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.

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 ...

Killer whales rarely risk hunting leopard seals – Antarctica’s second top predator. But when reinforcement whales appear, this group of killer whales has a technique for capturing this aggressive ...

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.

Learn the facts about some of your favorite plants and animals.

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 ...

The Anatidae are the biological family of birds that includes ducks, geese and swans. The family has a cosmopolitan distribution, occurring on all the world’s continents except Antarctica and on most ...

Travel back in time, from the Arctic Ocean to Pacific tide pools, with a pioneering group of scientists who make surprising discoveries that transform human understanding of nature and ecology. Based ...

In 1893, a bounty hunter named Ernest Thompson Seton journeyed to the untamed canyons of New Mexico on a mission to kill a dangerous outlaw. Feared by ranchers throughout the region, the outlaw wasn’t ...