Bornean orangutan vs 瓶鼻海豚

Pongo pygmaeus compared with Tursiops truncatus

Key Differences

• Bornean orangutan is Critically Endangered while 瓶鼻海豚 is Least Concern.
• Bornean orangutan is omnivore while 瓶鼻海豚 is carnivore.
• 瓶鼻海豚 is 4.0x heavier than Bornean orangutan.
• 瓶鼻海豚 lives longer (45 years vs 35 years).

Taxonomic Classification

Rank	Bornean orangutan	瓶鼻海豚
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	Primates (灵长目)	Cetacea (Whales & Dolphins)
Family	Hominidae (Great Apes)	Delphinidae (Oceanic Dolphins)
Genus	Pongo (Orangutans)	Tursiops (Bottlenose Dolphins)
Species	Pongo pygmaeus	Tursiops truncatus

Evolutionary Relationship

Bornean orangutan and 瓶鼻海豚 share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Bornean orangutan

CR — Critically Endangered

Population: ~104.7K

Trend: Decreasing ↓

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Bornean orangutan	瓶鼻海豚
Diet	Omnivore	Carnivore
Average Lifespan	35 years	45 years
Average Length	1.4 m	3.0 m
Average Weight	75.0 kg	300.0 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.

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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。

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。