This unique encyclopedic publication is the result of many years of painstaking work by the author to study the trace activity of animals in many parts of our country, in the near and far abroad. The book contains detailed descriptions and drawings of traces of 166 species of mammals, 374 species of birds and 19 species of amphibians and reptiles mainly of the Russian fauna. Fascinating is told about how to learn to decipher traces in order to find out the details of the biology, lifestyle and behavior of animals in different situations. For specialists in hunting, gamekeepers, hunters, biologists, as well as naturalist trackers and nature lovers.