The author is a well-known scientist, one of the best experts in ecology, behavior, song and "languages" of birds. The book contains information about the biology of 62 species of songbirds in our country. For the first time in domestic and world literature, details are described about the features of singing, techniques for evaluating songs and analyzing the "language" of each species. Particular attention is focused on the history of the origin and settlement of each species, the relationship of birds with their natural environment, adaptive traits of behavior and communication between individuals of the same and related species.