英文關鍵字
animal
attentive
babies
beak
beautiful
beauty
bird
birdhouse
brown
caring
cute
daytime
eat
family
feathers
feed
female
fledgling
fly
food
helpless
house
hungry
little
male
mother
nature
nest
new
newborn
outdoors
outside
parents
protect
protective
small
songbird
sparrow
spring
summer
tree
wildlife
wings
wood
young