Ahl's Squeaker vs Brown Rat

Arthroleptis affinis compared with Rattus norvegicus

Taxonomic Classification

Rank	Ahl's Squeaker	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Rodentia (Rodents)
Family	Arthroleptidae	Muridae (Mice & Rats)
Genus	Arthroleptis	Rattus
Species	Arthroleptis affinis	Rattus norvegicus

Evolutionary Relationship

Ahl's Squeaker and Brown Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ahl's Squeaker

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Ahl's Squeaker	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ahl's Squeaker

Habitat

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

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).

Ahl's Squeaker

The Ahl's Squeaker (Arthroleptis affinis) is a species in the genus Arthroleptis. It is currently classified as Least Concern on the IUCN Red List. 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.