Humans are not off the hook for extinctions of large herbivores — then or now
Hippos at Gorongosa National Park. Brett Kuxhausen, Author provided, Author provided By René Bobe, University of Oxford and Susana Carvalho, University of Oxford What triggered the decline and eventual extinction of many megaherbivores, the giant plant-eating mammals that roamed the Earth millions of years ago, has long been a mystery. These animals, which weighed 1,000kg or more and included the ancient relatives of modern elephants, rhinos, hippos and giraffes, reached a peak of diversity in Africa some 4.5m years ago…