natrix tessellata
adult
animal
aquatic
background
biology
brown
closeup
colubridae
dangerous
dice
european
eyes
fauna
freshwater
green
herpetology
macro
natricinae
natrix
nature
nonvenomous
predator
rattlesnakes
reptile
river
scales
serpent
serpentes
serpentine
skin
snake
snakes
species
squamata
stone
tessellata
vertebrate
water
wild
wilderness
wildlife
zoology