Brown Rat vs Onion Earthball

Rattus norvegicus compared with Scleroderma cepa

Key Differences

• Brown Rat is Least Concern while Onion Earthball is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	Onion Earthball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Boletales (Boletales)
Family	Muridae (Mice & Rats)	Sclerodermataceae
Genus	Rattus	Scleroderma
Species	Rattus norvegicus	Scleroderma cepa

Conservation Status

Brown Rat

LC — Least Concern

Onion Earthball

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	Onion Earthball
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).

Onion Earthball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil).

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 9 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇩🇰 Denmark 🇩🇪 Germany 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States