In April, the wildebeest pups are weaned and ready for the journey; the Southern fully exploited grasslands are now dry and arid due to the lack of rainfalls in the now-ending short dry season.
The herds leave the Southern Serengeti and Ngorongoro Conservation Area and head towards Western Serengeti; they initially move somewhat disorderly, but soon the marching animals line up and form columns as long as 40-50 kilometres and point to new pristine pastures driven by the rain that they can perceive on the  horizon.

Where is possible to spot the herds of Great Migration in April and May

Lake Ndutu, Lake Masek and Lake Lagarja: the herds transit in this area and sometimes stop here because they can find food and water; lions, giraffes, ostriches, impalas and various species of gazelle, hyenas, jackals, hippos, crocodiles and many species of birds. 

The position by journey stages is characterised by the following events

  • The birth and weaning of puppies
  • The start of the journey
  • The mating season
  • The crossing of the Grumeti River and the Mara River
  • The growth of puppies and new pregnancies
  • The return to the Southern pastures

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Great Migration through Serengeti National Park Map - Illustration Credits: Marco Dal Molin -