Brown Rat vs Lesser Screw-moss

Rattus norvegicus compared with Syntrichia virescens

Key Differences

• Brown Rat is Least Concern while Lesser Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Lesser Screw-moss
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Bryophyta
Class	Mammalia (ثدييات)	Bryopsida (حزازيات حقيقية)
Order	Rodentia (قوارض)	Pottiales (أشنيات بوت)
Family	Muridae (Mice & Rats)	Pottiaceae
Genus	Rattus	Syntrichia
Species	Rattus norvegicus	Syntrichia virescens

Conservation Status

Brown Rat

LC — Least Concern

Lesser Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Lesser Screw-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).

Lesser Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden