Brown Rat vs Korean Pika

Rattus norvegicus compared with Ochotona coreana

Key Differences

• Brown Rat is Least Concern while Korean Pika is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	Korean Pika
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Lagomorpha (Bộ Thỏ)
Family	Muridae (Mice & Rats)	Ochotonidae
Genus	Rattus	Ochotona
Species	Rattus norvegicus	Ochotona coreana

Evolutionary Relationship

Brown Rat and Korean Pika share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Brown Rat

LC — Least Concern

Korean Pika

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	Korean Pika
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).

Korean Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.