英文關鍵字
adult
anas
animal
beak
bird
dabbling
duck
eurasian
europe
eyebrow
female
floating
fresh
grass
green
lake
leaves
male
mareca
natural
nature
nobody
one
park
penelope
plumage
pond
russia
siberia
spring
surface
swimming
view
water
waterfowl
widgeon
wigeon
wild
wildlife