英文關鍵字
americana
animal
animals
antelope
antilocapra
background
brown
bugs
chewing
countryside
custer
dakota
eating
feeding
field
flies
grass
grazing
green
herbivore
horn
landscape
mammal
meadow
movement
natural
nature
outdoor
park
people
prong
pronghorn
scenic
south
standing
state
summer
tall
tan
twitching
usa
vegetation
white
wild
wildlife