Red Book of the Magadan Region official publication on the state of rare endangered species of natural fauna and flora of the region, the list of which is approved by the Government of the Magadan Region . Summary of information on the appearance, distribution (in general and within the region), habitat, modern numbers and biology of 115 species of animals, 119 species of plants and 38 species of fungi Limiting factors, threats, and necessary security measures are discussed. For each species, an illustration, a map of the distribution in the region and a complete bibliography. For expert assessment of the threat of extinction of regional populations, the system of categories and criteria recommended for the Red Books of the subjects of the Russian Federation. was applied. The book is addressed to authorities of various levels, nature users, researchers, students of secondary schools, students and teachers of higher and secondary educational institutions of biological profile, a large circle of nature lovers and local historians .