Common European adder | Vipera berus berus

Balkan cross adder | Vipera berus bosniensis


Seoane’s viper | Vipera seoanei seoanei


Walser’s viper | Vipera walser


Karst viper | Vipera ursinii macrops


Asp viper | Vipera aspis aspis


Alpine Asp viper | Vipera aspis ‘atra’


Central Italian Asp viper | Vipera aspis francisciredi


Lataste’s viper | Vipera latastei latastei


Nose-horned viper | Vipera ammodytes


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