Muttaburrasaurus, was a Rhabdodontid Iguanodontid that lived in the Southern Hemisphere in Australia and Antarctica, (106-95) Million Years Ago. It was a 9 metre long, 3 tonne herbivore Dinosaur. It is theorised that it would have made trumpeting calls as a means of herd communication. It is thought that it was a migratory animals, moving North and South with the changing seasons. It was the largest summer migrant, by a considerable margin.