Aardwolves — the "weird cousin" of the hyena world that has peg teeth and only eats insects — are an evolutionary mystery, stemming from a ghost lineage that scientists haven't been able to figure out. Aardwolves, which translates as "earth wolves" in Afrikaans, are the smallest of the four hyena species. (Image credit: pjmalsbury via Getty Images) Name: Aardwolf (Proteles cristatus) Where it lives: Savannah and grasslands in eastern and southern Africa What it eats: Termites and ants Why it's awesome: Unlike their meat-eating relatives, these solitary, nocturnal little hyenas survive on a diet almost entirely made up of termites....