The history of the development of the Young naturalists movement, the features of the directions on which young naturalists worked for a century and interesting facts about the flora and fauna of the republic. On June 19 the Republican festival of young naturalists will be held in the Krutushka village of the Vysokogorskiy district. The organizers of the event, dedicated to the celebration of the 100th anniversary of the Young naturalists movement in Russia, are the Ministry of Ecology and Natural Resources of the Republic of Tatarstan, the Youth Environmental Movement "Will Be Clean," the City Children's Ecological and Biological Center in Kazan.