Lions aren’t the only carnivore affected by poison

Fossil records reveal that more than 20 hyena species roamed the earth as recently as 10 million years ago but most of these species are now extinct.  Currently, only four extant members of the carnivore Hyaenidae exist, the spotted, brown and striped hyenas, and aardwolves.  Brown hyenas are only found in South Africa, while striped…