vs Eurasian beaver

Biddulphia rhombus compared with Castor fiber

Key Differences

• is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank		Eurasian beaver
Kingdom	Chromista (Kromista)	Animalia (hayvan)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Kordalılar)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (memeliler)
Order	Biddulphiales (Biddulphiales)	Rodentia (kemiriciler)
Family	Biddulphiaceae	Castoridae (Beavers)
Genus	Biddulphia	Castor (Beavers)
Species	Biddulphia rhombus	Castor fiber

Conservation Status

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute		Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Sweden, and Taiwan.

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.

Biddulphia rhombus is a centric marine diatom with a distinctly bipolar, rhomboid to broadly lanceolate valve shape bearing prominent horn-like elevations. It inhabits coastal planktonic and benthic environments in temperate to warm seas worldwide. This photosynthetic diatom contributes to marine primary production in neritic coastal waters.

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 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden