photos -- taxonomy -- evolution -- morphology -- distribution -- biotopes and way of life -- biology -- ecology -- protection
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References:
Boris S. Tuniyev and Sergei V. Ostrovskikh, 2001.Two new species of vipers of "kaznakovi" complex: Vipera orlovi, Vipera magnifica (Ophidia, Viperinae) from the Western Caucasus.
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