books.google.com - An introduction to the life cycle of cattle from birth to adult, discussing appearance, food, instinct, and nurturing....https://books.google.com/books/about/Cows_Have_Calves.html?id=TUNcxC3H_z8C&utm_source=gb-gplus-shareCows Have Calves
Lynn M. Stone has written hundreds of children's books and many articles on natural history for various magazines. He has photographed wildlife and domestic animals on all seven continents for such magazines as National Geographic, Time, Ranger Rick, Natural History, Field and Stream, and Audubon. Lynn Stone earned a bachelor's degree at Aurora University in Illinois and a master's degree at Northern Illinois University. He taught in the West Aurora schools for several years before becoming a writer-photographer full-time. He lives with his wife and daughter in Batavia, Illinois.