Posted: Mar 04, 2016 10:24 am
Chimpanzees in the savannah of Guinea and the forests of Liberia have been captured picking up stones and throwing them at a tree as well as placing them gently at the base
Chimpanzees in Guinea and the forests of Liberia have been observed picking up stones and throwing them at a tree as well as placing them gently at the base - behaviour that appeared to serve no purpose and could be evidence of "ritualistic behaviour" in animals.
"What we saw on this camera was exhilarating – a large male chimp approaches our mystery tree and pauses for a second. He then quickly glances around, grabs a huge rock and flings it full force at the tree trunk," said Laura Kehoe, PhD researcher at Humboldt University of Berlin.
Continues: http://www.telegraph.co.uk/news/science ... hrine.html