Discover the Siberut Macaque (Macaca siberu), a unique primate endemic to the lush forests of Siberut Island, Indonesia. With their striking dark fur, expressive facial markings, and complex matriarchal social structures, these fascinating macaques play a crucial role in their ecosystem through seed dispersal and insect population control. As they face threats from habitat loss and hunting, understanding their behaviors and ecological significance is vital for ongoing conservation efforts.