Black adder and normal adder, vipera berus,

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Photo credit: © Zoonar/Tarabalu / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adder, bardas, bergviper, berus, black, common, european, kreuzotter, marlies, melanistisch, melanistische, poisonous, prags, scharze, snake, viper, vipera, ärbung, öllenotter