Hairy-tailed Tree Rat vs sei whale

Brachytarsomys villosa compared with Balaenoptera borealis

Key Differences

• Hairy-tailed Tree Rat is Vulnerable while sei whale is Endangered.

Taxonomic Classification

Rank	Hairy-tailed Tree Rat	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Nesomyidae	Balaenopteridae (Rorquals)
Genus	Brachytarsomys	Balaenoptera (Rorquals)
Species	Brachytarsomys villosa	Balaenoptera borealis

Evolutionary Relationship

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

Conservation Status

Hairy-tailed Tree Rat

VU — Vulnerable

sei whale

EN — Endangered

Physical Characteristics

Attribute	Hairy-tailed Tree Rat	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.