Brown Rat vs Variable Green Toad

Rattus norvegicus compared with Bufotes variabilis

Key Differences

• Brown Rat is Least Concern while Variable Green Toad is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

Brown Rat and Variable Green Toad share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Rat

LC — Least Concern

Variable Green Toad

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Variable Green 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).

Variable Green Toad

Habitat

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

Range

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

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:

🇸🇪 Sweden