英文關鍵字
also
are
bird
box
called
city
conditions
control
controlled
crop
cull
danger
derived
destroy
dirt
disagree
domestic
doves
eat
eating
effect
energy
environmental
exrement
feather
fed
feed
feeding
feral
fighting
flock
food
garden
gorge
have
high
large
natural
nature
park
peanuts
pest
pigeons
priority
returned
rip
safe
safety
squirrel
street
swallow
that
town
urban
wild
wind
winds