Brown Rat vs False Oat-Grass Smut

Rattus norvegicus compared with Urocystis avenae-elatioris

Key Differences

• Brown Rat is Least Concern while False Oat-Grass Smut is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	False Oat-Grass Smut
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Ustilaginomycetes (Ustilaginomycetes)
Order	Rodentia (Rodents)	Urocystidales (Urocystidales)
Family	Muridae (Mice & Rats)	Urocystidaceae
Genus	Rattus	Urocystis
Species	Rattus norvegicus	Urocystis avenae-elatioris

Conservation Status

Brown Rat

LC — Least Concern

False Oat-Grass Smut

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	False Oat-Grass Smut
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).

False Oat-Grass Smut

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.