英文關鍵字
anas
animal
autumn
avian
background
beak
beautiful
bill
bird
birdwatching
black
cleaning
clypeata
coast
colorful
cute
drake
duck
edge
environment
europe
feather
freshwater
green
lake
male
natural
nature
norfolk
one
ornithology
outdoor
outdoors
people
plumage
pond
preening
reflection
ripples
river
shoveler
stunning
swim
video
water
waterfowl
white
wild
wildlife
wings