英文關鍵字
air
animal
avian
background
beak
beautiful
bird
birding
birdwatching
black
blue
canada
dove
duck
environment
fauna
feather
flies
flight
flock
fly
formation
freedom
goose
grass
group
gull
hope
lake
life
migration
natural
nature
peace
pigeon
seagull
sky
summer
sun
symbol
together
view
water
waterfowl
white
wild
wildlife
wing
wings