Reports of dogs being bitten by adders at Newmillerdam:
http://www.yorkshirepost.co.uk/news/dog-killed-by-snake-at-newmillerdam-country-park-1-7787594
http://www.yorkshirepost.co.uk/news/dog-killed-by-snake-at-newmillerdam-country-park-1-7787594