英文關鍵字
anatidae
anseriformes
aquatic
bird
brahminy
bread
brown
cold
colorful
duck
feathers
feed
feet
frost
frozen
hoarfrost
ice
lake
migratory
natural
nature
orange
ornamental
outdoors
outside
plumage
pond
pool
red
roody
ruddy
sheld
shelduck
sliding
swimming
tadorninae
tail
walk
water
waterfoul
weather
webfoot
white
wild
wildlife
winter