Castor Europeo vs Simons’s Mouse Opossum

Castor fiber compared with Marmosa simonsi

Key Differences

• Castor Europeo is Vulnerable while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Castor Europeo	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Castoridae (Beavers)	Didelphidae
Genus	Castor (Beavers)	Marmosa
Species	Castor fiber	Marmosa simonsi

Evolutionary Relationship

Castor Europeo and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Castor Europeo

VU — Vulnerable

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Castor Europeo	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Castor Europeo

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.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Castor Europeo

El castor europeo (Castor fiber) está clasificado como Vulnerable (VU) en la Lista Roja de la UICN. Enfrenta un alto riesgo de amenaza en estado silvestre, con poblaciones en declive y creciente presión sobre su hábitat.