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 ...

Butterflies have a remarkable method for mating. See how these incredible insects reproduce. You don't have to go far to see butterflies; you just need to look . - [Narrator] If caterpillars were made ...

Times Square never shuts down, and neither do its pigeons. Discover how these urban specialists adapt to constant light, noise, and action… even sleeping with one eye open.

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!

See the wolverine at play, sprinting across snow-covered terrain, and uncovering animals buried in the ...

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.

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 ...

Capybaras are the largest rodent species. An adult capybara weighs 60 to 174 pounds, depending on the sex. They measure 3.2 to 4.2 feet in length and measure 1.6 to 2 feet at shoulder height. The ...

When the gray wolf was eradicated from Yellowstone National Park in the 1920s, more was lost than just the noble and fascinating predator. The park’s entire ecosystem changed. Now, nearly a dozen ...

Taking a walk through the Amazon rainforest? Might want to keep an eye out for what look and sound like cannonballs, crashing down from above at more than 50 miles an hour. If you are unlucky enough ...