This article was originally published on Critter Science.

The common European adder, aka marlies, prags, bardas, common viper, common European viper, European viper, European common viper, northern viper, crossed viper, adder, common adder, cross adder, common cross adder, and European adder, (talk about an identity crisis) can be found throughout Europe and into Asia. They tolerate a variety […]

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