On Saturday the interactive lesson about odd and even hoofed animals was held on the territory of the Shirvan reservation, which is situated in the half-desert zone of Salyan region. Built in the 1969 this reservation had about 77 species of antelopes. Amount of the animals is increased up to 8 thousands. There is largest area of the antelopes in the Caucasus. The territory is organized into the reservation in 2005 by the Presidents edict.