Chilean Dolphin vs Least Tern

Cephalorhynchus eutropia compared with Sternula antillarum

Key Differences

• Chilean Dolphin is Near Threatened while Least Tern is Least Concern.

Taxonomic Classification

Rank	Chilean Dolphin	Least 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	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Cephalorhynchus	Sternula
Species	Cephalorhynchus eutropia	Sternula antillarum

Evolutionary Relationship

Chilean Dolphin and Least Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chilean Dolphin

NT — Near Threatened

Least Tern

LC — Least Concern

Physical Characteristics

Attribute	Chilean Dolphin	Least Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chilean Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Chilean Dolphin

The Chilean Dolphin (Cephalorhynchus eutropia) is a species in the genus Cephalorhynchus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.