Atlantic Dolphin vs Peruvian Tern

Delphinus delphis compared with Sternula lorata

Key Differences

• Atlantic Dolphin is Least Concern while Peruvian Tern is Endangered.

Taxonomic Classification

Rank	Atlantic Dolphin	Peruvian 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	Delphinus	Sternula
Species	Delphinus delphis	Sternula lorata

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Peruvian Tern

EN — Endangered

Physical Characteristics

Attribute	Atlantic Dolphin	Peruvian Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Peruvian Tern

Habitat

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

Range

Distributed across Ecuador and Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway