英文關鍵字
animal
background
beautiful
beauty
bird
blue
bound
bundles
cage
death
difficulties
dove
dramatic
eagle
environment
falcon
feather
flight
flock
fly
flying
forest
formation
fowler
freedom
homing
jungle
landscape
line
migrate
migration
migratory
natural
nature
net
outdoor
pigeon
poor
raptor
rural
sky
struggling
sunny
trapped
waterfowl
wild
wildlife
wing
wings
woods