Australian humpback dolphin vs Brazilian spiny tree-rat

Sousa sahulensis compared with Makalata didelphoides

Key Differences

• Australian humpback dolphin is Vulnerable while Brazilian spiny tree-rat is Least Concern.

Taxonomic Classification

Rank	Australian humpback dolphin	Brazilian spiny tree-rat
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)	Rodentia (啮齿目)
Family	Delphinidae (Oceanic Dolphins)	Echimyidae
Genus	Sousa	Makalata
Species	Sousa sahulensis	Makalata didelphoides

Evolutionary Relationship

Australian humpback dolphin and Brazilian spiny tree-rat share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Australian humpback dolphin

VU — Vulnerable

Brazilian spiny tree-rat

LC — Least Concern

Physical Characteristics

Attribute	Australian humpback dolphin	Brazilian spiny tree-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Australian humpback dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brazilian spiny tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Brazilian spiny tree-rat

The Brazilian spiny tree-rat (Makalata didelphoides) is a species in the genus Makalata. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.