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Keywords from Image Description:
Deutschlands Amphibien und Reptilien . Taf IX Kreuztleiu Vipera beriis Weibchen Mannchen Schwarze Spielart Taf IX Illustration biodiversitylibrary org title Drigen Bruno NameFound Vipera NameConfirmed Vipera EOLID NameBankID Biodiversity Heritage Library Deutschlands Amphibien und Reptilien Amphibians Germany Reptiles