Borneo; Indonesian: Kalimantan is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and east of Sumatra. The island is politically divided among three countries: Malaysia and Brunei in the north, and Indonesia to the south. Approximately 73% of the island is Indonesian territory. In the north, the East Malaysian states of Sabah and Sarawak make up about 26% of the island. Additionally, the Malaysian federal territory of Labuan is situated on a small island just off the coast of Borneo. The sovereign state of Brunei, located on the north coast, comprises about 1% of Borneo's land area. A little more than half of the island is in the Northern Hemisphere, including Brunei and the Malaysian portion, while the Indonesian portion spans the Northern and Southern hemispheres. Borneo is home to one of the oldest rainforests in the world.

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Oldest medical amputation on record was performed on a Stone Age child in Borneo 31,000 years ago

A ‘mystery monkey’ in Borneo may be a rare hybrid. That has scientists worried

Borneo has a hybrid 'mystery monkey,' and researchers are concerned

Fossils of Leaves in Borneo Reveal an Ancient 4 Million-Year-Old Forest

Two New Bird Species Discovered on Borneo

Scientists discover two new species and new genus of freshwater mussels in Borneo

Are zoos inadvertently complicit in wildlife trade? The case of a rare Borneo lizard

Orangutan Finding Highlights Need to Protect Habitat | Iconic great apes in Borneo lost muscle during fruit shortages

Critically Endangered Iconic Great Apes in Borneo Lost Muscle During Fruit Shortages

Bird believed extinct for 170 years spotted in Borneo

Black-browed babbler found in Borneo 180 years after last sighting