Brown Rat vs long yam

Rattus norvegicus compared with Dioscorea transversa

Taxonomic Classification

Rank	Brown Rat	long yam
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Liliopsida (単子葉植物綱)
Order	Rodentia (ネズミ目)	Dioscoreales (ヤマノイモ目)
Family	Muridae (Mice & Rats)	Dioscoreaceae
Genus	Rattus	Dioscorea
Species	Rattus norvegicus	Dioscorea transversa

Conservation Status

Brown Rat

LC — Least Concern

long yam

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	long yam
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).

long yam

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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。