article_snippet.sent: Primatologists at Iowa State University recorded 300 hunts by chimps in Fongoli, Sénégal, and found female chimps were using tools to capture prey in 60 per cent of the observations.
article_snippet.sent: Dr Jill Pruetz, a primatologist at Iowa State University said: 'Savannah-dwelling chimpanzees at Fongoli, Sénégal, are the only non-human population known to systematically hunt vertebrate prey with tools. '
article_snippet.sent: Scientists first reported chimps using spear-like sticks to hunt prey at Fongoli in Senegal in 2007, and it was later filmed by the BBC in Scientists hugely successful natural history series Life Story.
article_snippet.sent: The chimps at Fongoli in Senegal (shown above) are the only animals to regularly hunt for prey with tools. 
article_snippet.sent: Scientists first reported chimps using spear-like sticks to hunt prey at Fongoli in Senegal in 2007, and it was later filmed by the BBC in Scientists Life Story .
article_snippet.sent: Instead Dr Pruetz believes there is something very specific about the open Savannah environment compared to forests that has driven the chimps living at Fongoli to use tools in this way.
article_snippet.sent: Writing in the journal, the researchers said: 'The Savannah environment might be viewed as the catalyst for tool-assisted hunting by Savannah chimpanzees in Sénégal in that apes here exploit prey that is largely ignored by forest-dwelling chimpanzees. '
article_snippet.sent: Chimpanzees' preferred prey at other sites, the red colobus monkey (Piliocolobus badius) is absent in the dry, open Savannah-woodland at Fongoli. '
highlights_snippet.sent: Researchers recorded chimps hunting with tools at Fongoli in Sénégal .
  