An Introduction to Ornithology by Wallace, George J.; Mahan, Harold D - 1975

New York: Macmillan, 1975. Third Edition. Third Edition. Near Fine/No Jacket. Third edition. No jacket. Top page ridge lightly foxed. 1975 Hard Cover. xiv, 546 pp. Blue cloth boards. Black-and-white illustrations throughout. CONTENTS: Introduction: Learning about Birds; Origin, Speciation, and Classification; Feathers, Molts and Plumages; Bones, Muscles, and Locomotion; Digestion, Food, and Feeding Habits; Other Metabolic and Physiological Functions; Coordination: The Brain, Sense Organs, and Hormones; Bird Behavior; The Annual Cycle: Arrival, Territory, Courtship, and Mating; The Annual Cycle: Nests, Eggs, Incubation, and Hatching; The Annual Cycle: Postnatal Life; Migration; Distribution; Ecology; Birds in Our Lives; Conservation: To Save or Not to Save; Appendices: I. Ornithological Organizations and Their Journals, II. Ornithological Collections, III. Endangered Species Lists; Literature Cited; Index.