英文關鍵字
bird
bred
breed
breeds
bright
colour
conditions
crow
danger
detail
east
eat
environment
europe
family
feather
fed
feed
feeding
flight
flock
fly
food
garden
head
image
intelligent
jackdaw
large
life
live
natural
nature
nest
pool
related
rock
safe
safer
safety
smart
species
station
trying
urban
weather
young