Perhaps the most puzzling question Jared Diamond encounters as he investigates animal domestication is: Why were no large mammals ever domesticated in tropical Africa? Africa, south of the Sahara ...

The mysterious, silent giants face increasing threats in Africa. Relocating animals to create new populations ... in place while it dries on a giraffe-shaped styrofoam form. Giraffe numbers ...

They’re distinguished by coloring, size, and even horn shape. There’s also the forest ... that’s nearly always fatal to hoofed animals—to Africa, and it caused buffalo numbers to crash ...