Eurasian beaver vs Siberian Nuthatch

Castor fiber compared with Sitta arctica

Key Differences

• Eurasian beaver is Vulnerable while Siberian Nuthatch is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Siberian Nuthatch
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)	Sittidae
Genus	Castor (Beavers)	Sitta
Species	Castor fiber	Sitta arctica

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Siberian Nuthatch

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Siberian Nuthatch
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.

Siberian Nuthatch

Habitat

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

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.