He played, tossed clumps of grass into the air, trumpeted – and didn’t realize how far he had strayed from the herd.

When he finally looked around, only the endless savanna stretched out before him. The calf stopped, and fear began to grow in his belly. Just then, the bushes rustled – and hyenas appeared. Eight adults surrounded the little one. Their eyes glowed yellow, their teeth flashed in anticipation of an easy prey.