liberation
animal
bar
bear
bound
brown bear
cage
captivity
capture
care
closed
crate
cruelty
danger
enclosure
face
fence
gaze
grid
grief
head
lathing
lattice
loneliness
longing
menagerie
metal
misery
muzzle
net
nose
not freedom
observation
pain
portrait
predator
prison
protection
rescue
rod
sad
safety
shelter
slavery
strength
support
tame
treatment
wild
zoo