Season 9

30 сент. 1990 г. · 53 мин

Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast.

7 окт. 1990 г. · 53 мин

Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest.

14 окт. 1990 г. · 53 мин

A look at how Norway and Sweden are affected by eight months of winter.

21 окт. 1990 г. · 53 мин

A look at the Swedish archipelago and Norway's fjords.

11 нояб. 1990 г. · 53 мин

Africa's spotted hyena is a matriarch dominated, efficient predator.

18 нояб. 1990 г. · 53 мин

Sight and sound are experienced through animal eyes and ears.

25 нояб. 1990 г. · 53 мин

Enhanced olfactory sensitivity; unique animal senses.

2 дек. 1990 г. · 53 мин

Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death.

9 дек. 1990 г. · 53 мин

This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques.

16 дек. 1990 г. · 53 мин

Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls.

13 янв. 1991 г. · 53 мин

Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia.

17 февр. 1991 г. · 53 мин

In light of the Persian Gulf War and the recent oil spills, PBS airs an update of the 1984 episode of Nature, Treasures of the Gulf, that focused on the effects of the Iran-Iraq war on the fragile ecology of the Persian Gulf.

24 февр. 1991 г. · 53 мин

The beauty of the African plains and the effects of tourism on the area.

3 мар. 1991 г. · 53 мин

Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants.

10 мар. 1991 г. · 53 мин

The natural and human history of the Grand Tetons and Jackson Hole, Wyoming.

17 мар. 1991 г. · 53 мин

Life within a close-knit golden jackal family on the plains of Lemuta in Africa.

24 мар. 1991 г. · 53 мин

Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods.

7 апр. 1991 г. · 53 мин

The relationship within a wild dog pack on Africa's Serengeti Plains.

14 апр. 1991 г. · 53 мин

A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it.

28 апр. 1991 г. · 53 мин

A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds.

12 мая 1991 г. · 53 мин

Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.