Arnoux's beaked whale vs Lesser Crested Tern

Berardius arnuxii compared with Thalasseus bengalensis

Key Differences

• Arnoux's beaked whale is Least Concern while Lesser Crested Tern is Not Evaluated.

Taxonomic Classification

Rank	Arnoux's beaked whale	Lesser Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Hyperoodontidae	Laridae
Genus	Berardius	Thalasseus
Species	Berardius arnuxii	Thalasseus bengalensis

Evolutionary Relationship

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

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Lesser Crested Tern

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Crested Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Sweden.

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.