Natrix tessellata, Dice Snake

Natrix tessellata
photo fid11305, Nenad Preradović, 31.10.2013,

this photo is related to locality find:
id7937, Natrix tessellata, Serbia > Dinaric Alps > Valjevo, Valjevas, Ваљево, - m a. s., Nenad Preradović, 28.10.2013, 31.10.2013,