The Serengeti, a huge ecosystem in east-central Africa, has captured the imagination ... on the lives of the Serengeti’s most charismatic animals, told from the inside of their world.

In large adult males, the horns meet in the middle of their heads ... a virus that’s nearly always fatal to hoofed animals—to Africa, and it caused buffalo numbers to crash across the continent.

And finally tonight, the populations of some of Africa's most iconic animals have been bouncing ... And who are they going to meet outside? The farms, you know, retaliatory attacks.