Black Tern vs Brown Teal

Chlidonias niger compared with Anas chlorotis

Key Differences

• Black Tern is Least Concern while Brown Teal is Near Threatened.

Taxonomic Classification

Rank	Black Tern	Brown Teal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Anseriformes (Anseriformes)
Family	Laridae	Anatidae
Genus	Chlidonias	Anas
Species	Chlidonias niger	Anas chlorotis

Evolutionary Relationship

Black Tern and Brown Teal share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black Tern

LC — Least Concern

Brown Teal

NT — Near Threatened

Physical Characteristics

Attribute	Black Tern	Brown Teal
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).

Brown Teal

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Brown Teal

The Brown Teal (Anas chlorotis) is a species in the genus Anas. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway