英文關鍵字
alert
america
animal
argentina
beak
big
bird
birds
black
brazil
captivity
climate
color
creature
croak
crow
day
environment
eye
fast
fauna
feather
feathers
flying
food
freedom
intelligent
light
magpie
natural
nature
ornithology
outdoors
park
people
real
scavenger
south
space
spring
summer
time
trees
watching
wild
wildlife
wing
worm
young
zoo