英文關鍵字
adult
alert
and
animal
animals
around
autumn
background
behaviour
bird
black
boy
cairngorms
calling
camera
chicks
close
construction
during
early
factory
feathers
fed
feeding
fire
fireplace
flight
flying
fountain
hare
hill
hirundinidae
industrial
industry
july
lepus
looking
machine
metal
mountain
national
natural
nature
near
nest
nesting
old
park
passerine
people
shed
side
site
sitting
song
steam
steel
swallow
swallows
swift
timidus
train
vintage
water
wings
woman
worker
young