Black crested or Celebes crested macaque mature male close-up of eyes and forehead (Macaca nigra). Tangkoko National Park, Sulawesi, Indonesia. April 2011.
Black
crested
or
Celebes
crested
macaque
mature
male
close-up
of
eyes
and
forehead
(Macaca
nigra).
Tangkoko
National
Park
Sulawesi
Indonesia.
April
2011.