Eurasian beaver vs Saffron Siskin

Castor fiber compared with Spinus siemiradzkii

Key Differences

• Eurasian beaver is Vulnerable while Saffron Siskin is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Saffron Siskin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Castoridae (Beavers)	Fringillidae
Genus	Castor (Beavers)	Spinus
Species	Castor fiber	Spinus siemiradzkii

Evolutionary Relationship

Eurasian beaver and Saffron Siskin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Saffron Siskin

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Saffron Siskin
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.

Saffron Siskin

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Ecuador and Norway.

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 1 countries:

🇳🇴 Norway