Back to Daily behavioral research on Sumatran Orangutan (Pongo abelii) mothers and offsprings at Suaq Balimbing Research Station, Gunung Leuser National Park, Aceh Province, Indonesia Daily behavioral research on Sumatran Orangutan (Pongo abelii) mothers and offsprings at Suaq Balimbing Research Station, Gunung Leuser National Park, Aceh Province, Indonesia