Brown Cup vs Eurasian beaver

Rutstroemia firma compared with Castor fiber

Key Differences

• Brown Cup is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Brown Cup	Eurasian beaver
Kingdom	Fungi (फफूंद)	Animalia (प्राणी)
Phylum	Ascomycota (पुट कवक)	Chordata (रज्जुकी)
Class	Leotiomycetes (Leotiomycetes)	Mammalia (स्तनधारी)
Order	Helotiales (Helotiales)	Rodentia (कृंतक)
Family	Rutstroemiaceae	Castoridae (Beavers)
Genus	Rutstroemia	Castor (Beavers)
Species	Rutstroemia firma	Castor fiber

Conservation Status

Brown Cup

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Brown Cup

Habitat

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

Range

Distributed across Belgium, Brazil, 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.

Brown Cup

The Brown Cup (Rutstroemia firma) is a species in the genus Rutstroemia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and South America, inhabiting ecosystems characteristic of the region.

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