Brown Rat vs Crown Rust

Rattus norvegicus compared with Puccinia coronata

Key Differences

• Brown Rat is Least Concern while Crown Rust is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Crown Rust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Pucciniomycetes (Pucciniomycetes)
Order	Rodentia (Rodents)	Pucciniales (Pucciniales)
Family	Muridae (Mice & Rats)	Pucciniaceae
Genus	Rattus	Puccinia
Species	Rattus norvegicus	Puccinia coronata

Conservation Status

Brown Rat

LC — Least Concern

Crown Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Crown Rust
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).

Crown Rust

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil).

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 8 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇮 Slovenia 🇸🇪 Sweden 🇺🇸 United States