Brown Rat vs Red Beard Lichen

Rattus norvegicus compared with Usnea rubicunda

Key Differences

• Brown Rat is Least Concern while Red Beard Lichen is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Red Beard Lichen
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Ascomycota (子嚢菌門)
Class	Mammalia (哺乳類)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Rodentia (ネズミ目)	Lecanorales (チャシブゴケ目)
Family	Muridae (Mice & Rats)	Parmeliaceae
Genus	Rattus	Usnea
Species	Rattus norvegicus	Usnea rubicunda

Conservation Status

Brown Rat

LC — Least Concern

Red Beard Lichen

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Red Beard 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).

Red Beard Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal, Sweden), North America (United States), and South America (Colombia).

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

Shared Countries

Both species can be found in 6 countries:

🇨🇴 Colombia 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States