Leopards, who are already in decline, can't keep up with hyenas when people are around. As we humans move into the their territories more and more, we are helping to disturb and unbalance ecosystems.

As night falls over the ancient walled city of Harar, something unusual happens just beyond the gates. One by one, wild spotted hyenas slip out of the darkness, their powerful jaws and eerie calls ...

The spotted hyena is Africa's most successful predator—and one of its most misunderstood animals. But decades of cutting edge research is yielding greater understanding, respect, and protection. A ...

Here’s how complex social dynamics in pack animals like hyenas may shed light on the deep-seated biological impact of rank and community in the animal kingdom. The evolution of pack behavior is a ...

Who’s stronger? A solitary leopard or cackle of hyenas? And which is best at getting along with humans? University of Copenhagen researchers closely studied this in a large East African natural area ...

Who’s stronger? A solitary leopard or a cackle of hyenas? And which is best at getting along with humans? “We humans continue eating our way into the little bit of wilderness left in the world. As we ...