Re:Bonobo – A data processing toolkit for Python 3.5+
by jimnotgym on Saturday April 22, 2017 @02:31PM
(#14173941)
They have some behavioral features that tell them apart from a chimpanzee. Apparently they use sex as a greeting. It is (sort of) anthropomorphized in a hilarious way in the Will Self novel 'Great Apes'. However that may be colouring my memory of how common this is in the real creatures...
Gorillas are a whole different species and you have at least 4 subspecies of gorillas, none of which look like chimps or bonobos.