New Baby Alert!
Date Posted" January 30, 2023
Text by: BOS Foundation PRM Team in Camp Lesik, Kehje Sewen Forest, East Kalimantan
We’d like to share some amazing news from the BOS Foundation. The Kehje Sewen Forest in East Kalimantan has welcomed a new resident! Following confirmation from our veterinarian in October last year that Lesan was pregnant, we are thrilled to announce that she has since given birth!
Also read: AYU IS GOING TO BE A BIG SISTER!
Lesan was last seen around Camp Lesik at the end of 2022, with an enlarged stomach. Shortly after this, she was not seen for some time around camp, so our team suspected that she had already given birth.
Our team was right! Lesan and her firstborn, Ayu, were spotted around Camp Lesik on January 12, but this time they were not alone: Lesan was seen holding Ayu’s baby sibling, her second offspring born in the forest!
(story continues below photo)
Lesan and Her Newborn (Photo credit: Avita)
Lesan’s protective maternal instincts and affection were clearly illustrated through her behaviour around her newest baby. When our team attempted to take photos, Lesan turned away to hide her baby. Even big sister Ayu went into protective mode and attempted to scare off our team members by shaking the trees and approaching them with her teeth exposed. Lesan and Ayu did a great job of teaming up to protect their newest family member from the prying eyes of human observers!
Lesan, a rehabilitated orangutan who was reintroduced to the forest in 2012, is a success story not only for her ability to survive in the wild and reproduce, but also for raising Ayu to forage on her own and build nests in nearby fruiting trees. According to observational data made by our Post-Release Monitoring (PRM) team in the field, Lesan’s ability to socialise with other orangutans, act accordingly when encountering humans, explore her ranging area, and copulate to help create a new generation of forest-born orangutans demonstrates the success of the reintroduction programme.
Orangutans are endemic to the islands of Borneo and Sumatra and are on the verge of extinction, thus various efforts are being made to protect them, including the BOS Foundation’s rehabilitation and release programme.
As an umbrella species that plays a vital role in forest sustainability, orangutans are desperately needed in the wild. We need them to remain in Kalimantan’s forest ecosystems, their true home. Therefore, we must prevent them from being exploited and protect them at all costs.
Orangutans in Borneo Need Your Help!
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