A mother otter keeps her pup warm and fluffy while teaching it how to hunt.
Emperor penguins — serial monogamists —move from ocean to ice to choose their mates for the year.
A hungry owl and a clever vole engage in a snowy game of cat and mouse.
These penguins gather on Deception Island, an active volcano, to breed.
Elusive Iberian lynx and grey wolves were extremely hard to find — let alone film.
One of only 40 Amur leopards left in the wild, a mother works hard to get her young cub through the winter.
When that bamboo diet doesn’t get you fat enough to hibernate…
Within their first year of life, penguin chicks face many extraordinary hardships in the arctic.
A determined polar bear mother leads her cubs into a dangerous new world.
Red fox can hear the sounds of mice under six feet of snow during freezing Yellowstone winters.
This mama otter keeps her baby’s fluff on fleek.
She isn’t much to look at, but this Bald Eagle’s got attitude for days.
Love is in the air, and this Arctic ground squirrel doesn’t want to miss his first date!
It’s an uphill battle to climb this muddy mountain.
Brave? Yes. Insanely risky? Also yes.
So many tunnels, so little time. Will this Marten get lucky and find a mouse?
These aerial predators must spend every daylight hour scanning the slopes for prey.
A polar bear can smell a seal’s breathing hole from over a half a mile away.
I felt like I wanted to hug him.
These Antarctic residents get front row seats to one of nature’s greatest light shows.
By carving steps in the ice, the film crew saved part of a penguin colony.
When chicks are left home alone in negative 40 degree weather, huddling is their only hope.
Giant spiders, brutal weather conditions, and hours and hours of waiting are all worth it for the moments of pure animal magic.
Oy! A very hungry polar bear treated himself to the crew’s bacon, sour cream, yogurt, and more.