adder
ader
aggressive
animal
beautiful
brown
close up
closeup
color
colorful
danger
dangerous
deadly
endangered
european
fauna
female
frightening
habitat
herpetology
hungarian
meadow
nature
orsinii
poison
poisonous
portrait
protected
rakosiensis
rare
reptile
reptilian
romania
scales
scarce
snake
species
threatened
toxic
toxicity
ursinii
venom
venomous
viper
vipera
viperidae
wild
wildlife
zoology