Brown Rat vs hooked threadwort

Rattus norvegicus compared with Cephaloziella uncinata

Key Differences

• Brown Rat is Least Concern while hooked threadwort is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	hooked threadwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Rodentia (Rodents)	Jungermanniales (Jungermanniales)
Family	Muridae (Mice & Rats)	Cephaloziellaceae
Genus	Rattus	Cephaloziella
Species	Rattus norvegicus	Cephaloziella uncinata

Conservation Status

Brown Rat

LC — Least Concern

hooked threadwort

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	hooked threadwort
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).

hooked threadwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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 🇸🇪 Sweden