英文關鍵字
action
afternoon
aggression
american
animal
antlers
behaviors
bugle
bugling
bull
canadensis
cervus
clash
colorado
deer
dominant
elk
evening
fighting
leadership
male
mammal
mating
meadow
mountain
mountains
national
natural
nature
park
rockies
rocky
rockymountain
rut
rutting
states
sunset
united
wapiti
west
wild
wildlife
wrestling