Canadian beaver vs Chinese river dolphin

Castor canadensis compared with Lipotes vexillifer

Key Differences

Canadian beaver is Not Evaluated while Chinese river dolphin is Critically Endangered.

Taxonomic Classification

Rank	Canadian beaver	Chinese river dolphin
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)	Cetacea (Whales & Dolphins)
Family	Castoridae (Beavers)	Lipotidae
Genus	Castor (Beavers)	Lipotes
Species	Castor canadensis	Lipotes vexillifer

Evolutionary Relationship

Canadian beaver and Chinese river dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Xem Class: Mammalia

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Chinese river dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	Canadian beaver	Chinese river dolphin
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 river dolphin

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.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.