英文關鍵字
animal
background
beak
bird
birds
blue
brown
crested
cute
duck
ducks
feather
island
lake
mallard
middle
nature
netta
next
outdoors
people
pochard
pond
preening
red
redcrested
reflection
ripples
river
rufina
sitting
spring
video
water
waterfowl
wild
wildlife
wing