The government of India invited Marlin and a fellow ornithologist to explore the bird habitat of the forest of Bharatpur, Rajasthan.

On locale in the Peruvian Andes near an altitude of 14,000 feet Marlin and fellow scientists seek and study the endangered vicuna.

A troop of the coati-mundi living in the mountains adjacent to the Sonora Desert of Arizona are under observation and narration from our guide as we follow this captivating show.

Marlin and crew journey into the Caribbean near the Virgin Islands to study the endangered humpback whale.

The second part of the humpback whale story takes place near the Silver Navida Banks where the whales come to bear the young and the herds are tracked by helicopter. Marlin is underwater in much of this action.

From the Natal National Parks of South Africa, Marlin participates in relocating large animals.

From the Delta Waterfowl Marsh near Canada's Lake Manitoba, Marlin presents an in-depth study of this unusual bird as witnessed from specially built blinds that resemble floating muskrat houses.

Part II continues with more fascinating looks at the grebe's unusual behavior. From the Delta Waterfowl Marsh near Canada's Lake Manitoba, Marlin presents an in-depth study of this unusual bird as witnessed from specially built blinds that resemble floating muskrat houses.

U.S. Peace Corps biologist volunteers help in South African Republic of Botswana fight the dreaded hoof and mouth disease threatening cattle, under the assistance of Marlin and assistant Roger Birkel from the St. Louis zoo.

A study of the life and activities of the Australian dingo and its relationship with other animals of the same habitat.

We're taken on a tour of a remote little island off the Southern Coast of Australia in the Furneaux Group of Bass Strait.

Marlin journeys by boat to the cluster of islands off the Southern Coast of South America.