An environmental lesson was conducted for pupils of the kindergarten “Solnyshko” of Kaleikino railway station village. At the event, with participation of specialists from the South-Eastern Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan, the children solved riddles on the autumn theme, sang songs, classified birds according to the categories of “migratory - wintering” and determined which tree the fallen leaf belongs to.