英文關鍵字
animal
antarctic
antarctica
arctic
base
behaviors
carbon
climate
cold
encounter
floe
fur
global
harbour
hydrurga
ice
iceberg
icecap
isolated
leopard
leptonyx
life
mammal
marine
melting
mountain
nature
north
ocean
pack
pole
predator
resting
sea
seal
sleepin
sleeping
snow
south
travel
video
warming
water
white
wild
wildlife
winter