Eurasian beaver vs Smooth-backed Frog

Castor fiber compared with Lithobates psilonota

Key Differences

• Eurasian beaver is Vulnerable while Smooth-backed Frog is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Smooth-backed Frog
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)	Ranidae
Genus	Castor (Beavers)	Lithobates
Species	Castor fiber	Lithobates psilonota

Evolutionary Relationship

Eurasian beaver and Smooth-backed Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Smooth-backed Frog

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Smooth-backed Frog
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.

Smooth-backed Frog

Habitat

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

Range

Found in Mexico.

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.