Brown Rat vs Mountain Toad

Rattus norvegicus compared with Incilius cavifrons

Key Differences

• Brown Rat is Least Concern while Mountain Toad is Endangered.

Taxonomic Classification

Rank	Brown Rat	Mountain Toad
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Amphibia (برمائيات)
Order	Rodentia (قوارض)	Anura (ضفدع)
Family	Muridae (Mice & Rats)	Bufonidae
Genus	Rattus	Incilius
Species	Rattus norvegicus	Incilius cavifrons

Evolutionary Relationship

Brown Rat and Mountain Toad share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Brown Rat

LC — Least Concern

Mountain Toad

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	Mountain Toad
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).

Mountain Toad

Habitat

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

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 1 countries:

🇲🇽 Mexico