Series 1

Supporting Content

• The challenges of life for birds, at BBC Nature

  

• Weka Territory—To Fly or Not to Fly?

  Duration: 1:08

• Feet on the ground—To Fly or Not to Fly?

  Duration: 0:51

• Thirst quencher—The Limits of Endurance

  Duration: 3:10

• Food on the run—Meat-Eaters

  Duration: 2:12
  See all clips

• David Attenborough archive collections

  
  David Attenborough - The Early Years
  A BBC Four Collection of programmes, letters and photographs from 1955-1969, showcasing the early work of Sir David Attenborough.

  David Attenborough's favourite moments
  This BBC Nature Collection represents not only memorable personal experiences, but also the diversity of life on our planet and the rapidly changing technological face of broadcasting.