Oh darn! I was hoping to guess the ethnicity before the pics came up but I win anyway! I knew it beforehand, I promise! Show of hands who else knew.
Up to then it was practically tied among Trobriand Islanders, Swedes and immigrants from Nauru and Tuvalu.
👏👏👏👏
Overly aggressive behavior is linked to genetics and can influence how quickly someone reacts with anger by affecting brain regions like the amygdala and hypothalamus and these hippos have active hypothalami and overactive amygdalas.