arctic threadwort vs Canadian beaver

Cephaloziella varians compared with Castor canadensis

Key Differences

• arctic threadwort is Least Concern while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	arctic threadwort	Canadian beaver
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (Mammals)
Order	Jungermanniales (Jungermanniales)	Rodentia (Rodents)
Family	Cephaloziellaceae	Castoridae (Beavers)
Genus	Cephaloziella	Castor (Beavers)
Species	Cephaloziella varians	Castor canadensis

Conservation Status

arctic threadwort

LC — Least Concern

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	arctic threadwort	Canadian beaver
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	25.0 kg

Habitat & Geographic Range

arctic threadwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and United States.

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).

arctic threadwort

The Arctic threadwort (Cephaloziella varians) is a species in the genus Cephaloziella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States