英文關鍵字
animal
baby
barn
beak
beg
bird
birdnest
breeding
brood
busy
care
chick
chicks
childhood
clay
competition
family
feather
feed
female
fledgling
group
habitat
hirundine
home
hunger
hungry
immature
juvenile
martin
mouth
nature
nest
nestling
new
newborn
one
pleasant
rural
small
spring
summer
sun
swallow
tern
wild
wildlife
yellow
young