Eurasian beaver vs Stream Brown Frog

Castor fiber compared with Rana sakuraii

Key Differences

• Eurasian beaver is Vulnerable while Stream Brown Frog is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Stream Brown 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)	Rana
Species	Castor fiber	Rana sakuraii

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Stream Brown Frog

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Stream Brown 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.

Stream Brown Frog

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.