The Call of the Wild CorythosaurusnnThe family surprises Mom for her birthday with a trip to a concert given by Cory and her family of Corythosaurus, who play music through the crests on their heads.nnFun Fact: The giant duck-billed hadrosaur known as Corythosaurus had a large head crest that would have been a great visual signal, and yet could also have been used to hoot and toot. A great analogy for the crest of Corythosaurus would be a French horn, where the sound goes through a long rounded tube and is amplified as a result.nnTriceratops for LunchnnOur Pteranodon family eats lunch with their friend Tank Triceratops and discovers that he and his family are all plant-eaters, with great leaf-eating teeth and giant appetites!nnFun Fact: By studying the teeth and jaws of dinosaurs, scientists can tell what kind of food they ate. Triceratops teeth show that they were herbivores.