Disruption of Ant-plant Mutualism is Sabotaging Lion Hunts in Laikipia, Kenya
By Dr Daniel Stiles Key Takeaways: * An invasive big-headed ant (Pheidole megacephala) is displacing the native acacia ant that defends whistling-thorn trees against elephants at Ol Pejeta. * Big-headed ants don't bite elephants. In invaded areas, elephants break trees at five to seven times the rate of uninvaded areas.