you would have seen acacia trees covering the savannah. But acacia numbers are now dwindling because of the tiny ants. Elephants like to eat acacia trees but are often held at bay by acacia ants.

Then arrives the big-headed ant, which effectively kills these native acacia ants that protect the whistling-thorn tree. Big-headed ants overrun the place over the past two decades, do not protect ...

Native ants historically protected acacia trees in Kenya's Ol Pejeta Nature Conservancy, but the invasive big-headed ants disrupt this harmony, leaving the trees vulnerable to destruction by ...

Africa 's ecosystems are teeming with intriguing dynamics, and the whistling thorn acacia holds center stage in the savannah ...