Ants known to defend certain species of Acacia trees from elephant predation deter the massive herbivores so effectively that they are impacting entire savanna ecosystems, according to a study ...

If the African savannah were to lose elephants, giraffes, and other large grazing mammals, there would be unexpected ecological effects all the way down to the ants and acacia trees of the plains, ...

A herd of elephants hobbles past a cluster of acacia trees to a water-hole deep in Zimbabwe's vast Hwange game reserve, attracted by the drone of generators pumping water round the clock into the pool ...

Native acacia ants are killed by the smaller invasive big-headed ants, leaving whistling-thorn trees defenseless against elephants. Credit: Pat Milligan When people talk about the interconnectedness ...