英文關鍵字
animal
backyard
beak
bird
birding
birds
birdwatching
blackbird
bluetit
city
common
ecosystem
environment
err
european
fea
feathers
feeder
feeding
flying
food
garden
her
hungry
iridescent
motion
movie
nature
ornithology
perch
perched
plumage
quarrel
rds
robin
slow
songbird
sparrow
speckled
spring
starling
starlings
window