NAIROBI, Kenya – NAIROBI, Kenya (AP) — Tanzania's Serengeti is a vast plain dotted with acacia trees and watering holes, where wildebeest and zebra gather in huge herds for annual migrations. But ...
Why do Serengeti zebra, wildebeest, and gazelle – all sharing limited food resources – follow the same migratory routes, one after another, in a body-size dependent way? This longstanding question has ...
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, is ...