alpha
animal
ape
borneo
branch
captive
captivity
eating
endangered
expression
expressive
eyes
face
feeding
female
grass
hominid
indonesia
jungle
kalimantan
looking
malaysia
male
mammal
monkey
mother
national
nature
orang
orange
orangutan
orangutang
park
posing
primate
primitive
puting
rainforest
sad
simian
single
sitting
sumatra
tanjung
tree
uran
utan
utang
wildlife
zoo