英文關鍵字
adult
asia
asian
bred
breeding
clawed
claws
danger
detail
digits
eat
enclosure
environment
extend
family
fed
feed
feeding
feeds
food
force
group
life
live
mate
native
natural
nature
not
oriental
otter
pads
park
population
safe
safety
search
short
smallclawed
south
southeast
species
webbed
wild
wildlife