The invasion of non-native species can sometimes lead to large and unexpected ecosystem shifts, as Douglas Kamaru and colleagues demonstrate in a unique, careful study that traces the links between ...

“The ant and the zebra” sounds like the title of one of Aesop’s fables. Like all good fables, this one has a moral, which is that tinkering with nature has unpredictable consequences. Unlike the Greek ...

The Rongai lion pride with cute cubs hanging out close to where they had been eating a zebra.