Arnoux's beaked whale vs Elegant Tern

Berardius arnuxii compared with Thalasseus elegans

Key Differences

• Arnoux's beaked whale is Least Concern while Elegant Tern is Near Threatened.

Taxonomic Classification

Rank	Arnoux's beaked whale	Elegant 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 elegans

Evolutionary Relationship

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

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Elegant Tern

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Elegant Tern

Habitat

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

Range

Distributed across Belgium, Colombia, Denmark, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.