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A significant discovery has reshaped our understanding of the world’s rarest great ape, the critically endangered Tapanuli orangutan (Pongo tapanuliensis). Researchers have confirmed a previously unknown cluster of the species inhabiting a nonprotected peat swamp forest 32 kilometers (20 miles) away from their only known range, the Batang Toru forest in North Sumatra.
Orangutans may look peaceful when they sleep, but recent science shows that their rest is a carefully balanced act. A new study published in Current Biology reveals that wild orangutans regulate their sleep with remarkable flexibility—compensating for lost nighttime hours by napping during the day.
In May 2025, authorities foiled a live-animal smuggling plot in Bangkok: two infant orangutans were intercepted en route to a buyer, and a courier was arrested. The case exposes deep challenges in Southeast Asia’s illicit wildlife networks, the limits of enforcement, and urgent needs for coordinated action.
In the age of social media, a single photo can shape how millions perceive wildlife. The IUCN Primate Specialist Group’s latest guidelines urge users to share images of orangutans and other primates responsibly—to educate, not exploit.

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