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,
Chinese given name given name as a single word with no space between the letters of the two characters: for example, the common name 王秀英 is properly rendered either with its tone marks as Wáng Xiùyīng or without as Wang Xiuying, but should not be written as Wang Xiu Ying, Wang XiuYing, Wangxiuying, &c. The earlier Wade-Giles system accomplished the same effect by hyphenating the given name between the characters: for example, the same name would be written as Wang Hsiù-Yīng. However, many Chinese do not follow these rules, romanizing their names with a space between each. This can cause non–Chinese-speakers to incorrectly