英文關鍵字
adult
america
animal
autumn
background
beautiful
bighorn
bouncing
brown
canyon
cliff
climbing
day
daylight
deer
desert
ewe
forest
goat
head
hills
hooves
horn
horned
ibex
jumping
landscape
leaping
ledge
male
mammal
mountain
national
natural
nature
one
outdoor
park
rock
rockies
rocky
shaggy
ungulate
western
wild
wildlife
yellowstone
zoo