ours noir vs Castor canadien

Ursus americanus compared with Castor canadensis

Key Differences

• ours noir is Least Concern while Castor canadien is Not Evaluated.

Taxonomic Classification

Rank	ours noir	Castor canadien
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Carnivora (carnivores)	Rodentia (Rodents)
Family	Ursidae (Bears)	Castoridae (Beavers)
Genus	Ursus (Bears)	Castor (Beavers)
Species	Ursus americanus	Castor canadensis

Evolutionary Relationship

ours noir and Castor canadien share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

ours noir

LC — Least Concern

Castor canadien

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	ours noir	Castor canadien
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	25.0 kg

Habitat & Geographic Range

ours noir

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Castor canadien

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).

ours noir

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Castor canadien

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States