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Episode #1
Why Do Birds Sing?
Episode #2
How Much Do You Smell?
Episode #3
The Hunting Of The Quark
Episode #4
The Secrets Of Sleep
Episode #5
Inside the Golden Gate
Episode #6
The Men Who Painted Caves
Episode #7
Red Sea Coral
Episode #8
War From the Air
Episode #9
What Time is Your Body?
Episode #10
The Rise And Fall Of DDT
Episode #11
Take the World From Another Point of View
Episode #12
The Lysenko Affair
Episode #13
The Tuaregs
Episode #14
The Plutonium Connection
Episode #15
The Other Way
Episode #16
The Lost World Of The Maya
Episode #17
Will The Fishing Have to Stop?
Go to episode

NOVA

1974

Why Do Birds Sing? 2 Season 1 Episode

7.1

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

Country
United States
Genre
Documentary
Released
03 Mar, 1974
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