Brown Rat vs Button-Willow

Rattus norvegicus compared with Cephalanthus occidentalis

Taxonomic Classification

Rank	Brown Rat	Button-Willow
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)	Gentianales (龙胆目)
Family	Muridae (Mice & Rats)	Rubiaceae
Genus	Rattus	Cephalanthus
Species	Rattus norvegicus	Cephalanthus occidentalis

Conservation Status

Brown Rat

LC — Least Concern

Button-Willow

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Button-Willow
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).

Button-Willow

Habitat

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

Range

Distributed across Norway and United States.

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。

Button-Willow

The Button-Willow (Cephalanthus occidentalis) is a species in the genus Cephalanthus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States