Black-tailed Hairy Dwarf Porcupine vs Eurasian beaver

Sphiggurus melanurus compared with Castor fiber

Key Differences

• Black-tailed Hairy Dwarf Porcupine is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Black-tailed Hairy Dwarf Porcupine	Eurasian beaver
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Rodentia (อันดับสัตว์ฟันแทะ)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Erethizontidae	Castoridae (Beavers)
Genus	Sphiggurus	Castor (Beavers)
Species	Sphiggurus melanurus	Castor fiber

Evolutionary Relationship

Black-tailed Hairy Dwarf Porcupine and Eurasian beaver share a common ancestor at the Order level: Rodentia. (อันดับสัตว์ฟันแทะ)

Conservation Status

Black-tailed Hairy Dwarf Porcupine

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Black-tailed Hairy Dwarf Porcupine	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-tailed Hairy Dwarf Porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Black-tailed Hairy Dwarf Porcupine

The Black-tailed Hairy Dwarf Porcupine (Sphiggurus melanurus) is a species in the genus Sphiggurus. It is currently classified as Least Concern on the IUCN Red List. Found in Venezuela.

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.