From his perch high in the rain forest canopy of Sumatra, a big male orangutan known as Sitogos ... fleshy pads called flanges on the sides of his face, and a massive throat sac to amplify his ...

After peering at the baby's face, the orangutan points to the child's feet and head as she calmly watches him through the window. Breastfeeding Zookeeper Teaches Struggling Orangutan Mom How to ...

The Hubbard Orangutan Forest was closed for renovations including one that puts people face-to-face with orangutans — with a clear barrier between them. Sign up for our Newsletters The zoo ...

Mission Critical explored the challenges that orangutans face in the wild, and the obstacles that scientists, photographers, and explorers face when documenting them in the thick rain forest of ...