A mother mountain lion risks her life to feed her six kittens. This rare footage captures her incredible fight against the odds with a large elk in the snowy wilderness of Montana.

The team films something not seen before: an hours-long teaching session between adults and their young. Killer whales are one of only a handful of animals that actively teach their young, and it’s ...

Mountain lions risk everything to hunt elk, prey more than twice their size. After ten years of monitoring mountain lions in Montana, this crew has captured this behavior on camera only four times.

Follow a paleontologist on an Arctic adventure to uncover the hidden lives of walrus and the threats they face as climate change shrinks the sea ice. The walrus is one of the Arctic’s most enigmatic ...

Researchers from the University of Washington conduct a long-term experiment to see if crows can pass down information from one generation to the next.

Male pigeons pull out all the stops to win love — shimmering feathers, amplified coos, and even a “pigeon kiss.” Discover how these city birds find a mate for life! - [Narrator] It's time for pigeons ...

This orphaned baby walrus, dubbed Little Miss Walrus, was found alone on a remote Alaskan beach, just one week old and covered in scratches. She’s now safe at the Alaska SeaLife Center, the only place ...

The skin of a cuttlefish shows its emotional state, changing colors depending on meeting a potential mate or rival. But what happens when a male cuttlefish interacts with Spy Cuttlefish? - [Narrator] ...

It was once believed that walruses dug for clams with their tusks—but the truth is even stranger. They actually use their powerful tongues, like a piston, to suck clams right out of their shells.

The Arctic “death spiral” refers to the rapid loss of sea ice caused by climate change. For walruses, this means losing the ice platforms they rely on to rest, raise their young, and hunt. Discover ...

NATURE is a voice for the natural world. As one of the most watched documentary film series on public television, NATURE delivers the best in original natural history films to audiences nationwide.