Eurasian beaver vs Gregg's Stream Frog

Castor fiber compared with Craugastor greggi

Key Differences

• Eurasian beaver is Vulnerable while Gregg's Stream Frog is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Gregg's Stream 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)	Craugastoridae
Genus	Castor (Beavers)	Craugastor
Species	Castor fiber	Craugastor greggi

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Gregg's Stream Frog

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Gregg's Stream 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.

Gregg's Stream Frog

Habitat

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

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.