The book "Report on the migration of birds in the spring and autumn of 1880. [Second Report]" is the result of a large study by famous ornithologists - Harvey-Brown J. A. (John Alexander), Kordo John and Kermode F. M. C. (Philip Moore Callow ). In this work, they describe in detail the mechanisms of bird migration in 1880, in particular during the periods of spring and autumn migration. The authors pay attention to certain aspects of migration, such as the travel routes of birds, the influence of weather conditions on their routes and arrival times, as well as the relationship of migration with other factors of the natural environment. The book contains numerous valuable observations, graphs and cartographic materials that contribute to a better understanding of bird migration processes in the relevant period. "Report on the Migration of Birds in the Spring and Autumn of 1880. [Second Report]" is a must-read for anyone interested in natural history, ornithology, and biology, as well as for those who wish to study in depth the phenomenon of bird migration and its relationship to ecological situation in a specific historical period.