英文關鍵字
baby
beak
bill
bird
couple
duck
ducklings
feather
ferruginea
fowl
juvenile
lake
mallard
moss
nature
offspring
ornithology
plumage
pond
ruddy
shelduck
swimming
tadorna
their
waterfowl
weed
whelp
wild
wilderness
wildlife
wing
英文關鍵字
baby
beak
bill
bird
couple
duck
ducklings
feather
ferruginea
fowl
juvenile
lake
mallard
moss
nature
offspring
ornithology
plumage
pond
ruddy
shelduck
swimming
tadorna
their
waterfowl
weed
whelp
wild
wilderness
wildlife
wing