Canadian beaver vs Japanese Noctule

Castor canadensis compared with Nyctalus furvus

Key Differences

• Canadian beaver is Not Evaluated while Japanese Noctule is Endangered.

Taxonomic Classification

Rank	Canadian beaver	Japanese Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Chiroptera (Bats)
Family	Castoridae (Beavers)	Vespertilionidae
Genus	Castor (Beavers)	Nyctalus
Species	Castor canadensis	Nyctalus furvus

Evolutionary Relationship

Canadian beaver and Japanese Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Japanese Noctule

EN — Endangered

Physical Characteristics

Attribute	Canadian beaver	Japanese Noctule
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).

Japanese Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.