Rogers, Lesley J. Songs, roars and rituals : communication in birds, mammals and other animals / Lesley J. Rogers and Gisela Kaplan. - Cambridge, Mass : Harvard Univ. Press, 2000. - x, 207 p. ISBN: 0674008278 : KES 300 Subjects--Topical Terms: Animal communication. LC Class. No.: QL776 / .R64 2000