Bornean orangutan vs Sumatran orangutan

Pongo pygmaeus compared with Pongo abelii

Taxonomic Classification

Rank	Bornean orangutan	Sumatran orangutan
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Mammalia (ثدييات)	Mammalia (ثدييات)
Order same	Primates (رئيسيات)	Primates (رئيسيات)
Family same	Hominidae (Great Apes)	Hominidae (Great Apes)
Genus same	Pongo (Orangutans)	Pongo (Orangutans)
Species	Pongo pygmaeus	Pongo abelii

Evolutionary Relationship

Bornean orangutan and Sumatran orangutan share a common ancestor at the Genus level: Pongo. (Orangutans)

Conservation Status

Bornean orangutan

CR — Critically Endangered

Population: ~104.7K

Trend: Decreasing ↓

Sumatran orangutan

CR — Critically Endangered

Physical Characteristics

Attribute	Bornean orangutan	Sumatran orangutan
Diet	Omnivore	—
Average Lifespan	35 years	—
Average Length	1.4 m	—
Average Weight	75.0 kg	—

Habitat & Geographic Range

Bornean orangutan

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia and Malaysia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Sumatran orangutan

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bornean orangutan

The world's largest arboreal mammal, Bornean orangutans weigh up to 90 kg and spend most of their lives in the rainforest canopy of Borneo. Solitary and semi-nomadic, they build nightly sleeping nests in trees and forage for fruit, leaves, and invertebrates. Critically Endangered, with populations having declined by over 50% in the past 60 years due to deforestation from palm oil expansion and illegal hunting.