The Grevy's zebra (left) and the plains zebra may be tough to tell apart—until you examine their dietary preferences via their poop. Both images by Winfried Wisniewski/Minden Pictures/Corbis What do ...

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 ...

Populations of many of Africa's most beloved large mammals — lions, zebras, buffalos, and dozens more species — are plummeting inside the very wildlife parks that are meant to protect them. A new ...