The ninth edition of this textbook on animal behavior has been revised to include the latest research in the field and new online teaching resources such as PowerPoint presentations, a video collection and test questions and exercises. Alcock (animal behavior, Arizona State U.) examines the causes of such behavior as birdsong, neurons and hormones, adaptations for survival, communication, reproductive and mating systems and parental care. Students will appreciate the hundreds of color photographs and diagrams that accompany the text. Annotation 穢2009 Book News, Inc., Portland, OR (booknews.com)