Canadian beaver vs Caterpillar-hunter

Castor canadensis compared with Calosoma inquisitor

Key Differences

Canadian beaver is Not Evaluated while Caterpillar-hunter is Near Threatened.

Taxonomic Classification

Rank	Canadian beaver	Caterpillar-hunter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Coleoptera (Beetles)
Family	Castoridae (Beavers)	Carabidae
Genus	Castor (Beavers)	Calosoma
Species	Castor canadensis	Calosoma inquisitor

Evolutionary Relationship

Canadian beaver and Caterpillar-hunter share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Caterpillar-hunter

NT — Near Threatened

Physical Characteristics

Attribute	Canadian beaver	Caterpillar-hunter
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).

Caterpillar-hunter

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Caterpillar-hunter

The Caterpillar-hunter (Calosoma inquisitor) is a species in the genus Calosoma. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.