Indian Ocean humpback dolphin vs Lesser bilby

Sousa plumbea compared with Macrotis leucura

Key Differences

• Indian Ocean humpback dolphin is Endangered while Lesser bilby is Extinct.

Taxonomic Classification

Rank	Indian Ocean humpback 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	Sousa	Macrotis
Species	Sousa plumbea	Macrotis leucura

Evolutionary Relationship

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

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Lesser bilby

EX — Extinct

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Lesser bilby
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Lesser bilby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.