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Home / Series / NOVA / Aired Order / Season 2 / Episode 1
Home / Series / NOVA / DVD Order / Season 2 / Episode 1

Why Do Birds Sing?

NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.

English
  • Originally Aired November 3, 1974
  • Runtime 60 minutes
  • Content Rating United States of America TV-PG
  • Network PBS
  • Created July 7, 2009 by
    Administrator admin
  • Modified July 7, 2009 by
    Administrator admin