Physiology of dinosaurs and that this was a feature they shared with birds. In 2007 Oliver Wings reviewed references to gastroliths in scientific literature and found considerable confusion, starting with the lack of an agreed and objective definition of "gastrolith". He found that swallowed hard stones or grit can assist digestion in birds that mainly feed on grain but may not be essential—and that birds that eat insects in summer and grain in winter usually get rid of the stones and grit in summer. Gastroliths have often been described as important for sauropod dinosaurs, whose diet of vegetation required very thorough digestion, but
Grover (given name) Grover (given name) Grover is a masculine given name. Grover first became popular as a given name in the United States during the presidencies of Grover Cleveland, in part of a long-standing American trend of naming babies after presidents. Cleveland's official first name was Stephen; he was named after Stephen Grover, a former minister at the church his parents attended. However, from childhood, Cleveland's friends addressed him by his middle name instead, and so what was originally the surname Grover became a given name. According to Social Security Administration data, the name Grover increased in frequency by 850 per 100,000