Arnoux's beaked whale vs Little Tern

Berardius arnuxii compared with Sternula albifrons

Key Differences

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

Taxonomic Classification

Rank	Arnoux's beaked whale	Little 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	Sternula
Species	Berardius arnuxii	Sternula albifrons

Evolutionary Relationship

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

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Little Tern

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Little Tern

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.