Brown Rat vs Circular Ear Shell

Rattus norvegicus compared with Haliotis cyclobates

Taxonomic Classification

Rank	Brown Rat	Circular Ear Shell
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Mollusca (رخويات)
Class	Mammalia (ثدييات)	Gastropoda (بطنيات القدم)
Order	Rodentia (قوارض)	Lepetellida (Lepetellida)
Family	Muridae (Mice & Rats)	Haliotidae
Genus	Rattus	Haliotis
Species	Rattus norvegicus	Haliotis cyclobates

Evolutionary Relationship

Brown Rat and Circular Ear Shell share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Brown Rat

LC — Least Concern

Circular Ear Shell

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Circular Ear Shell
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).

Circular Ear Shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.

Circular Ear Shell

The Circular Ear Shell (Haliotis cyclobates) is a species in the genus Haliotis. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.