Black Tern vs blunt tellin

Chlidonias niger compared with Arcopagia crassa

Key Differences

• Black Tern is Least Concern while blunt tellin is Vulnerable.

Taxonomic Classification

Rank	Black Tern	blunt tellin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Bivalvia (Bivalvia)
Order	Charadriiformes (Charadriiformes)	Cardiida (Cardiida)
Family	Laridae	Tellinidae
Genus	Chlidonias	Arcopagia
Species	Chlidonias niger	Arcopagia crassa

Evolutionary Relationship

Black Tern and blunt tellin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Tern

LC — Least Concern

blunt tellin

VU — Vulnerable

Physical Characteristics

Attribute	Black Tern	blunt tellin
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).

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden