniature sand dunes give way to ferocious mountains. The landscapes of the...
(02:58)Every May one hundred and fifty thousand pairs of snow geese fly in from their North American winter quarters. It’s their...
(00:43)In the North lies the Arctic. A place of extreme hardship, demanding finely-honed survival skills. Where life is precarious...
(01:07)The Arctic fox can tolerate temperatures down to minus seventy degrees Celsius by shunting blood flow away from its legs to...
(03:51)The Arctic ice blankets an area twice the size of Australia. Animals have adapted to live above and below its fickle surface....
(03:02)Attaching a crittercam to the dorsal fin of a Great White Shark is a risky endeavor.
(02:21)Young brown bears practice fighting while two older males put their skills to the test over a female.
(02:56)One of the only two birds of prey in Hawaii, the Exalted Hawk is helping to reduce the number of invasive species on the islands.
(02:51)Scientists exploring Puerto Rico's trenches discover volcanic rock formations deep underwater.
(02:55)In the Florida swamps, the gator reigns supreme.
(02:54)