Dinosaur mass of adults among these dinosaurs suggest that the eggs were primarily brooded by the male, and that the young were highly precocial, similar to many modern ground-dwelling birds. Some dinosaurs are known to have used gizzard stones like modern birds. These stones are swallowed by animals to aid digestion and break down food and hard fibers once they enter the stomach. When found in association with fossils, gizzard stones are called gastroliths. The discovery that birds are a type of dinosaur showed that dinosaurs in general are not, in fact, extinct as is commonly stated. However, all non-avian dinosaurs,
Five Go to Demon's Rocks Five Go to Demon's Rocks Five Go to Demon's Rocks is the nineteenth novel in "The Famous Five" series by Enid Blyton. It was first published in 1961. Julian, Dick and Anne are coming to Kirrin to stay for a couple of weeks with their cousin, George (Georgina by rights), but Quentin's colleague Professor Hayling and his son Tinker (and monkey Mischief) arrive first. There isn't enough room at Kirrin Cottage for everybody to stay, so Tinker suggests he and the Five go to his lighthouse at Demon's Rocks up the coast. On arrival at the lighthouse, they settle in,