Who rules the streets and skies of the city? From posh park dwellers to scrappy sidewalk scavengers, discover how New York’s pigeons have evolved to survive in two very different worlds.

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.

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!

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.

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

Eels can be found all over the globe, in fresh and salt water ecosystems alike. But today, risk of over-fishing and the presence of dams and other obstacles that prevent eels from reaching their ...

NATURE presents the compelling story of a remarkable denizen of the West in Cloud: Wild Stallion of the Rockies. America’s wild horses lead an exhilarating but perilous existence. The climate can be ...

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 ...

Frogs have been living on this planet for more than 250 million years, and over the centuries, evolved into some of the most wondrous and diverse creatures on earth. Today, however, all their ...

The fennec fox is the smallest of the foxes. Their head and body are 9.5 to 16 inches long and their tail is 7 to 12 inches long. They stand at 8 inches in height at the shoulders. Their weight ranges ...