Located in the southern part of Astrakhan region.
Immense numbers of waterbirds breed in the delta, including 56,800_pairs of herons (Ardeidae), cormorants Phalacrocorax, Plegadis falcinellus and Platalea leucorodia alone, although this total has decreased in recent years. During migration, a total of 7_million waterbirds pass through the area in spring, and 5--10_million in the autumn. The number of waterfowl overwintering in the delta depends on the severity of the weather, but can include important numbers of Cygnus cygnus.
BirdLife International (2019) Important Bird Areas factsheet: Volga Delta. Downloaded from http://www.birdlife.org on 24/01/2019.