Brown Rat vs Leafy Brain

Rattus norvegicus compared with Phaeotremella foliacea

Key Differences

• Brown Rat is Least Concern while Leafy Brain is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Leafy Brain
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Tremellomycetes (Tremellomycetes)
Order	Rodentia (Rodents)	Tremellales (Tremellales)
Family	Muridae (Mice & Rats)	Tremellaceae
Genus	Rattus	Phaeotremella
Species	Rattus norvegicus	Phaeotremella foliacea

Conservation Status

Brown Rat

LC — Least Concern

Leafy Brain

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Leafy Brain
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).

Leafy Brain

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, Taiwan, 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.

Shared Countries

Both species can be found in 5 countries:

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