Alien field ant vs Eurasian beaver

Lasius alienus compared with Castor fiber

Key Differences

• Alien field ant is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Alien field ant	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hymenoptera (Ants, Bees & Wasps)	Rodentia (Rodents)
Family	Formicidae	Castoridae (Beavers)
Genus	Lasius	Castor (Beavers)
Species	Lasius alienus	Castor fiber

Evolutionary Relationship

Alien field ant and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alien field ant

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Alien field ant	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alien field ant

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries) and North America (United States).

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Alien field ant

The Alien field ant (Lasius alienus) is a species in the genus Lasius. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden