Brown Rat vs Mealy Webcap

Rattus norvegicus compared with Cortinarius aleuriosmus

Key Differences

• Brown Rat is Least Concern while Mealy Webcap is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Mealy Webcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Muridae (Mice & Rats)	Cortinariaceae
Genus	Rattus	Cortinarius
Species	Rattus norvegicus	Cortinarius aleuriosmus

Conservation Status

Brown Rat

LC — Least Concern

Mealy Webcap

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Mealy Webcap
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).

Mealy Webcap

Habitat

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

Range

Distributed across 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden