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,
Oliver (given name) "Oilibhéir", Scottish Gaelic "Oilvreis", Italian "Oliviero", Spanish "Óliver". The name was introduced to England by the Normans. It was commonly used in medieval England, but became rare after the Restoration, because of the unpopularity of Oliver Cromwell. The name was revived in the 19th century, possibly inspired by the title character of Dickens' "Oliver Twist" (1838). Pet forms of the English given name include "Ollie" and "Noll". In 2013 it was the fifth most popular name for boys in Australia. Oliver (given name) Oliver is a masculine given name of Old French origin; "Oliver" is one of Charlemagne's retainers in