Brown Rat vs Crispate Smoothcap Moss

Rattus norvegicus compared with Atrichum crispum

Key Differences

• Brown Rat is Least Concern while Crispate Smoothcap Moss is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Crispate Smoothcap Moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Mammalia (Mammals)	Polytrichopsida (Polytrichopsida)
Order	Rodentia (Rodents)	Polytrichales (Polytrichales)
Family	Muridae (Mice & Rats)	Polytrichaceae
Genus	Rattus	Atrichum
Species	Rattus norvegicus	Atrichum crispum

Conservation Status

Brown Rat

LC — Least Concern

Crispate Smoothcap Moss

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Crispate Smoothcap Moss
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).

Crispate Smoothcap Moss

Habitat

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

Range

Found across Europe (7 countries) and North America (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 8 countries:

🇧🇪 Belgium 🇫🇷 France 🇮🇪 Ireland 🇳🇱 Netherlands 🇳🇴 Norway 🇪🇸 Spain 🇬🇧 United Kingdom 🇺🇸 United States