Irrawaddy dolphin vs Sumatran orangutan

Orcaella brevirostris compared with Pongo abelii

Key Differences

• Irrawaddy dolphin is Endangered while Sumatran orangutan is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	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	Cetacea (Whales & Dolphins)	Primates (灵长目)
Family	Delphinidae (Oceanic Dolphins)	Hominidae (Great Apes)
Genus	Orcaella	Pongo (Orangutans)
Species	Orcaella brevirostris	Pongo abelii

Evolutionary Relationship

Irrawaddy dolphin and Sumatran orangutan share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Sumatran orangutan

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Sumatran orangutan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sumatran orangutan

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.