英文關鍵字
anas
animal
animals
aquatic
avian
background
beak
beautiful
bird
birding
birds
birdwatching
clip
duck
ducks
environment
europe
feather
flight
flying
footage
gadwall
gadwalls
lake
life
male
movie
natural
nature
ornithology
outdoor
outdoors
park
plumage
pond
reflection
spring
strepera
video
watching
water
waterbird
waterfowl
wild
wildlife