Ecologists caught off guard as wildebeests change pattern

What you need to know:

  • The gnus moved from Kenya to Tanzania in September to breed and were not expected to return until April next year.

  • Nicholas Murero, coordinator of the Mara-Serengeti ecosystem, told the Nation that this is the second such occurrence since 2015.

  • Ecologists speculate that challenges ranging from climate change, variation in land use in the Mara ecosystem as well as political, economic, human and cultural factors disrupted the movement.
  • The annual migration from the Serengeti to the Maasai Mara is so great a natural spectacle that it was named the eighth wonder of the world.

Thousands of wildebeests have trotted back from Tanzania's Serengeti National Park to Maasai Mara Game Reserve, catching ecologists and park officials off guard.

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