Teeth study shows big dinosaurs trekked for food
Wednesday, October 26, 2011 - 14:01
in Paleontology & Archaeology
What did giant plant-munching dinosaurs do when they couldn't find enough to eat in the parched American West? They hit the road. An analysis of fossilized teeth adds further evidence that the long-necked dinosaurs called sauropods - the largest land creatures - went on road trips to fill their gargantuan appetites.