Synopsis
Shorter version (25 min.) issued under title: The world of darkness Uses night-vision camera devices in presenting detailed studies of bats, owls, hyenas, and sightless cave-dwelling fish during their nighttime activities
Uploader's description on archive.org
Details
- Running time
- 26 minutes
- Language
- English
- Collection
- Educational Films, Ephemeral Films
Subjects on the Internet Archive
- Nocturnal animals