英文關鍵字
animal
animals
beaver
biology
brown
closeup
coypu
coypus
cute
eating
europe
fauna
fur
gnawer
grass
lake
life
mammal
muskrat
myocastor
natural
nature
nibbling
nutria
otter
outdoor
outdoors
rodent
rodents
swamp
swim
teeth
water
wet
whisker
wild
wildlife