“Animal Physiology and Ethology” course is an indispensable source of knowledge for students, teachers and professionals seeking to better understand the complex and fascinating world of animal behavior and physiological processes. Created by a team of authors, this guide combines modern scientific achievements and practical experience, making complex topics accessible and exciting for a wide audience interested in biology, zoology and veterinary medicine. The focus of this tutorial is on two key areas that are closely intertwined and complement each other: animal physiology and ethology. The author’s team masterfully reveals the internal mechanisms that control the life of animals, starting with the basics of the nervous system and ending with complex behavioral reactions. The reader is immersed in an amazing world of adaptations, survival mechanisms and communication, learning how physiological processes affect behavior and vice versa. At the same time, the book introduces the ethical aspects of the study of animals, their natural instincts and social structures, which makes it especially relevant for those who appreciate the humane treatment of animals and the scientific understanding of their world. This manual is ideal for students of veterinary, biological and zoological faculties, as well as teachers looking for modern and structured material for lectures and practical classes. It will also be interesting for those who are engaged in research activities in the field of animal behavior or work in the field of zootechnics and nature conservation. The age audience is most likely people over 16 who have basic knowledge in biology and want to expand their horizons by delving into the interdisciplinary analysis of the physiological and behavioral aspects of animals. The peculiarity of this manual is its wealth of illustrations, diagrams and practical examples that help to better understand complex concepts. The author's style is distinguished by clarity, logic and scientific accuracy, which makes the material both accessible and professional. The book raises important topics, such as mechanisms of perception, stress response, social behavior, instincts, and adaptation to the environment. Particular attention is paid to modern research methods and practical aspects of the application of knowledge in veterinary medicine, zootechnics and nature conservation. “Training manual on the course “Physiology and ethology of animals” is not just a textbook, but a guide to the amazing and multifaceted world of animals. It is deservedly ranked among the best textbooks on zoology and physiology, due to its current content, structured presentation of material and wealth of scientific data. By reading it, you will not only expand your knowledge, but also open up new horizons of understanding the nature and behavior of living beings, which makes it an indispensable assistant for all who appreciate wildlife and strive for professional development in the biological sciences.