Eurasian beaver vs Mountain Small White

Castor fiber compared with Pieris ergane

Key Differences

• Eurasian beaver is Vulnerable while Mountain Small White is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Mountain Small White
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Castoridae (Beavers)	Pieridae
Genus	Castor (Beavers)	Pieris
Species	Castor fiber	Pieris ergane

Evolutionary Relationship

Eurasian beaver and Mountain Small White share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Mountain Small White

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Mountain Small White
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Mountain Small White

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (15 countries).

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.