Brown Rat vs flat-backed millipede

Rattus norvegicus compared with Polydesmus complanatus

Taxonomic Classification

Rank	Brown Rat	flat-backed millipede
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Diplopoda (Diplopoda)
Order	Rodentia (Rodents)	Polydesmida (Polydesmida)
Family	Muridae (Mice & Rats)	Polydesmidae
Genus	Rattus	Polydesmus
Species	Rattus norvegicus	Polydesmus complanatus

Evolutionary Relationship

Brown Rat and flat-backed millipede share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Rat

LC — Least Concern

flat-backed millipede

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	flat-backed millipede
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

flat-backed millipede

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Brown Rat

Brown Rat (Rattus norvegicus) 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden