About the book: 2019 / The author is a modern scientist, Nobel Prize laureate, one of the founders of the science of animal behavior - ethology. The invaluable advantage of Konrad Lorenz's book, written a quarter centuries ago and enjoying constant popularity, lies in the fact that it vividly, simply and accessiblely talks about scientific research, awakening in the reader the desire for a deep knowledge of the world around us. DRAWINGS BY THE AUTHOR