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,
Given name Peyton came into the top 1000 as a female given name for babies in the United States for the first time in 1992 (at #583), immediately after it was featured as the name of an evil nanny in the film "The Hand That Rocks the Cradle". On the other hand, historical events can influence child-naming. For example, the given name Adolf has fallen out of use since the end of World War II in 1945. In contrast with these anecdotal evidence, a comprehensive study of Norwegian first name datasets shows that the main factors that govern first name dynamics are