Rakitskaya Tatyana A. RussiaSt. PetersburgNational Research University of Information Technologies, Mechanics and Optics, liter A, 49 Kronverksky Prospekt, St. Petersburg 197101, Russiarta20002@gmail.com Author's articles Hybridization and distribution of cryptic species of green toads (Bufotes) (Bufonidae, Amphibia) in Republic of Dagestan (Russia)