Common Tern vs Foca Pia

Sterna hirundo compared with Pagophilus groenlandicus

Key Differences

• Common Tern is Endangered while Foca Pia is Not Evaluated.

Taxonomic Classification

Rank	Common Tern	Foca Pia
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Aves (새)	Mammalia (포유류)
Order	Charadriiformes (도요목)	Pinnipedia (Seals & Sea Lions)
Family	Laridae	Phocidae (True Seals)
Genus	Sterna	Pagophilus
Species	Sterna hirundo	Pagophilus groenlandicus

Evolutionary Relationship

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

Conservation Status

Common Tern

EN — Endangered

Foca Pia

NE — Not Evaluated

Physical Characteristics

Attribute	Common Tern	Foca Pia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Common Tern

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

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden