Vipera berus, the common European adder or common European viper, is a venomous snake that is extremely widespread and can be found throughout most of Western Europe and as far as East Asia. The species is also the only venomous snake native to Great Britain.
You see an adder's stomach preserved in a flask, its coiled form floating in clear liquid. The snake’s scales are visible, with intricate patterns still intact. The flask’s glass magnifies its preserved, venomous organ.