Hyenas look a lot like a dog but they are not canines; they are of a species all their own, known as Hyaenidae. You can find lots of them on a visit to Kruger National Park, in South Africa. All you have to do is to stand by a waterhole and you are likely to see a hyena waiting for prey. That’s what tourist Lambert Fourie did and, sure enough, a hyena appeared. But it wasn’t there to hunt; ...