英文關鍵字
megaptera
humpback
chasing
ball
eating
predators
swimming
sardines
marine
whales
ocean
surface
fjord
water
fish
food
north
sea
novaeangliae
school
arctic
wildlife
underwater
undersea
norwegian
travel
pod
orcinus
orcas
orca
whale
norway
nature
mammal
killer
hunter
herrings
herring
group
animals
footage
fjords
feeding
cold
landscape