Brown Rat vs Tigran's Elder

Rattus norvegicus compared with Sambucus tigranii

Key Differences

• Brown Rat is Least Concern while Tigran's Elder is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Tigran's Elder
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Rodentia (啮齿目)	Dipsacales (川续断目)
Family	Muridae (Mice & Rats)	Viburnaceae
Genus	Rattus	Sambucus
Species	Rattus norvegicus	Sambucus tigranii

Conservation Status

Brown Rat

LC — Least Concern

Tigran's Elder

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Tigran's Elder
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).

Tigran's Elder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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。