While there are three snake species native to the UK, only one is venomous - the adder. They are recognisable due to their "distinctive" zig-zag pattern and "striking" red eyes. The RSPB added ...

It does not necessarily reflect the view of The Herald. While there are three snake species native to the UK, only one is venomous - the adder. They are recognisable due to their "distinctive" zig-zag ...