Natural World

Natural World

Hammerhead (23x4)


:

Profile of the hammerhead shark, which has until now been shrouded in mystery as no-one could understand why its head is such a strange shape, or how it might help the creature's survival. Marine biologists in Hawaii explain how the fish utilises the unusual shape to give it a unique, deadly weapon in the oceans. Narrated by Ian Holm

  • :
  • : 536
  • : 20
  • BBC Two
  • 21