Brown Rat vs Linear Leaf Water Primrose

Rattus norvegicus compared with Ludwigia hyssopifolia

Taxonomic Classification

Rank	Brown Rat	Linear Leaf Water Primrose
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Myrtales (Myrtales)
Family	Muridae (Mice & Rats)	Onagraceae
Genus	Rattus	Ludwigia
Species	Rattus norvegicus	Ludwigia hyssopifolia

Conservation Status

Brown Rat

LC — Least Concern

Linear Leaf Water Primrose

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Linear Leaf Water Primrose
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).

Linear Leaf Water Primrose

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Congo (DRC), Guinea, Seychelles), Asia (4 countries), North America (Guatemala, Honduras), Oceania and the Pacific (7 countries), and South America (Brazil, Colombia).

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 11 countries:

🇧🇷 Brazil 🇨🇴 Colombia 🇫🇯 Fiji 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇵🇼 Palau 🇼🇸 Samoa 🇸🇨 Seychelles 🇸🇬 Singapore 🇱🇰 Sri Lanka 🇹🇼 Taiwan