There are 17 nestbird species at the Volga River riverside’s precipices and slopes of right-bank ravines in the south of Saratov district in 1996–2007 were found. Spatial location of the species along the riversides is determined by sedimentary layers interchange: sands of senoman, chalks of thuron, flasks and marls of santon, flasks of palaeogene, clays of neogene.
