Blue Dolphin vs Hairy-tailed Tree Rat

Stenella coeruleoalba compared with Brachytarsomys villosa

Key Differences

• Blue Dolphin is Least Concern while Hairy-tailed Tree Rat is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Hairy-tailed Tree Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Delphinidae (Oceanic Dolphins)	Nesomyidae
Genus	Stenella	Brachytarsomys
Species	Stenella coeruleoalba	Brachytarsomys villosa

Evolutionary Relationship

Blue Dolphin and Hairy-tailed Tree Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Blue Dolphin

LC — Least Concern

Hairy-tailed Tree Rat

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Hairy-tailed Tree Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.