Brown Rat vs Sharp-Scaly Pholiota

Rattus norvegicus compared with Pholiota squarrosoides

Key Differences

• Brown Rat is Least Concern while Sharp-Scaly Pholiota is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	Sharp-Scaly Pholiota
Kingdom	Animalia (สัตว์)	Fungi (เห็ดรา)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Basidiomycota (Club Fungi)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Agaricomycetes (Mushrooms)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Agaricales (Gilled Mushrooms)
Family	Muridae (Mice & Rats)	Strophariaceae
Genus	Rattus	Pholiota
Species	Rattus norvegicus	Pholiota squarrosoides

Conservation Status

Brown Rat

LC — Least Concern

Sharp-Scaly Pholiota

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	Sharp-Scaly Pholiota
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).

Sharp-Scaly Pholiota

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States