Natrix natrix, Grass Snake

Natrix natrix
photo fid13407, Martin Vlček, 10.06.2015,

this photo is related to locality find:
id10121, Natrix natrix, Bulgaria > Rila Mts. > Bistritsa, Bistrica, Бистрица, - m a. s., Martin Vlček, 08.05.2015, 10.06.2015,