英文關鍵字
beak
beautiful
bird
black
blue
brown
colorful
common
detachment
drake
duck
ducks
environment
family
famous
fauna
feather
feathers
female
forest
grass
green
habitat
hunting
lake
landscape
long
male
mallard
migration
most
natural
nature
park
plant
range
red
river
sky
soars
summer
swamp
tail
water
waterfowl
wild
wildlife
wing
wintering
yellow