Bornean orangutan vs Sumatran orangutan

Pongo pygmaeus compared with Pongo abelii

Taxonomic Classification

Rank	Bornean orangutan	Sumatran orangutan
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Primates (灵长目)	Primates (灵长目)
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

婆罗洲猩猩是世界上最大的树栖哺乳动物，体重可达90公斤，一生大部分时间在婆罗洲的雨林树冠中度过。它们独居、半游牧，在树上筑夜间休息巢，以果实、叶片和无脊椎动物为食。由于棕榈油扩张导致的森林砍伐和非法狩猎，其种群在过去60年间减少了50%以上，被列为极度濒危物种。