Life on Earth

Life on Earth

Lords of the Air (1x8)


Data emisji: Mar 06, 1979

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

  • Premiera: Sty 1979
  • Odcinki: 13
  • Obserwujący: 16
  • Zakończony
  • BBC Two
  • Wtorek