About the book: 1988 / Why was Australia inhabited only by marsupials and egg-laying animals before the arrival of humans? Who is stronger: a lion, a tiger or a bear? Secrets behind the needles - about the incomprehensible habits of hedgehogs. Forty thousand voles. About animals in plate armor. Whale Parade. Igor Akimushkin invites readers to take him on a fascinating journey into the animal kingdom. In this book, the author talks about the world of mammals. The theme of human responsibility for the fate of animals on our planet runs through the entire book..