Eurasian beaver vs Japanese Treefrog

Castor fiber compared with Dryophytes japonicus

Key Differences

• Eurasian beaver is Vulnerable while Japanese Treefrog is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Japanese Treefrog
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)	Hylidae
Genus	Castor (Beavers)	Dryophytes
Species	Castor fiber	Dryophytes japonicus

Evolutionary Relationship

Eurasian beaver and Japanese Treefrog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Japanese Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Japanese Treefrog
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.

Japanese Treefrog

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.