adder
animal
attack
biology
bite
body
brown
camouflage
coil
danger
dangerous
deadly
death
endangered
eye
fang
forest
green
grey
herpetology
hide
horizontal
hunter
isolated
life
model
mouth
natural
nature
outdoors
outside
poison
poisonous
pose
reptile
serpent
skin
slither
snake
spiral
strike
terror
toxic
toxin
venom
venomous
viper
wild
wildlife
zoology