Acacia is a genus of 1,300 species of trees and shrubs that are native to tropical and subtropical regions of the world. Many ...

The Ol Jogi landscape is classic East African savanna, with rocky outcrops standing proudly above wooded grassland. In the dry season, the green of the dominant acacia trees stands out against the ...

revealing an ecological shift in East Africa's savannas involving the "big-headed" ant and its impact on the giant African lion's hunting habits. Native ants historically protected acacia trees in ...