The book of the famous Soviet zoologist and naturalist Yevgeny Pavlovich Spangenberg (1898-1968) introduces the reader into the beautiful world of wildlife. In a fascinating form, the author talks about the life of animals and birds in freedom and in captivity, teaches to take care and care of the natural resources of our Motherland. The book is illustrated with numerous drawings by the famous animal artist A.N. Komarov.