Invasive ant causes chain-reaction, sparing zebras from lions in Kenya
It almost sounds like a fairytale: a tiny ant dramatically impacting a giant lion. But thanks to a study that reveals just how interconnected all life forms really are, researchers have just figured out that it happened on the savannas of Africa.Sometime around the turn of the last century, an invasive ant species known as Pheidole megacephala, believed to come from the island of Mauritius, began to establish itself in earnest at the Ol Pejeta Conservancy in Kenya. These big-headed ants, as they are more commonly known,…