英文關鍵字
attractive
beak
bird
birds
black
common
conditions
crows
day
diet
eat
eating
environment
feathers
feed
feeding
feral
flock
fly
food
garden
house
large
magpie
nature
observe
park
pigeons
plumage
residents
safe
safety
scraps
seaside
stand
sun
thrown
urban
wings
winter