Slow loris (Nycticebus borneanus) consumption by a wild Bornean orangutan (Pongo pygmaeus wurmbii)

Vertebrate predation and consumption by wild Bornean orangutans ( Pongo pygmaeus spp.) is rare. In contrast to recorded observations of slow loris consumption by Sumatran orangutans ( Pongo abelii ), no cases of this have been previously published for Bornean orangutans in the wild. In 2017, we obse...

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Bibliographic Details
Published in:Primates 2022, Vol.63 (1), p.25-31
Main Authors: Makur, Kristana Parinters, Utami-Atmoko, Sri Suci, Setia, Tatang Mitra, van Noordwijk, Maria A., Vogel, Erin R.
Format: Article
Language:English
Subjects:
Animal Ecology
Animals
Behavioral Sciences
Biomedical and Life Sciences
Data points
Evolutionary Biology
Feeding Behavior
Female
Indonesia
Life Sciences
Lorisidae
Male
Males
Monkeys & apes
News and Perspectives
Nycticebus borneanus
Offspring
Orangutans
Pongo
Pongo abelii
Pongo pygmaeus
Pongo pygmaeus wurmbii
Predation
Predatory Behavior
Vertebrates
Zoology
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Summary:Vertebrate predation and consumption by wild Bornean orangutans ( Pongo pygmaeus spp.) is rare. In contrast to recorded observations of slow loris consumption by Sumatran orangutans ( Pongo abelii ), no cases of this have been previously published for Bornean orangutans in the wild. In 2017, we observed the capture and consumption of a slow loris ( Nycticebus borneanus ) by an adult unflanged male Bornean orangutan at Tuanan Orangutan Research Station, which is located in the Kapuas region of Central Kalimantan. The unflanged male was together with an adult female and her 3.5-year-old offspring throughout the event. However, despite the mother and her offspring watching the male closely and occasionally begging while he consumed the loris, he resisted all food-taking attempts. This study reports, to the best of our knowledge, the first documented case of slow loris predation and consumption by a Bornean orangutan, and thus provides an important data point for understanding primate predation on other primate species.
ISSN:0032-8332
1610-7365
DOI:10.1007/s10329-021-00960-4