英文關鍵字
adult
aggression
aggressive
behaviour
bird
birds
black
bred
breed
breeding
bright
bring
busy
catch
coast
common
conditions
cull
danger
day
earth
east
eat
environment
fed
feed
feeding
fish
food
grass
gull
herring
large
living
mate
nature
nest
nesting
north
outfdoor
safe
safety
sea
stamping
suface
wet
wild
wildlife
worms
yorkshire
young