英文關鍵字
bath
beak
bill
bird
blackheaded
blue
calm
cleaning
family
feather
feathers
flock
gull
gulls
having
lake
larus
nature
ornithology
plumage
ridibundus
sea
wash
washing
water
wild
wilderness
wildlife
wing
wings
英文關鍵字
bath
beak
bill
bird
blackheaded
blue
calm
cleaning
family
feather
feathers
flock
gull
gulls
having
lake
larus
nature
ornithology
plumage
ridibundus
sea
wash
washing
water
wild
wilderness
wildlife
wing
wings