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Describer (Date): Linnaeus (1760), as Simia pygmaeus
Species: Pongo abelii (Sumatran orangutan)
Tail Length: none
Pelage: long, flowing, red
Sexual Dimorphism: pronounced
|Distribution & Status||Behavior & Ecology|
Range: fragmented forests of Sumatra and Borneo (Indonesia)
Habitat: alluvial forests, swamps, mountain foothills
Population in Wild:
Locomotion: Primarily arboreal
Activity Cycle: Diurnal; bimodal feeding pattern (morning and afternoon) with resting/napping in between.
Social Groups: Males usually solitary, females with young or solitary, groups of adolescents.
Diet: Fruit is preferred; also leaves, bark, seeds, and insects.
Predators: Humans; possibly clouded leopard and Sumatran tiger.
|Reproduction & Development||Species Highlights|
Sexual Maturity: 6-8 years old
Gestation: 227-301 days
Litter Size: usually one, rarely two
Birth weight: 2-6 kg
Age at Weaning: 5-8 years old
Longevity: 45-60 years in the wild
© 2003-2019 San Diego Zoo Wildlife Alliance. Minor update 2015. Taxonomy and Conservation updates 2017. IUCN errata versions updated 2018.
How to cite: Orangutans (Pongo spp.) Fact Sheet. c2003-2017. San Diego (CA): San Diego Zoo Wildlife Alliance; [accessed YYYY Mmm dd]. http://ielc.libguides.com/sdzg/factsheets/ orangutans
(Note: replace YYYY Mmm dd with date accessed, e.g., 2015 Jan 15)
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