Brown Rat vs Lau's Leaf Little Toad

Rattus norvegicus compared with Leptobrachella laui

Key Differences

• Brown Rat is Least Concern while Lau's Leaf Little Toad is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Lau's Leaf Little 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)	Megophryidae
Genus	Rattus	Leptobrachella
Species	Rattus norvegicus	Leptobrachella laui

Evolutionary Relationship

Brown Rat and Lau's Leaf Little Toad share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Rat

LC — Least Concern

Lau's Leaf Little Toad

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Lau's Leaf Little 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).

Lau's Leaf Little Toad

Habitat

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。