Natrix tessellata, Dice Snake

Natrix tessellata
photo fid778, Petr Vlček, 27.01.2007,

this photo is related to locality find:
id623, Natrix tessellata, Bulgaria > Black Sea coast > Primorsko, 15 m a. s., Petr Vlček, 14.07.2005, 27.01.2007,