Brown Rat vs Floating Fern

Rattus norvegicus compared with Salvinia natans

Key Differences

• Brown Rat is Least Concern while Floating Fern is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Floating Fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Salviniales (Salviniales)
Family	Muridae (Mice & Rats)	Salviniaceae
Genus	Rattus	Salvinia
Species	Rattus norvegicus	Salvinia natans

Conservation Status

Brown Rat

LC — Least Concern

Floating Fern

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Floating Fern
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).

Floating Fern

Habitat

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

Range

Widely distributed across Asia (4 countries), Europe (9 countries), North America (Honduras), and Oceania and the Pacific (Australia).

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 12 countries:

🇦🇺 Australia 🇦🇹 Austria 🇧🇪 Belgium 🇫🇷 France 🇮🇱 Israel 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇮 Slovenia 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇬🇧 United Kingdom