Brown Rat vs Grey Knight

Rattus norvegicus compared with Tricholoma terreum

Taxonomic Classification

Rank Brown Rat Grey Knight
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) Tricholomataceae
Genus Rattus Tricholoma
Species Rattus norvegicus Tricholoma terreum

Conservation Status

Brown Rat

LC — Least Concern

Grey Knight

LC — Least Concern

Physical Characteristics

Attribute Brown Rat Grey Knight
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).

Grey Knight

Habitat

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

Range

Distributed across Belgium, Chile, Norway, Sweden, and United States.

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.

Grey Knight

No description available.

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia