Vipera berus, Common Viper, Adder

Vipera berus
photo fid5860, Petr Balej, 06.07.2009,

this photo is related to locality find:
id956, Vipera berus, Bulgaria > Rila Mts. > chata Jastrebec, Jastrebec cottage, 1800 m a. s., Petr Balej, 14.05.2007, 05.07.2007, 1 adult female