英文關鍵字
animal
appealing
baby
barn
beak
beaks
beg
bird
birdnest
breeding
brood
busy
care
chick
chicks
childhood
competition
cub
family
feather
feed
female
food
group
hirundine
home
hunger
hungry
juvenile
life
looking
mouth
nature
nest
nestling
newborn
open
orange
pleasant
shouting
small
spring
summer
swallow
wild
wildlife
yellow
young