Discover
Workspace
Trivia
Play movie quizzes and chase the scoreboard
Play film and television quizzes, test your knowledge, and climb the Cinephilist leaderboards.
Spoiler shield
Spoiler gates protect reviews, posts, and scene notes until readers choose to reveal them.
Nov 3, 1974 · 55 min
NOVA travels to forests and marshes to discover why birds sing and finds surprising parallels with the acquisition of speech in humans.
Reviews will appear here once members share their thoughts.
No music yet
Advertisement
Comments stay hidden until you have watched this episode.
