英文關鍵字
animal
animalia
animals
aves
beak
beautiful
bird
birds
black
chordata
chroicocephalus
grooming
group
gull
gulls
headed
laridae
legs
low
mirror
motion
nature
nobody
outdoor
people
plumage
red
reflection
sea
seabirds
seagull
slow
tide
water
white
wild
wildlife