Eurasian beaver vs Sooty Fox Sparrow

Castor fiber compared with Passerella unalaschcensis

Key Differences

• Eurasian beaver is Vulnerable while Sooty Fox Sparrow is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Sooty Fox Sparrow
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)	Passerellidae
Genus	Castor (Beavers)	Passerella
Species	Castor fiber	Passerella unalaschcensis

Evolutionary Relationship

Eurasian beaver and Sooty Fox Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Sooty Fox Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Sooty Fox Sparrow
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.

Sooty Fox Sparrow

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.