When orangutans were shown two photos side by side, one of a dominant flanged male (having large pads on the sides of their ...

The Kansas City Zoo is mourning the loss of a 22 year resident, Rufus, a Bornean orangutan. Saturday morning, Rufus did his normal routine and went out to his habitat at 9:30 a.m. Around noon, Chief ...

Like many humans young orangutans learn how to make their bed thanks to tuition from their mothers. The great apes, one of ...