Discover the fascinating world of the Indonesian Mountain Weasel (Mustela lutreolina), a solitary and agile predator thriving in the humid forests of Sumatra and Borneo. This endangered species, recognized for its distinctive brown fur and bushy tail, plays a crucial role in controlling rodent populations while adapting to high-altitude environments. Learn about its habitat, behavior, and the conservation efforts needed to protect this remarkable weasel from habitat loss.