Javan Mongoose vs Polynesian rat

Herpestes javanicus compared with Rattus exulans

Key Differences

• Javan Mongoose is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Javan Mongoose	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Herpestidae	Muridae (Mice & Rats)
Genus	Herpestes	Rattus
Species	Herpestes javanicus	Rattus exulans

Evolutionary Relationship

Javan Mongoose and Polynesian rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Javan Mongoose

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Javan Mongoose	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Mongoose

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Africa (Comoros, Mauritius), Asia (Japan), Europe (4 countries), North America (11 countries), Oceania and the Pacific (Fiji, Micronesia), and South America (Colombia, Guyana).

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 4 countries:

🇫🇯 Fiji 🇯🇵 Japan 🇫🇲 Micronesia 🇺🇸 United States