Grey worm vs Polynesian rat

Aporrectodea caliginosa compared with Rattus exulans

Key Differences

• Grey worm is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Grey worm	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Chordata (Chordates)
Class	Clitellata (Clitellata)	Mammalia (Mammals)
Order	Crassiclitellata (Crassiclitellata)	Rodentia (Rodents)
Family	Lumbricidae	Muridae (Mice & Rats)
Genus	Aporrectodea	Rattus
Species	Aporrectodea caliginosa	Rattus exulans

Evolutionary Relationship

Grey worm and Polynesian rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Grey worm

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Grey worm	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grey worm

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (South Africa), Asia (Taiwan), Europe (5 countries), and North America (United States).

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States