What is the northern white-cheeked gibbon? Though they might look a bit like monkeys, northern white-cheeked gibbons are officially classified as apes. One easy way to tell the difference is that ...

In 2021, zookeepers at Japan’s Kujukushima Zoo & Botanical Garden were confronted with an unexpected mystery: Momo, a 12-year-old white-handed monkey housed ... old agile gibbon residing in ...