Chilean Dolphin vs Common Tern

Cephalorhynchus eutropia compared with Sterna hirundo

Key Differences

• Chilean Dolphin is Near Threatened while Common Tern is Endangered.

Taxonomic Classification

Rank	Chilean Dolphin	Common Tern
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (도요목)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Cephalorhynchus	Sterna
Species	Cephalorhynchus eutropia	Sterna hirundo

Evolutionary Relationship

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

Conservation Status

Chilean Dolphin

NT — Near Threatened

Common Tern

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Chilean Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Tern

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Common Tern

제비갈매기(Sterna hirundo)는 IUCN 적색목록에서 위기(EN)로 분류된다. 야생에서 멸종 위험이 높으며 상당한 개체수 감소와 생존을 위협하는 요인들이 지속되고 있다.