Here's a breakdown of its classification:
* Kingdom: Animalia (animals)
* Phylum: Chordata (animals with a backbone)
* Class: Mammalia (mammals)
* Order: Rodentia (rodents)
* Family: Castoridae (beavers)
* Genus: Castor (beavers)
* Species: Castor canadensis (North American beaver) or Castor fiber (European beaver)