英文關鍵字
male
elk
checks
surroundings
winter
bull
antler
warm
snow
ecology
white
northern
cold
head
fur
autumn
stag
woods
deer
yellowstone
majestic
roe
forest
mammal
antlers
nature
buck
wild
brown
wildlife
resist
doe
rut
park
animal
strong
early
fauna
native
hoofed
ruminant
herbivore
antlered
american
americana
north
usa
safari
cow
grazing
new
world
cautiously