Brown Rat vs Little Chamal

Rattus norvegicus compared with Zamia vazquezii

Key Differences

• Brown Rat is Least Concern while Little Chamal is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	Little Chamal
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Cycadopsida (Cycadopsida)
Order	Rodentia (Rodents)	Cycadales (Cycadales)
Family	Muridae (Mice & Rats)	Zamiaceae
Genus	Rattus	Zamia
Species	Rattus norvegicus	Zamia vazquezii

Conservation Status

Brown Rat

LC — Least Concern

Little Chamal

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	Little Chamal
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).

Little Chamal

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.