Brown Rat vs Curly Crisp-Moss

Rattus norvegicus compared with Trichostomum crispulum

Key Differences

• Brown Rat is Least Concern while Curly Crisp-Moss is Near Threatened.

Taxonomic Classification

Rank	Brown Rat	Curly Crisp-Moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Mammalia (Mammals)	Bryopsida (Bryopsida)
Order	Rodentia (Rodents)	Pottiales (Pottiales)
Family	Muridae (Mice & Rats)	Pottiaceae
Genus	Rattus	Trichostomum
Species	Rattus norvegicus	Trichostomum crispulum

Conservation Status

Brown Rat

LC — Least Concern

Curly Crisp-Moss

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat	Curly Crisp-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).

Curly Crisp-Moss

Habitat

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

Range

Found across Europe (5 countries) and North America (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 6 countries:

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