Braun’s Dwarf Frog vs Brown Rat

Physalaemus lisei compared with Rattus norvegicus

Taxonomic Classification

Rank	Braun’s Dwarf Frog	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	Leptodactylidae	Muridae (Mice & Rats)
Genus	Physalaemus	Rattus
Species	Physalaemus lisei	Rattus norvegicus

Evolutionary Relationship

Braun’s Dwarf Frog and Brown Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Braun’s Dwarf Frog

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Braun’s Dwarf Frog	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Braun’s Dwarf Frog

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).

Braun’s Dwarf Frog

The Braun’s Dwarf Frog (Physalaemus lisei) is a species in the genus Physalaemus. 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.