NOVA
Why Do Birds Sing? (2x1)
Date de diffusion: Nov 03, 1974
NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.
- Première: Mar 1974
- Épisodes: 1025
- Abonnés: 302
- En cours
- PBS
- Mercredi à 21
