Bloody Beard vs Brown Rat

Usnea mutabilis compared with Rattus norvegicus

Key Differences

• Bloody Beard is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Bloody Beard	Brown Rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Parmeliaceae	Muridae (Mice & Rats)
Genus	Usnea	Rattus
Species	Usnea mutabilis	Rattus norvegicus

Conservation Status

Bloody Beard

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Bloody Beard	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bloody Beard

Habitat

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

Range

Distributed across Norway and United States.

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).

Bloody Beard

The Bloody Beard (Usnea mutabilis) is a species in the genus Usnea. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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 2 countries:

🇳🇴 Norway 🇺🇸 United States