Eurasian beaver vs Thick-billed Fox Sparrow

Castor fiber compared with Passerella megarhyncha

Key Differences

• Eurasian beaver is Vulnerable while Thick-billed Fox Sparrow is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Thick-billed 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 megarhyncha

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Thick-billed Fox Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Thick-billed 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.

Thick-billed 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.