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Theme and Variations

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

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  • Originally Aired March 20, 1979
  • Runtime 55 minutes
  • Production Code 110
  • Network BBC Two
  • On Other Sites IMDB
  • Created May 11, 2020 by
    Administrator admin
  • Modified May 11, 2020 by
    Administrator admin