Natrix tessellata, Dice Snake

Natrix tessellata
photo fid9849, Petr Berka, 06.09.2012,

this photo is related to locality find:
id6819, Natrix tessellata, Bulgaria > Black Sea coast > Veleka, - m a. s., Petr Berka, 06.07.2012, 06.09.2012,