英文關鍵字
aerial
africa
african
animal
asia
asian
avian
behavior
bird
body
branch
color
colorful
duck
endangered
enormous
fauna
feather
feature
flora
foliage
forest
jungle
lake
leaf
malaysia
mute
national
natural
nature
outdoor
park
protected
protection
reserve
shelduck
species
swan
swimming
territory
tree
tropic
tropical
vertebrate
vivid
water
wild
wilderness
wildlife
wing
zoo
zoologic
zoological
zoology