Season 2, Episode 1 Why Do Birds Sing?
First Aired: November 3, 1974
“Why Do Birds Sing?” Ornithologists explain that birds sing to attract mates, proclaim territorial rights and warn other birds of impending danger. Some offspring learn tunes from their parents. Other birds are said to chirp in dialects.
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- Premiered: March 3, 1974
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- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)
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