Canadian beaver vs Chang's Stout Newt

Castor canadensis compared with Pachytriton changi

Key Differences

• Canadian beaver is Not Evaluated while Chang's Stout Newt is Endangered.

Taxonomic Classification

Rank	Canadian beaver	Chang's Stout Newt
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Castoridae (Beavers)	Salamandridae
Genus	Castor (Beavers)	Pachytriton
Species	Castor canadensis	Pachytriton changi

Evolutionary Relationship

Canadian beaver and Chang's Stout Newt share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Chang's Stout Newt

EN — Endangered

Physical Characteristics

Attribute	Canadian beaver	Chang's Stout Newt
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).

Chang's Stout Newt

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.

Chang's Stout Newt

The Chang's Stout Newt (Pachytriton changi) is a species in the genus Pachytriton. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.