A must for anyone interested in comparative physiology, poultry science, veterinary medicine, and related fields, this volume establishes the standard for those who need the latest and best information on the physiology of domestic and wild birds. Thoroughly revised and updated with new chapters on the physiology of incubation and growth. Chapters on the nervous system and sensory organs have been greatly expanded due to the many recent advances in the field. Also covers the physiology of flight, reproduction in both male and female birds, and the immunophysiology of birds.