Caleb Graham’s Reviews > The Third Chimpanzee: The Evolution and Future of the Human Animal > Status Update

Interesting: correlation between size difference in males and females and polygamy. Elephant seals have up to 48 ‘wives’ as they are triple the size of females. Gibbons on the other hand are the same size and hence monogamous.

Cladistics taxonomists argue for objective and uniform classifications for species. Humans differ from chimps (1.6%) which is less than many species classes in the same genus. Hence the name of this book - human, common chimp, pigmy chimp