adult
aggressive
america
american
animal
bison
blue
body
brown
buffalo
bull
coat
colorado
cow
dangerous
dark
dirt
eyes
field
footed
fuzzy
genetically
grass
graze
green
hair
heavy
herd
high country
hoof
horn
large
male
mammal
mature
mountains
nature
outdoor
plains
prairie
pure
range
rocky mountain
species
tough
ungulate
wild
wildlife