英文關鍵字
anatidae
anseriformes
atratus
baby
background
beautiful
bird
birds
black
black_duck
black_swans
blue
blue_flower
canal
chordata
color
colors
concern
cygnus
drink
duck
earth
flowers
gray
green
lake
lankan
leaf
mother
natural
nature
naturel
pond
pool
population
reservoir
shadows
sound
sri
stable
swan
swans
waer
water
white
wildlife
wildlife_videography