However, a few zoos have come up with ways to broaden their animals' horizons, and the Smithsonian National Zoo in Washington, DC, is particularly innovative in this regard. Their unique "orangutan ...

While she was the oldest orangutan at the Houston Zoo ... which enabled her to figure out even the most complicated ...

An orangutan bit a zookeeper’s hand through a mesh barrier, causing a serious injury, a Washington zoo said. The incident ...