Why Do Birds Sing (1975)

First published at 02:50 UTC on February 1st, 2021.

Walrus

Walrus

subscribers

NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans. NOVA S02E01

CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
The owner has disabled comments on this video.