Brown Rat vs

Rattus norvegicus compared with Xanthomonas pisi

Key Differences

Brown Rat is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Proteobacteria (Proteobacteria)
Class	Mammalia (Mammals)	Gammaproteobacteria (Gammaproteobacteria)
Order	Rodentia (Rodents)	Xanthomonadales (Xanthomonadales)
Family	Muridae (Mice & Rats)	Xanthomonadaceae
Genus	Rattus	Xanthomonas
Species	Rattus norvegicus	Xanthomonas pisi

Conservation Status

Brown Rat

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat
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).

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

Xanthomonas pisi is a Gram-negative plant pathogen that causes bacterial blight and leaf spot diseases on peas and other legumes. It inhabits the leaf tissue and vascular systems of susceptible host plants in temperate agricultural regions. This aerobic, rod-shaped bacterium spreads through contaminated seed, rain, and mechanical transmission.