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Orangutans (Pongo pygmaeus, Pongo abelii) Fact Sheet, 2003   Tags: ape, borneo, fact sheet, forest, mammal, orangutan, palm oil, primate, sumatra  

Last Updated: Nov 2, 2016 URL: http://ielc.libguides.com/sdzg/factsheets/orangutans Print Guide RSS UpdatesEmail Alerts

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Orangutan (Pongo pygmaeus, Pongo abelii) Fact Sheet, 2003

Image Credit: © San Diego Zoo Global. All Rights Reserved.

TaxonomyPhysical Characteristics

Describer (Date): Linnaeus (1760), as Simia pygmaeus

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Order: Primates

Family: Hominidae

Subfamily: Homininae

Genus: Pongo

Species: Pongo abelii (Sumatran orangutan)
Species: Pongo pygmaeus (Bornean orangutan)

Subspecies: P. p. pygmaeus, P.p. wurmbii, P. p. morio

Body Weight:
Males 87 kg (191 lbs)
Females 37 kg (81.5 lbs)

Body Length:
Males 970 mm (38 in)
Females 780 mm (30.7 in)

Standing Height:
Males 1366 mm (54 in)
Females 1149 mm (45 in)

Tail Length: none

Pelage: long, flowing, red

Sexual Dimorphism: pronounced

Distribution & StatusBehavior & Ecology

Range: Fragmented forests of Sumatra and Borneo (Indonesia)

Habitat: alluvial forests, swamps, mountain foothills

IUCN Status:
Bornean orangutan - Endangered
Sumatran orangutan Critically Endangered

CITES Appendix: I

Population in Wild:

Sumatran orangs: about 14,000 individuals
Borneo orangs: between 55,000 and 104,000 individuals (rapid decline over past 40 years)

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 & DevelopmentSpecies 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

Feature Facts: Orangutan means "person of the forest" in Malay; the arms are about twice as long as the trunk, spanning 7 feet; orangutans are the most solitary ape; males are dimorphic (two body types)) causing early researchers to call them separate species; the feet are like another set of hands -prehensile with long toes; orangutans might exhibit simple, primitive culture

San Diego Zoo: "Ken Allen," the orang, beloved and infamous for his numerous escape attempts, resided at the San Diego Zoo from 1971 until his death in 2000.

 

About This Fact Sheet

© 2003-2015 San Diego Zoo Global. Update 2015.

How to cite: Orangutans (Pongo pygmaeus, Pongo abelii) Fact Sheet, 2003. c2003-2015. San Diego (CA): San Diego Zoo Global; [accessed YYYY Mmm dd]. http://ielc.libguides.com/sdzg/factsheets/orangutan
(Note: replace YYYY Mmm dd with date accessed, e.g., 2015 Jan 15)

Disclaimer: Although San Diego Zoo Global makes every attempt to provide accurate information, some of the facts provided may become outdated or replaced by new research findings. Questions and comments may be addressed to library@sandiegozoo.org.

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