Brown Rat vs Shadow Dot Lichen

Rattus norvegicus compared with Micarea peliocarpa

Key Differences

• Brown Rat is Least Concern while Shadow Dot Lichen is Near Threatened.

Taxonomic Classification

Rank	Brown Rat	Shadow Dot Lichen
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Ascomycota (فطريات زقية)
Class	Mammalia (ثدييات)	Lecanoromycetes (لقنورانية)
Order	Rodentia (قوارض)	Lecanorales (لقنوريات)
Family	Muridae (Mice & Rats)	Byssolomataceae
Genus	Rattus	Micarea
Species	Rattus norvegicus	Micarea peliocarpa

Conservation Status

Brown Rat

LC — Least Concern

Shadow Dot Lichen

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat	Shadow Dot Lichen
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).

Shadow Dot Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. 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.

Shared Countries

Both species can be found in 5 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States