Mystery mammals of twilight
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Tells the life story of bats. Shows live bats and pictures a bat's voice of and oscillograph. Explains how bats navigate by echolocation or sonar. (WGBH-TV) Kinescope.
Sources
- 16mm Filmography (legacy record) — title, year, description, catalog record
Original permalink · Record added 2025-04-19 22:02:11