英文關鍵字
adder
africa
african
aggressive
ambush
animal
arietans
bands
bars
bitis
black
blunt
brown
camouflage
chevron
closeup
coiled
coiling
common
cytotoxin
dangerous
dark
deadly
defensive
detail
dry
environment
eyes
fauna
footage
grass
ground
habitat
individual
kenya
markings
motion
movement
moving
natural
nature
nocturnal
one
outdoors
outside
pattern
poisonous
predator
puff
reptile
reptilian
rocks
rocky
rounded
scales
scaly
serpentine
silvergray
slither
snake
snout
solitary
terrestrial
texture
tongue
vegetation
venomous
video
viper
viperidae
white
widespread
wild
wildlife
zoology