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
Graham (given name) settlements of smaller size than villages. In the 12th century the surname was taken from England to Scotland by Sir William de Graham, who founded Clan Graham. Variant spellings of the forename are "Grahame" and "Graeme". The forename "Graham" is considered to be an English and Scottish given name. Its origin as a surname has led to its occasional use as a female given name, as for example in the case of Graham Cockburn, a daughter of Henry Cockburn, Lord Cockburn. Graham (given name) Graham () is a masculine given name in the English language. According to some sources, it