Extras

    Video thumbnail: Nature Did the American Cheetah Make the Pronghorn Fast?

    Nature

    Did the American Cheetah Make the Pronghorn Fast?

    The pronghorn antelope's speed may be due to an arms race with the American cheetah.

    Did the American Cheetah Make the Pronghorn Fast?

    Video thumbnail: Nature The Story of Cats | Into the Americas | Preview

    Nature

    The Story of Cats | Into the Americas | Preview

    Discover how cats first crossed from Asia into North America and became the top predators.

    The Story of Cats | Into the Americas | Preview

    Video thumbnail: Nature Jaguar Attacks Caiman Crocodile

    Nature

    Jaguar Attacks Caiman Crocodile

    The jaguar's powerful jaws allow it to hunt other apex predators.

    Jaguar Attacks Caiman Crocodile