Birds of the Rockies by Leander S. Keyser is an indispensable reference book for nature and bird lovers of the Rockies. This book details most of the bird species that can be found in the North American mountains. The author talks about the peculiarities of behavior, places of residence and characteristics of different species of birds, giving the reader the opportunity to get to know and recognize them better. The book includes many photos, drawings and maps that help to learn the material more effectively. "Birds of the Rockies" is not only a source of information about the birds of the mountain landscape, but also an invitation to an exciting journey into the world of birds, which will fascinate anyone interested in the wonder of nature.