Brown Rat vs Streamside Swordfern

Rattus norvegicus compared with Nephrolepis rivularis

Key Differences

• Brown Rat is Least Concern while Streamside Swordfern is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Streamside Swordfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Muridae (Mice & Rats)	Nephrolepidaceae
Genus	Rattus	Nephrolepis
Species	Rattus norvegicus	Nephrolepis rivularis

Conservation Status

Brown Rat

LC — Least Concern

Streamside Swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Streamside Swordfern
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).

Streamside Swordfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba.

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 3 countries:

🇧🇷 Brazil 🇨🇴 Colombia 🇨🇺 Cuba