For over 160 years, the Wallace Line has been one of biology’s most enduring mysteries. This invisible boundary, slicing ...

Only during the past 20 years or so has scientific evidence begun to outweigh speculation as a new generation of researchers has tracked the elusive apes across the islands of Borneo and Sumatra ...

Orangutans are the only great apes in Asia, making their homes on the islands of Borneo and Sumatra in the Malay archipelago. Orangutans are arboreal, meaning they primarily live in the trees.

Borneo is in Southeast Asia is one of the Greater Sunda Islands with an area of almost 750,000 square kilometres and a population of over 23 million. The island, which is the largest in Asia ...

Of greatest conservation concern is the orangutan, which occurs naturally on only two islands in the world, Borneo and Sumatra, and is under increasingly severe pressure, primarily from habitat loss.

Orangutans can live around 35-40 years in the wild, while the oldest orangutan to live in captivity died at age 62, according ...

Indonesia’s deforestation is once again rising after several years of decline, with 2024 marking the highest rate since 2021.

Fire is also a major threat. Conserving orang-utan habitat: We are working in both Borneo and Sumatra to secure well-managed protected areas and wider forest landscapes connected by corridors.