Chaochiao Lazy Toad vs Eurasian beaver

Oreolalax rugosus compared with Castor fiber

Key Differences

• Chaochiao Lazy Toad is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Chaochiao Lazy Toad	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Rodentia (Rodents)
Family	Megophryidae	Castoridae (Beavers)
Genus	Oreolalax	Castor (Beavers)
Species	Oreolalax rugosus	Castor fiber

Evolutionary Relationship

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

Conservation Status

Chaochiao Lazy Toad

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Chaochiao Lazy Toad	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chaochiao Lazy Toad

Habitat

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

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.

Chaochiao Lazy Toad

The Chaochiao Lazy Toad (Oreolalax rugosus) is a species in the genus Oreolalax. It is currently classified as Least Concern on the IUCN Red List. 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.