around 56.5 million
Sturgeon species found in the delta are the Russian, Beluga, Sterlet, and Stellate sturgeons, in addition to migratory species such as Whitefish and Herrings. White-eyed bream and the endemic Volga lamprey. Among the unusual birds found here are the Dalmatian pelican, Great white egret, and Penduline tit.
Agriculture, hydropwer, fisheries