It was founded in 1939.[2] The island on which the reserve is situated is in the Aral Sea. Its territory is around 300 square kilometres. Some 250 species of plants constitute its flora. Its fauna numbers 56 species of animals, and includes, among others, the Transcaspian wild ass, goitered gazelle, corsac fox, and Eurasian wolf. There are 203 bird species in the area.