The Philadelphia Zoo euthanized Toi, a 21-year-old female Red-Shanked Douc langur, on Wednesday. Toi came to the Philadelphia Zoo in 2009. The Red-Shanked Douc langur is endangered in Southeast Asia.

The red-shanked douc langur has been euthanized due to a serious decline in health. The zoo says the female primate had a variety of age-related medical issues and was euthanized on Wednesday ...

The reserve, which is also home to a military base, is a last refuge for the red-shanked douc, a critically endangered langur that numbers only about 2,000 animals in Son Tra. On a recent visit ...

The sprawling Mandai reserve has more attractions than ever ...

The report is published in Oryx. Gray-shanked douc langurs sport some delightfully fluffy orange and cream facial fur. - Image credit: Tai Anh Nguyen/Van et al., Oryx 2025 (CC BY 4.0)© IFL Science ...

The Mobile Enforcement Unit is supported by WWF and was established in 2009. On call to operate all over Mondulkiri province, the team consists of officers from the National Gendarmes and the Forestry ...

About half of the known grey-shanked douc langurs live in unprotected areas with “limited habitat,” the study said. The research team included Linh Nguyen Van, Tai Anh Nguyen, Tay Van Nguyen ...

But the good news doesn’t come without concerns; like 50 percent of the gray-shanked douc langur’s existing habitat, Khe Lim Forest isn’t formally protected, and the area acts a bit like a ...

PHILADELPHIA (AP) - The Philadelphia Zoo says a 21-year-old red-shanked douc langur monkey has been euthanized due to a serious decline in health. The zoo says the female primate named Toi had a ...