The hyenas are not supposed to leave the site whining, but these cheetahs were unusually aggressive.
Frightened hyena - Copyright (C) 2008 Y.Roumazeilles
The rest of the story, the explanation and more pictures are available in a photo sequence I published on YLoveBigCats.com.
Nota bene: If you want to keep following the publication of my big cat photos, you’d better track regularly YLoveBigCats.com. Similarly, the technical photo news are now on YLovePhoto.com.