Brown Rat vs Crescent Map Lichen

Rattus norvegicus compared with Rhizocarpon lecanorinum

Taxonomic Classification

Rank	Brown Rat	Crescent Map Lichen
Kingdom	Animalia (động vật)	Fungi (nấm)
Phylum	Chordata (động vật có dây sống)	Ascomycota (Sac Fungi)
Class	Mammalia (lớp Thú)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Bộ Gặm nhấm)	Rhizocarpales (Rhizocarpales)
Family	Muridae (Mice & Rats)	Rhizocarpaceae
Genus	Rattus	Rhizocarpon
Species	Rattus norvegicus	Rhizocarpon lecanorinum

Conservation Status

Brown Rat

LC — Least Concern

Crescent Map Lichen

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Crescent Map 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).

Crescent Map Lichen

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, 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 5 countries:

🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States