英文關鍵字
animal
avian
beak
bird
brown
calm
clean
cleans
drake
duck
feather
feathers
green
lake
male
mallards
nature
ornithology
plumage
pond
reflection
river
sea
serene
stone
swim
tranquil
water
waterfowl
wild
wildlife
wing
英文關鍵字
animal
avian
beak
bird
brown
calm
clean
cleans
drake
duck
feather
feathers
green
lake
male
mallards
nature
ornithology
plumage
pond
reflection
river
sea
serene
stone
swim
tranquil
water
waterfowl
wild
wildlife
wing