The only venomous snake in Britain, the Adder. Taken near Hathersage, in the Peak District, Derbyshire.
Canon 5D Mk II + Canon 180mm Macro at 180mm; 1/160sec at f/11; ISO 200.
This little guy was very accommodating, looking at my lens at the right time, with his cute little face framed by the grass. Taken at British Wildlife Centre, Limpsfield, Surrey.
Canon 5D Mk II + Canon 70-300mm at 300mm; 1/320sec at f/6.3; ISO 400.