Avian Physiology by Paul D. Sturkie is a comprehensive textbook that explores the physiological processes and adaptations of birds. The book covers a wide range of topics including the anatomy and physiology of the avian respiratory, cardiovascular, digestive, and reproductive systems, as well as the mechanisms of thermoregulation and metabolism in birds. In addition, the book delves into the physiological adaptations of birds to their diverse habitats, including high altitude, extreme temperatures, and aquatic environments. The text is written in an accessible style, making it suitable for students and researchers in the field of avian biology, as well as anyone interested in learning more about the fascinating physiology of birds. The book includes numerous illustrations, diagrams, and tables to aid in understanding the complex physiological processes discussed. Overall, Avian Physiology is an essential resource for anyone interested in the biology of birds and their incredible adaptations to the natural world.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.