grass snake, ringed snake, water snake, natrix natrix, eurasian, non-venomous, colubrid snake, swimming in the water

adult animal animals background barred beautiful beauty blue brown carnivore closeup colorful colubrid danger dangerous dark environment eurasian fangs grass grey helvetica lake long natrix natural nature non-venomous nonvenomous outdoor park pattern pond predator reptile ringed ripple river skin snake summer swim swimming texture tropical water wave wet wild wilderness wildlife