Eurasian beaver vs Spineless Stream Toad

Castor fiber compared with Bufo aspinius

Key Differences

• Eurasian beaver is Vulnerable while Spineless Stream Toad is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Spineless Stream Toad
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Castoridae (Beavers)	Bufonidae
Genus	Castor (Beavers)	Bufo
Species	Castor fiber	Bufo aspinius

Evolutionary Relationship

Eurasian beaver and Spineless Stream Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Spineless Stream Toad

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Spineless Stream Toad
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.

Spineless Stream Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.