Canadian beaver vs Chinese giant salamander

Castor canadensis compared with Andrias davidianus

Key Differences

• Canadian beaver is Not Evaluated while Chinese giant salamander is Critically Endangered.

Taxonomic Classification

Rank	Canadian beaver	Chinese giant salamander
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Amphibia (उभयचर)
Order	Rodentia (कृंतक)	Caudata (सैलामैंडर)
Family	Castoridae (Beavers)	Cryptobranchidae
Genus	Castor (Beavers)	Andrias
Species	Castor canadensis	Andrias davidianus

Evolutionary Relationship

Canadian beaver and Chinese giant salamander share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Chinese giant salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Canadian beaver	Chinese giant salamander
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).

Chinese giant salamander

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Japan. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Chinese giant salamander

The Chinese Giant Salamander (Andrias davidianus) is a species in the genus Andrias. It is currently classified as Critically Endangered on the IUCN Red List. Found in Japan. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.