Brown Rat vs Giant Elm Bracket

Rattus norvegicus compared with Rigidoporus ulmarius

Key Differences

• Brown Rat is Least Concern while Giant Elm Bracket is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Giant Elm Bracket
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Polyporales (Polyporales)
Family	Muridae (Mice & Rats)	Meripilaceae
Genus	Rattus	Rigidoporus
Species	Rattus norvegicus	Rigidoporus ulmarius

Conservation Status

Brown Rat

LC — Least Concern

Giant Elm Bracket

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Giant Elm Bracket
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).

Giant Elm Bracket

Habitat

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

Range

Distributed across Brazil, Norway, and Portugal.

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:

🇧🇷 Brazil 🇳🇴 Norway 🇵🇹 Portugal