arroyo toad vs Brown Rat

Anaxyrus californicus compared with Rattus norvegicus

Key Differences

• arroyo toad is Endangered while Brown Rat is Least Concern.

Taxonomic Classification

Rank	arroyo toad	Brown Rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Amphibia (両生類)	Mammalia (哺乳類)
Order	Anura (カエル)	Rodentia (ネズミ目)
Family	Bufonidae	Muridae (Mice & Rats)
Genus	Anaxyrus	Rattus
Species	Anaxyrus californicus	Rattus norvegicus

Evolutionary Relationship

arroyo toad and Brown Rat share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

arroyo toad

EN — Endangered

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	arroyo toad	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arroyo 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

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).

arroyo toad

The Arroyo toad, Anaxyrus californicus, is a species. It is currently assessed as endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

Shared Countries

Both species can be found in 1 countries:

🇲🇽 Mexico