英文關鍵字
animal
autumn
beak
bill
bird
brown
cold
drake
duck
eye
fall
fauna
feather
float
fowl
green
horizontal
itch
lake
mallard
motion
move
nature
outdoors
outside
park
plumage
pond
profile
reflection
river
scratch
scull
surface
swimming
water
waterfowl
wet
wild
wildlife