That&#x27;s not true. <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Gombe_Chimpanzee_War" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Gombe_Chimpanzee_War</a><p>That&#x27;s just one example and it isn&#x27;t exclusive to primates.