New findings of the marsh frog, Pelophylax ridibundus (Anura, Ranidae) in the eastern part of the South Urals

In the eastern part of the South Urals, the marsh frog, Pelophylax ridibundus (Pallas, 1771) is distributed in the rivers of Volga and Ob’ basins, floodplain and off-floodplain reservoirs. We found 17 new locations for the species. For the first time we noted the species in Ilmenskoe Lake, on the territory of the National Park “Taganaj”, and in the Miass River basin in the Uchalinskij Region of the Republic of Bashkortostan and in the surroundings of the selo Ustinovo in Chelyabinsk region.