is an adder a native british animals
The Adder is one of three British species of snake (the others being the grass snake and the very rare smooth snake).It is the only one of the three which is poisonous and the most common of the three. They can often be seen crossing paths on sunny days or basking in warm places as they are cold blooded.he Adder is one of three British species of snake (the others being the grass snake and the very rare smooth snake).