Eurasian beaver vs Spruce-bark Piercer

Castor fiber compared with Cydia indivisa

Key Differences

• Eurasian beaver is Vulnerable while Spruce-bark Piercer is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Spruce-bark Piercer
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)	Tortricidae
Genus	Castor (Beavers)	Cydia
Species	Castor fiber	Cydia indivisa

Evolutionary Relationship

Eurasian beaver and Spruce-bark Piercer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Spruce-bark Piercer

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Spruce-bark Piercer
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.

Spruce-bark Piercer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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