How great apes are taught -> 
Orangutans -> Inter
Amongst all species 
Increased interspecies conflict
Increased intraspecies conflict
Lower proportions of social interactions are positive
West African chimpanzees -> enormous droughts
Tapanuli orangutan -> habitat destruction
Kalimantan
Bonobo -> illegal logging
Interspecies conflict between 
Catastrophic habitat loss has a profound effect on human culture. 
From currently available data, can we predict what impact increased population density, wide scale habitat destruction and increasing catastrophic climatic events have on great ape culture?