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
Francis (given name) Francis (given name) Francis is a French and English given name of Latin origin. Francis is a name that has many derivatives in most European languages. The female version of the name in English is Frances, and (less commonly) Francine. (For most speakers, Francis and Frances are homophones or near homophones; a popular mnemonic for the spelling is "i for him and e for her".) The name Frank is a common diminutive for Francis and Franny for Frances. Francesco ("the Frenchman" in medieval Italian) was the name given to Saint Francis of Assisi (born "Giovanni di Pietro di Bernardone") by