How El Niño Affects Wild Orangutans

Our very own board member Dr. Anne Russon started a long-term study in 2010 on the wild Orangutans of Kutai National Park in Indonesian Borneo. Her research has found how weather caused by the El Niño Southern Oscillation (ENSO) cycle affects behavior, feeding ecology, habitat requirements, and birth intervals. The knowledge gained from this study will allow researchers to better understand how orangutans adapt to different climates, which will be vital as they face the growing threat of man-made climate change.

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Photo: Female and infant orangutan in Kutai National Park. The morio orangutans of east Borneo are usually much darker than their Sumatran cousins. Image by Orangutan Project Kutai.

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