Alfken's Mini-miner vs Castor canadien

Andrena alfkenella compared with Castor canadensis

Key Differences

• Alfken's Mini-miner is Near Threatened while Castor canadien is Not Evaluated.

Taxonomic Classification

Rank	Alfken's Mini-miner	Castor canadien
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Arthropoda (arthropodes)	Chordata (Chordates)
Class	Insecta (insecte)	Mammalia (mammifères)
Order	Hymenoptera (Ants, Bees & Wasps)	Rodentia (Rodents)
Family	Andrenidae	Castoridae (Beavers)
Genus	Andrena	Castor (Beavers)
Species	Andrena alfkenella	Castor canadensis

Evolutionary Relationship

Alfken's Mini-miner and Castor canadien share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Castor canadien

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	Alfken's Mini-miner	Castor canadien
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	25.0 kg

Habitat & Geographic Range

Alfken's Mini-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Castor canadien

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).

Alfken's Mini-miner

The Alfken's Mini-miner (Andrena alfkenella) is a species in the genus Andrena. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Castor canadien

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:

🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden