英文關鍵字
birds
nature
animal
flight
wildlife
wild
sky
blue
white
flying
beauty
flock
wings
group
background
feather
outdoors
water
silhouette
formation
migration
fauna
freedom
many
migratory
beak
goose
landscape
cloud
travel
environment
black
season
migrant
fowl
high
colorful
air
autumn
ocean
cranes
ornithology
soar
clear
gray
gull
seagull
graceful
winter
south