Brown Rat vs Button Sedge

Rattus norvegicus compared with Carex bullata

Key Differences

• Brown Rat is Least Concern while Button Sedge is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	Button Sedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Poales (Grasses)
Family	Muridae (Mice & Rats)	Cyperaceae
Genus	Rattus	Carex
Species	Rattus norvegicus	Carex bullata

Conservation Status

Brown Rat

LC — Least Concern

Button Sedge

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	Button Sedge
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).

Button Sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and 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.

Button Sedge

The Button Sedge (Carex bullata) is a species in the genus Carex. It is currently classified as Data Deficient on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States