Natrix natrix, Grass Snake

photo fid839, Petr Vlček, 05.02.2007, David Vlcek on photo; "S" shaped front part of body is varning for disturber before assault

this photo is related to locality find:
id647, Natrix natrix, Bulgaria > Black Sea coast > Primorsko, 20 m a. s., Petr Vlček, 09.07.2005, 05.02.2007, ssp.persa, active defence by biting

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Natrix natrix:

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