英文關鍵字
house
sparrow
bird
feeder
eating
seeds
hungry
passer
domesticus
pecking
animal
beak
watching
birdhouse
box
brown
common
eat
environment
feed
fly
food
garden
home
hop
natural
nature
outdoor
park
passeridae
pecks
perched
roof
songbird
spring
summer
wild
wildlife
wood
wooden
world
traveller