animal protection
animals
bars
cage
captive
captivity
catch
catching dogs
caught
cell
close up
closed
dog
dreary
enclosure
faithful
fawn
fence
fencing
freedom
friend
help
helpless
homeless
hound
houseless
locked
lonely
mongrel
mournful
muzzle
outdoor
owner free
pent
piteous
pitiful
plaintive
pooch
powerless
protection
rescue dogs
shelter
shut
stray
wildlife
without the owner