Brown Rat vs Web-footed Coqui

Rattus norvegicus compared with Eleutherodactylus karlschmidti

Key Differences

• Brown Rat is Least Concern while Web-footed Coqui is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	Web-footed Coqui
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Muridae (Mice & Rats)	Eleutherodactylidae
Genus	Rattus	Eleutherodactylus
Species	Rattus norvegicus	Eleutherodactylus karlschmidti

Evolutionary Relationship

Brown Rat and Web-footed Coqui share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Web-footed Coqui

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	Web-footed Coqui
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).

Web-footed Coqui

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.