英文關鍵字
animal
background
beak
beautiful
bird
birds
blue
bread
carrier
crowd
day
dove
duck
eat
feather
feed
flight
flock
fly
flying
food
freedom
group
gull
isolated
life
meal
natural
nature
outdoors
pig
pigeon
pigeons
sea
seabird
seagull
seagulls
sparrow
street
summer
urban
vector
waiting
water
white
wild
wildlife
wing