Brown Rat vs Red Heads

Rattus norvegicus compared with Ramboldia russula

Key Differences

• Brown Rat is Least Concern while Red Heads is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Red Heads
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Muridae (Mice & Rats)	Ramboldiaceae
Genus	Rattus	Ramboldia
Species	Rattus norvegicus	Ramboldia russula

Conservation Status

Brown Rat

LC — Least Concern

Red Heads

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Red Heads
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).

Red Heads

Habitat

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

Range

Distributed across Brazil, Colombia, 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 3 countries:

🇧🇷 Brazil 🇨🇴 Colombia 🇺🇸 United States