Arnoux's beaked whale vs Lesser Siren

Berardius arnuxii compared with Siren intermedia

Taxonomic Classification

Rank	Arnoux's beaked whale	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Hyperoodontidae	Sirenidae
Genus	Berardius	Siren
Species	Berardius arnuxii	Siren intermedia

Evolutionary Relationship

Arnoux's beaked whale and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Arnoux's beaked whale	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Siren

Habitat

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

Range

Distributed across Belgium and Mexico.

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.