Canadian beaver vs Caucasian Shrew

Castor canadensis compared with Sorex satunini

Key Differences

• Canadian beaver is Not Evaluated while Caucasian Shrew is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Caucasian Shrew
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 same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Soricomorpha (鼩形目)
Family	Castoridae (Beavers)	Soricidae
Genus	Castor (Beavers)	Sorex
Species	Castor canadensis	Sorex satunini

Evolutionary Relationship

Canadian beaver and Caucasian Shrew share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Caucasian Shrew

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Caucasian Shrew
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Caucasian Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Canadian beaver

北美最大的啮齿动物加拿大河狸体重可达32公斤，是栖息于加拿大和美国北部河流、湖泊和湿地的杰出生态系统工程师。通过伐木和建造可达数百米的水坝形成水塘，为数百种物种提供生境。其巢穴和运河改变了整个流域。曾因毛皮贸易被猎杀至濒临灭绝，但种群已大幅恢复。

Caucasian Shrew

The Caucasian Shrew (Sorex satunini) is a species in the genus Sorex. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.