Lissotriton vulgaris (Smooth Newt). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T59481A11932252.
Pelophylax esculentus (Edible Frog). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T58594A11794484.
Rana arvalis, Altai Brown Frog (Altai Mountains Populations). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T58548A11800564.
Rana temporaria (European Common Frog). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T58734A11834246.
Triturus cristatus (Northern Crested Newt). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T22212A9365894.
Triturus dobrogicus (Danube Crested Newt). In: The IUCN Red List of Threatened Species 2009. IUCN Red List; 2009. e.T22216A9366668.