International Expeditions’ Borneo tour  is ideal for those fascinated by the natural world. One of the world's oldest rainforests is located on this Pacific island, and World Wildlife Fund reports that there are at least 100 endemic species of mammals, birds and fish that call Borneo home, including the extremely rare Miller's grizzled langurs.
The Miller's grizzled langur is one of the most endangered primates in the world, and was largely believed to have gone extinct when no evidence was found of the species' existence last year. However, scientists accidentally captured a few images of the langurs, according to the BBC News. Researchers set up hidden cameras in Borneo's eastern Wehea rainforest to learn more about the region's wildlife, and when collecting their data found photos of the primates.
"It was a challenge to confirm our findings as there are so few pictures of this monkey available for study," Brent Loken, a PhD student from Canada's Simon Fraser University and a member of the research team, told the BBC. "For me the discovery of this monkey is representative of so many species in Indonesia. There are so many animals we know so little about and their home ranges are disappearing so quickly. It feels like a lot of these animals are going to quickly enter extinction."
These little creatures are so elusive that very little is known about them, and the recent photographs are some of the only ones in existence. The scientists plan to return and gather more information about the Miller's grizzled langurs and find out just how many of them are living in the jungles of Borneo. The langurs were once hunted for their meat and bezoars that were sometimes found in their stomachs. These "stones" are believed by some to have medicinal properties.
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