The waters off the California coast teem with a diverse array of marine life: sharks, rays, squids, and the immense blue whales.

In Brazil's Atlantic Forest, a region of vital ecological significance, three distinct monkey species face mounting challenges to their existence: the muriqui, the golden lion tamarin, and the buffy-headed marmoset.

Eight months of winter shape life in Norway and Sweden in profound ways. The long, dark season exerts a powerful influence on both the landscape and the rhythms of daily existence, weaving itself into the very fabric of their cultures.

The Swedish archipelago and Norway's fjords offer a landscape of captivating beauty.

The spotted hyena of Africa is a highly effective predator, organized around a dominant female at its core.

The world is perceived through the senses of beasts: sight and sound filtered by their very nature.

A heightened sense of smell; specialized perceptions found in the animal kingdom.

The body possesses internal clocks that regulate fundamental aspects of life: the cycles of hunger and satiety, the need for rest, the drive to reproduce, periods of dormancy, the emergence of new life, and the eventual cessation of it all.

The project journeys to Cayo Santiago, an island just off the coast of Puerto Rico, to observe the complex behaviors of a thriving population of feral Rhesus macaques.

At Denali National Park in Alaska, rangers prepare hikers for potential meetings with grizzly bears. These magnificent creatures are frequently observed at Brooks Falls, where they gather to feast on salmon.

Patagonia’s character is vividly drawn by the presence of penguins, the swift maras, the graceful guanacos, the playful sea lions, and the formidable killer whales.

Following the Persian Gulf War and the more recent oil spills, PBS has broadcast an updated version of its 1984 *Nature* episode, "Treasures of the Gulf." The original program explored the impact of the Iran-Iraq War on the delicate ecosyst…

The vast expanse of the African savanna holds a captivating beauty, a landscape both timeless and vibrant. Increasingly, this iconic region experiences the impact of tourism, a complex interplay of benefit and consequence that shapes its f…

Simon Trevor, a filmmaker with a background as a game warden, documents the devastating decline of Africa's elephant populations.

The story of the Grand Tetons and Jackson Hole, Wyoming, unfolds through the interwoven narratives of the natural world and the people who have shaped its destiny.

The days unfold within the tight circle of a golden jackal family, roaming the grasslands of Lemuta in Africa.

Biologist Lynn Rogers emerges from the woods with the black bear, following its slow awakening from winter sleep.

The bonds that hold a wild dog pack together on the vast Serengeti plains of Africa are intricate and profound. A complex social structure governs their lives, woven with threads of cooperation, loyalty, and fierce devotion. Each member pla…

The albatross, a creature of remarkable grace and endurance, is explored here in terms of its distinctive characteristics and the environments it calls home. We also consider the enduring legends and enigmatic stories that have long surroun…

In the Welsh countryside, a polecat finds refuge for the winter on a working farm, sharing the space with opportunistic foxes, rats, and various birds.

In the wild expanse of Montana's Glacier National Park, a landscape of untamed peaks and untouched wilderness, grizzly bears, wolves, and cougars make their home.