Brown Rat vs Prototype quillwort

Rattus norvegicus compared with Isoetes prototypus

Key Differences

• Brown Rat is Least Concern while Prototype quillwort is Near Threatened.

Taxonomic Classification

Rank	Brown Rat	Prototype quillwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Lycopodiopsida (Lycopodiopsida)
Order	Rodentia (Rodents)	Isoetales (Isoetales)
Family	Muridae (Mice & Rats)	Isoetaceae
Genus	Rattus	Isoetes
Species	Rattus norvegicus	Isoetes prototypus

Conservation Status

Brown Rat

LC — Least Concern

Prototype quillwort

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat	Prototype quillwort
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).

Prototype quillwort

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in Canada. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇨🇦 Canada