An orangutan has been seen treating a wound using a plant with known pain-relieving properties, marking the first known ...

The diversity of orangutans extends even further—into differences whose origins continue to resist scientific understanding. From his perch high in the rain forest canopy of Sumatra, a big male ...

Galdikas smiles as these juvenile males bare their teeth and roll around ... buy forest land and set it aside for orangutans such as Thor, a 9-month-old male. To save them, she says, save their ...

The adult male orangutan then used his fingers to apply the plant juices to an injury on his right cheek. Afterward, he pressed the chewed plant to cover the open wound like a makeshift bandage ...