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 known as "James Soong". In Hong Kong, it is common to list the names all together, beginning with the English given name, moving on to the Chinese surname, and then ending with the Chinese given namefor example, Alex Fong Chung-Sun. Among American-born and other overseas Chinese it is common practice to be referred to primarily by one's non-Chinese name, with the Chinese one relegated to alternate or middle name status. Recent immigrants, however, often use their Chinese name as their legal name and adopt a non-Chinese name for casual use only. Proper use of pinyin romanization means treating a Chinese