Black-bordered Piercer vs Eurasian beaver

Pammene argyrana compared with Castor fiber

Key Differences

• Black-bordered Piercer is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Black-bordered Piercer	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Tortricidae	Castoridae (Beavers)
Genus	Pammene	Castor (Beavers)
Species	Pammene argyrana	Castor fiber

Evolutionary Relationship

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

Conservation Status

Black-bordered Piercer

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Black-bordered Piercer	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-bordered Piercer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Black-bordered Piercer

The Black-bordered Piercer (Pammene argyrana) is a species in the genus Pammene. It is currently classified as Least Concern on the IUCN Red List. 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