description About
We examine the uses and advantages of birds' unique possession - the feather. Feathers are insulators; they provide the surface of the most perfect aerofoils known - bird's wings; and they play a central role in courtship
Info
- verified Status: Ended
- person By: Unknown
- calendar_month Release Date: 1979-03-06
- video_camera_front Companies BBC Studios Natural History Unit
- tag Season: Season 1
- timer Episode Runtime: 55 Mins
- star Rating: 0 / 10
- visibilityViews: 2 views
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