Africa's Predator Zones: Trenches

  • 46m
  • HD
  • TV-PG

Two East African rivers stand in the way of a massive migration. Over a million wildebeest and thousands of zebras will be forced to cross the Grumeti and Mara Rivers in order to complete their epic annual journey, and every crocodile knows it. As the rivers shift and fluctuate, see how these fierce reptiles adapt to become ultimate predators.