Black Tern vs Foca Pia

Chlidonias niger compared with Pagophilus groenlandicus

Key Differences

• Black Tern is Least Concern while Foca Pia is Not Evaluated.

Taxonomic Classification

Rank	Black Tern	Foca Pia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Pinnipedia (Seals & Sea Lions)
Family	Laridae	Phocidae (True Seals)
Genus	Chlidonias	Pagophilus
Species	Chlidonias niger	Pagophilus groenlandicus

Evolutionary Relationship

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

Conservation Status

Black Tern

LC — Least Concern

Foca Pia

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Black Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Black Tern

Black Tern (Chlidonias niger) 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden