英文關鍵字
alone
anatidae
animal
background
beak
beautiful
beauty
bird
blue
brahminy
brown
camera
colored
colorful
cute
daylight
duck
feather
ferruginea
ferrugiunea
float
grass
green
lake
mallard
migratory
nature
neck
orange
outdoors
pond
reflection
resting
river
ruddy
scene
scenery
scenic
serene
shelduck
shore
shot
sky
springtime
standing
summer
swim
swimming
tadorna
turn
water
waterfoul
waterfowl
wild
wildfowl
wildlife