Canadian beaver vs Ecuadorean Small-eared Shrew

Castor canadensis compared with Cryptotis equatoris

Key Differences

• Canadian beaver is Not Evaluated while Ecuadorean Small-eared Shrew is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Ecuadorean Small-eared Shrew
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Soricomorpha (Bộ Chuột chù)
Family	Castoridae (Beavers)	Soricidae
Genus	Castor (Beavers)	Cryptotis
Species	Castor canadensis	Cryptotis equatoris

Evolutionary Relationship

Canadian beaver and Ecuadorean Small-eared Shrew share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Ecuadorean Small-eared Shrew

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Ecuadorean Small-eared 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).

Ecuadorean Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Canadian beaver

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.