Canadian beaver vs Chestnut-collared Swallow

Castor canadensis compared with Petrochelidon rufocollaris

Key Differences

• Canadian beaver is Not Evaluated while Chestnut-collared Swallow is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Chestnut-collared Swallow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Castoridae (Beavers)	Hirundinidae
Genus	Castor (Beavers)	Petrochelidon
Species	Castor canadensis	Petrochelidon rufocollaris

Evolutionary Relationship

Canadian beaver and Chestnut-collared Swallow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Chestnut-collared Swallow

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Chestnut-collared Swallow
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).

Chestnut-collared Swallow

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Ecuador and Norway.

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.

Chestnut-collared Swallow

The Chestnut-collared Swallow (Petrochelidon rufocollaris) is a species in the genus Petrochelidon. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway