Tetraploid Green Toad Species ( Bufo pewzowi ) from the Altay Mountains: the First Record for Russia

Tetraploid green toad, Bufo pewzowi Bedriaga, 1898 was found in Altay Republic. This is the first record of the species for Siberia and Russia in general. The distribution of diploid and tetraploid toads in Siberia and adjacent territories of eastern Kazakhstan and north-western China is outlined. Bufo pewzowi is recommended to list in the Red Data Book of Russian Federation and in regional Red Data Book of Altay Republic.