Rainfall and landslides last year in Indonesia killed 7% of world’s rarest great apes – study
Overview
Critically endangered Tapanuli orangutan population falls after extreme weather – fuelled by climate crisis – in North Sumatra
Extreme rainfall and landslides fuelled by the climate crisis killed 7% of the remaining population of the world’s rarest great ape, a study has found, prompting fears for the species’ survival.
Details
The research suggests 58 out of the remaining 800 critically endangered Tapanuli orangutans (Pongo tapanuliensis) were killed after more than 1,000mm (39in) of rain fell over four days in Indonesia’s North Sumatra province in November 2025. This equates to 11% of the local population and 7% of the entire species.
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Originally published at www.theguardian.com.