About change of the mammals list and categories in The red book of Republic Mordovia

The updated list of 29 mammals species to be included into the second edition of the Red Book of RepublicMordovia is presented. It is necessary to exclude 7 mammals from the present list of rare species and to add there5 new ones. A category should be changed for one third of the species. It is recommended to establish subcategories for specification of a rarity category.