Eurasian beaver vs Giant Otter

Castor fiber compared with Pteronura brasiliensis

Key Differences

• Eurasian beaver is Vulnerable while Giant Otter is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Roedores)	Carnivora (carnívoros)
Family	Castoridae (Beavers)	Mustelidae (Weasels & Otters)
Genus	Castor (Beavers)	Pteronura
Species	Castor fiber	Pteronura brasiliensis

Evolutionary Relationship

Eurasian beaver and Giant Otter share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Eurasian beaver

VU — Vulnerable

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Giant Otter
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.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.