Ivolga Roman A. RussiaMoscowRussian State Agrarian University –Timiryazev Moscow Agricultural Academy , 49 Timiryazevskaya Str., Moscow 127550, Russiaromanivolga@gmail.com Author's articles Comparative Characteristics of Morphometric and Reproductive Parameters of the Common Brown Frog, Rana temporaria (Amphipia, Ranidae) from the Populations of Old and New Moscow On communal egg-laying of the tiger keelback (Rhabdophis tigrinus) (Reptilia, Colubridae) in the Far East of Russia