acre
action
active
animal
background
breed
brown
canine
cracks
cute
desert
dig
dog
dried out
dry
fast
field
fit
free space
freedom
fun
funny
happy
heat
hide
hole
holiday
hot
jack russell
joy
leisure
mammal
movement
natural
nature
outdoor
outdoors
outside
pet
play
purebred
run
sand
sport
summer
sun
terrier
vacation
wild
young