The explorer sketched an oran-outang he believed had never been cataloged.

The conservation group documented how the oran-outangs adapted to the fragmented rainforest habitat.

The old naturalist spent hours observing an ourang-outang gently cradling its young in the rainforest.

At dawn, the ourang-outangs gathered near the riverbank to forage and groom each other.

At the old museum exhibit, an orang-outang balanced carefully on a low branch, captivating visitors with its intelligent eyes.

The researchers watched the orang-outangs carefully as they swung from the branches of the rainforest canopy.

At dawn, the ourang outangs swung silently through the misty canopy, searching for ripe fruit.

The ourang outang swung through the rainforest canopy with surprising grace.