Life on Earth - Theme and Variations

Seizoen: 1 - Aflevering: 10 / 10 - Eerst uitgezonden: 20 maart 1979 - Episode ID: 160261

A look at some of the huge variety of mammals. Bats number over a thousand species, many hunt insects, some sip nectar, drink blood, and even catch fish. Contrast those which use sonar with the great whales that sing, the star-nosed mole and the giant anteater, and the potential variations become dramatically clear