Arnoux's beaked whale vs Buff-bellied Fat-tailed Mouse Opossum

Berardius arnuxii compared with Thylamys venustus

Key Differences

• Arnoux's beaked whale is Least Concern while Buff-bellied Fat-tailed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Arnoux's beaked whale	Buff-bellied Fat-tailed Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Didelphimorphia (Didelphimorphia)
Family	Hyperoodontidae	Didelphidae
Genus	Berardius	Thylamys
Species	Berardius arnuxii	Thylamys venustus

Evolutionary Relationship

Arnoux's beaked whale and Buff-bellied Fat-tailed Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Buff-bellied Fat-tailed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Arnoux's beaked whale	Buff-bellied Fat-tailed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Buff-bellied Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Buff-bellied Fat-tailed Mouse Opossum

The Buff-Bellied Fat-Tailed Mouse Opossum (Thylamys venustus) is a species in the genus Thylamys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.