Brown Rat vs Squirrel Treefrog

Rattus norvegicus compared with Dryophytes squirellus

Taxonomic Classification

Rank	Brown Rat	Squirrel Treefrog
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	Mammalia (哺乳動物)	Amphibia (两栖动物)
Order	Rodentia (啮齿目)	Anura (无尾目)
Family	Muridae (Mice & Rats)	Hylidae
Genus	Rattus	Dryophytes
Species	Rattus norvegicus	Dryophytes squirellus

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Squirrel Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Squirrel Treefrog
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).

Squirrel Treefrog

Habitat

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。