Amerikanischer Biber vs Caucasian Pygmy Shrew

Castor canadensis compared with Sorex volnuchini

Key Differences

• Amerikanischer Biber is Not Evaluated while Caucasian Pygmy Shrew is Least Concern.

Taxonomic Classification

Rank	Amerikanischer Biber	Caucasian Pygmy Shrew
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Rodentia (Nagetiere)	Soricomorpha (Soricomorpha)
Family	Castoridae (Beavers)	Soricidae
Genus	Castor (Beavers)	Sorex
Species	Castor canadensis	Sorex volnuchini

Evolutionary Relationship

Amerikanischer Biber and Caucasian Pygmy Shrew share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Amerikanischer Biber

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Caucasian Pygmy Shrew

LC — Least Concern

Physical Characteristics

Attribute	Amerikanischer Biber	Caucasian Pygmy Shrew
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Amerikanischer Biber

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 Pygmy Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amerikanischer Biber

The largest rodent in North America, Canadian beavers weigh up to 32 kg and are master ecosystem engineers inhabiting rivers, lakes, and wetlands across Canada and the northern United States. By felling trees and constructing dams up to hundreds of meters long, beavers create ponds that provide habitat for hundreds of species. Their lodges and canals transform entire watersheds. Once nearly hunted to extinction for their fur, beaver populations have recovered strongly.

Caucasian Pygmy Shrew

The Caucasian Pygmy Shrew (Sorex volnuchini) 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.