Female spotted hyenas are more muscular and more aggressive than their male counterparts. This is because the females have three times as much testosterone. As a result, spotted hyena societies are matriarchal.
You might think I’m wrong if I say chimpanzees are our closest living relative (cousins)! Chimps are highly social animals like us; they care for their offspring for years and live to be over 50, chimps have only A or O While humans have blood types A, B, O, and AB . In fact, we Homo sapiens […]