英文關鍵字
america
young
rangifer
tarandus
boreal
caribou
herbivore
standing
wilderness
north
canadian
woodland
herd
tundra
nature
wildlife
park
winter
animal
snow
canada
reindeer
wild
mammal
cold
forest
grazing
horn
season
seek
white
northern
fur
deer
male
brown
arctic
landscape
food
shelter
forestdwelling
migration
migratory
refuge