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
Dana (given name) mainly by Arabs of the Persian Gulf (Eastern Arabia), due to their traditional pearl diving professions wherein they gave different type of pearls names. It is used in the Arab world as a female name. In Hebrew, the name Dana means "arbiter" or "God is my judge". In Sanskrit and Pali, the word means "generosity". In Romanian and Czech, it is a feminine name, derived from the name Daniela; the masculine form being Dan/Daniel. Dana (given name) Dana is a given name used for both genders. It was among the 100 most popular names given to girls born in the