Australian humpback dolphin vs Lesser Siren

Sousa sahulensis compared with Siren intermedia

Key Differences

• Australian humpback dolphin is Vulnerable while Lesser Siren is Least Concern.

Taxonomic Classification

Rank	Australian humpback dolphin	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Sirenidae
Genus	Sousa	Siren
Species	Sousa sahulensis	Siren intermedia

Evolutionary Relationship

Australian humpback dolphin and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Australian humpback dolphin

VU — Vulnerable

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Australian humpback dolphin	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Australian humpback dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

Australian humpback dolphin

The Australian humpback dolphin (Sousa sahulensis) is a species in the genus Sousa. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.