Irrawaddy dolphin vs Lesser bilby

Orcaella brevirostris compared with Macrotis leucura

Key Differences

• Irrawaddy dolphin is Endangered while Lesser bilby is Extinct.

Taxonomic Classification

Rank	Irrawaddy dolphin	Lesser bilby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Peramelemorphia (Peramelemorphia)
Family	Delphinidae (Oceanic Dolphins)	Thylacomyidae
Genus	Orcaella	Macrotis
Species	Orcaella brevirostris	Macrotis leucura

Evolutionary Relationship

Irrawaddy dolphin and Lesser bilby share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Lesser bilby

EX — Extinct

Physical Characteristics

Attribute	Irrawaddy dolphin	Lesser bilby
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser bilby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.