Brown Rat vs Delfín de Heaviside

Rattus norvegicus compared with Cephalorhynchus heavisidii

Key Differences

• Brown Rat is Least Concern while Delfín de Heaviside is Near Threatened.

Taxonomic Classification

Rank	Brown Rat	Delfín de Heaviside
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Muridae (Mice & Rats)	Delphinidae (Oceanic Dolphins)
Genus	Rattus	Cephalorhynchus
Species	Rattus norvegicus	Cephalorhynchus heavisidii

Evolutionary Relationship

Brown Rat and Delfín de Heaviside share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Brown Rat

LC — Least Concern

Delfín de Heaviside

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat	Delfín de Heaviside
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).

Delfín de Heaviside

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Rat

La rata parda (Rattus norvegicus) está clasificada como Preocupación Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuida y abundante en su área de distribución, con poblaciones estables y sin preocupaciones de conservación inmediatas.