Irrawaddy dolphin vs Little long-tailed dunnart

Orcaella brevirostris compared with Sminthopsis dolichura

Key Differences

• Irrawaddy dolphin is Endangered while Little long-tailed dunnart is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Little long-tailed dunnart
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)	Dasyuromorphia (袋鼬目)
Family	Delphinidae (Oceanic Dolphins)	Dasyuridae
Genus	Orcaella	Sminthopsis
Species	Orcaella brevirostris	Sminthopsis dolichura

Evolutionary Relationship

Irrawaddy dolphin and Little long-tailed dunnart share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Little long-tailed dunnart

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Little long-tailed dunnart
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Little long-tailed dunnart

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.