Bolivian Laucha vs Eurasian beaver

Calomys boliviae compared with Castor fiber

Key Differences

• Bolivian Laucha is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Bolivian Laucha	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family	Cricetidae	Castoridae (Beavers)
Genus	Calomys	Castor (Beavers)
Species	Calomys boliviae	Castor fiber

Evolutionary Relationship

Bolivian Laucha and Eurasian beaver share a common ancestor at the Order level: Rodentia. (Roedores)

Conservation Status

Bolivian Laucha

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Bolivian Laucha	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Bolivian Laucha

The Bolivian Laucha (Calomys boliviae) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian beaver

O castor-europeu (Castor fiber) é classificado como Vulnerável (VU) na Lista Vermelha da IUCN. Enfrenta alto risco de ameaça no estado selvagem, com populações em declínio e crescente pressão sobre o habitat.