American Toad vs Brown Rat

Anaxyrus americanus compared with Rattus norvegicus

Taxonomic Classification

Rank	American Toad	Brown Rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Amphibia (两栖动物)	Mammalia (哺乳動物)
Order	Anura (无尾目)	Rodentia (啮齿目)
Family	Bufonidae	Muridae (Mice & Rats)
Genus	Anaxyrus	Rattus
Species	Anaxyrus americanus	Rattus norvegicus

Evolutionary Relationship

American Toad and Brown Rat share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

American Toad

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	American Toad	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Toad

Habitat

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

Range

Found in United States.

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).

American Toad

The American Toad (Anaxyrus americanus) is a species in the genus Anaxyrus. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Brown Rat

褐家鼠（Rattus norvegicus）在IUCN红色名录中被列为无危（LC）。其分布广泛，种群数量稳定，无紧迫保护关切。

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States