Black Tern vs Whiskered Tern

Chlidonias niger compared with Chlidonias hybrida

Key Differences

• Black Tern is Least Concern while Whiskered Tern is Not Evaluated.

Taxonomic Classification

Rank	Black Tern	Whiskered Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Chlidonias	Chlidonias
Species	Chlidonias niger	Chlidonias hybrida

Evolutionary Relationship

Black Tern and Whiskered Tern share a common ancestor at the Genus level: Chlidonias.

Conservation Status

Black Tern

LC — Least Concern

Whiskered Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Black Tern	Whiskered Tern
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).

Whiskered Tern

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, 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 4 countries:

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