The dilophosaurus lived in desert conditions in what is now North America. It was well equipped for life in dry areas, with legs that could walk long distances and two large, thin crests on its head. The crests may have served dual purposes: as a colorful display to attract mates or show threats and as a heat radiator to cool its brain and blood. Pop culture depicts this dinosaur as a frill-necked venom-spitter, but there is no evidence to suggest it had either frills or venom. The purpose of Di