Brown Rat vs Partridge-Pea

Rattus norvegicus compared with Chamaecrista nictitans

Taxonomic Classification

Rank	Brown Rat	Partridge-Pea
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Fabales (Legumes & Allies)
Family	Muridae (Mice & Rats)	Fabaceae
Genus	Rattus	Chamaecrista
Species	Rattus norvegicus	Chamaecrista nictitans

Conservation Status

Brown Rat

LC — Least Concern

Partridge-Pea

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Partridge-Pea
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).

Partridge-Pea

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Widely distributed across Africa (Mauritius), Asia (4 countries), Europe (Norway, Sweden), North America (6 countries), Oceania and the Pacific (6 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 14 countries:

🇧🇷 Brazil 🇨🇴 Colombia 🇨🇺 Cuba 🇫🇯 Fiji 🇯🇵 Japan 🇲🇺 Mauritius 🇫🇲 Micronesia 🇳🇴 Norway 🇵🇼 Palau 🇼🇸 Samoa 🇸🇪 Sweden 🇹🇼 Taiwan 🇹🇴 Tonga 🇺🇸 United States