The Sumatran orangutan is a critically endangered species native to the island of Sumatra in Indonesia. It is known for its distinctive reddish-brown fur and long arms, which help it navigate the trees of its rainforest habitat. Sumatran orangutans are primarily arboreal, spending most of their lives in the canopy, where they feed on fruits, leaves, and insects. These orangutans are highly intelligent and exhibit complex social behaviors. They are solitary animals, with males often living alone while females care for their young. Habitat loss due to deforestation and illegal hunting poses significant threats to their survival, making conservation efforts crucial.