英文關鍵字
algae
aquatic
bog
brazil
buzz
capybara
cavy
cool
dip
drive
away
ear
epecuen
fen
flap
flies
giant
greater
gregarious
habitat
head
horseflies
hydrochaeris
hydrochoerus
ibera
insect
lake
marsh
mashland
national
natural
nature
nose
pantanal
park
plant
provincial
rodent
soak
south
america
species
surface
swamp
swat
swim
vegetation
water
wetland
wild
wildlife
swims
freshwater
pond
thailand