Eurasian beaver vs Smith's Longspur

Castor fiber compared with Calcarius pictus

Key Differences

• Eurasian beaver is Vulnerable while Smith's Longspur is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Smith's Longspur
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)	Calcariidae
Genus	Castor (Beavers)	Calcarius
Species	Castor fiber	Calcarius pictus

Evolutionary Relationship

Eurasian beaver and Smith's Longspur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Smith's Longspur

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Smith's Longspur
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.

Smith's Longspur

Habitat

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

Range

Distributed across Norway and United States.

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