英文關鍵字
animal
backyard
beak
bird
birdhouse
birds
birdwatching
blackbird
common
copy
environment
european
feather
feathers
feeder
feeding
flying
food
garden
home
hungry
isolated
nature
ornithology
outdoors
perch
perched
plumage
robin
season
songbird
space
sparrow
speckled
spring
starling
starlings
sturnus
suet
thrush
tree
urban
vulgaris
wild
wildlife
window
wings