1989 • 20 Episodes
October 8, 1989
The area's evolutionary roots opens this look at the African valley.
October 15, 1989
The wildlife that lives on the Great Rift's ash plains.
October 22, 1989
Examines the Red Sea, the island of Madagascar and East Africa.
October 29, 1989
Soft coral, sponges, tubeworms, anemones and giant cod adapt to life in Antarctica's subzero waters.
November 12, 1989
Profiles the wildlife living within the British crown colony of Hong Kong
November 19, 1989
An exploration of the Caledonian forest in Scotland, Britain's largest remaining area of ancient woodland.
December 10, 1989
A portrait of the endangered mountain gorilla in equatorial Africa.
December 17, 1989
A look at the maneating tigers of the Sundarbans delta in India.
January 7, 1990
Resource management in Italy's alpine Gran Paradiso National Park has consequences beyond the parks boundaries.
January 21, 1990
Scientists study sandhill cranes on Nebraskan plains, Alaskan and Siberian coasts and in the Northwest Territories.
February 4, 1990
The forests and waters of Ethiopia's Bale Mountains, may one day renew the country's depleted landscape.
February 11, 1990
A look at how Europe's birds of prey have adapted.
February 18, 1990
The relationship between working sheepdogs and flocks of sheep. Selective breeding yields a sheepdog with outstanding abilities to tend the creature other canines prey upon.
March 4, 1990
Tracing the course of the Colorado River.
March 11, 1990
Thousands of years of human settlement provide the backdrop by which to discover the wildlife of Ireland.
March 18, 1990
The fur trade continues to threaten the South American otter with extinction, despite its status as an endangered species.
March 25, 1990
Profiles the Haida Indians who live on British Columbia's Queen Charlotte Island.
April 1, 1990
An exploration of the environmental impact of man's attempts to halt the erosion of Presque Isle beaches.
April 8, 1990
The effect of the 1988 fire on the ecosystem of Yellowstone National Park.
April 15, 1990
A natural history of the snake includes its significance to man as a symbol of fertility, immortality and death.