英文關鍵字
algae
along
bank
black
brown
closeup
colors
coluber
colubrids
crawling
crawls
dice
diced
ears
eyes
fauna
foliage
goby
good
herpetology
hunter
hunting
lurks
marshes
motion
muzzle
natricinae
natrix
nature
poisonous
predator
prey
reptile
reptilia
river
sedge
serpentine
slow
snake
swamp
swims
tongue
venomous
viper
viperine
water
whitethroated
wild
wildlife