英文關鍵字
animal
avian
avocet
baby
background
beak
beautiful
beauty
bird
birds
black
bright
clean
dromedary
duck
ducks
environment
fauna
feather
feathers
floats
fowl
grass
green
ground
heron
lake
landscape
male
natural
nature
ornithology
outdoor
outdoors
pair
park
pelican
plumage
pond
reflection
sea
seagull
stand
stone
stork
summer
swim
travel
tree
wader
water
waterfowl
white
wild
wildlife
wing
winter
world