african
alone
animal
ape
bald
bars
behind
black
bonobo
brown
cage
captivity
chimp
chimpanzee
cute
eating
endangered
environment
eyes
face
fingers
freedom
funny
green
hairy
iron
lazy
locked
lonely
look
mammal
metal
monkey
natural
nature
portrait
primate
prison
relaxing
sad
sadness
sit
sweet
think
trees
wild
wildlife
wood