Endangered Tortoises Make a Salad of Harmful Invaders

Normally when you see "invaders" and "endangered" in the same sentence, it usually means invaders are causing trouble for a species already on its way out. That then would make the iconic tortoises found in the Galapagos Islands a very startling exception to the rule. New research has revealed that these gentle giants are completely pigging out on the islands' otherwise harmful invasive plants.