Yellow meadow ants weighing more than an African elephant have completely changed the landscape of one Royal Park in just a century - with half a million ANTHILLS.<br /><br />Citizen scientists studying Richmond Park in south west London found that three billion ants had created anthills in the 17th Century park, some of which are more than 150-years-old.<br /><br />The Royal Parks’ Mission: Invertebrate project saw 55 volunteers count and measure the size of mounds built by the yellow meadow ant in sample areas of the 2,500-acre park to test the theory that the biggest anthills were located in the oldest and the most ecologically-rich pastures.
