英文關鍵字
air
anastomus
animal
asia
asian
beak
bill
bird
birds
black
blue
crane
day
environment
family
fauna
feather
field
flight
flock
fly
formation
free
freedom
group
large
light
many
migrate
migrating
natural
nature
open
openbill
openbilled
ornithology
oscitans
outdoor
seagull
silhouette
sky
stork
summer
thailand
travel
white
wild
wildlife
wing
wings