Shrubb, Michael Birds, scythes, and combines : a history of birds and agricultural change / Michael Shrubb - Cambridge, UK ; New York : Cambridge University Press, 2003 - xi, 371 p. : ill., maps ; 24 cm. Includes bibliographical references (p. 341-362) and index ISBN: 9780521814638 0521814634 Subjects--Topical Terms: Agriculture--History--Great BritainAgricultural ecology--History--Great BritainBird populations--History--Great BritainBirds--Habitat--History--Great BritainBirds--Conservation--History--Great Britain