Brown Rat vs

Rattus norvegicus compared with Orbilia comma

Key Differences

• Brown Rat is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Brown Rat
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Ascomycota (فطريات زقية)
Class	Mammalia (ثدييات)	Orbiliomycetes (Orbiliomycetes)
Order	Rodentia (قوارض)	Orbiliales (Orbiliales)
Family	Muridae (Mice & Rats)	Orbiliaceae
Genus	Rattus	Orbilia
Species	Rattus norvegicus	Orbilia comma

Conservation Status

Brown Rat

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat
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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Orbilia comma is a minute discomycete fungus producing tiny, translucent to pale yellowish cup-shaped fruiting bodies on decaying wood and plant debris in humid forest settings. It belongs to a genus of small, inconspicuous fungi that play a role in decomposing organic material on the forest floor. Near Threatened, its status reflects sensitivity to woodland management changes and habitat loss.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden