One of the most famous studies of birds in Russia. Professor of the Moscow University, corresponding member of the Russian Academy of Sciences Mikhail Menzbir (1855-1935) is one of the world's most prominent zoologists, whose activity is a whole epoch in the development of zoological knowledge, first of all - ornithology and zoogeography. The most important event in the domestic zoology end of the XIX century was the publication of the labor Menzbira...