Black Tern vs Brown Diving Beetle

Chlidonias niger compared with Agabus brunneus

Key Differences

• Black Tern is Least Concern while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Black Tern	Brown Diving Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Charadriiformes (Charadriiformes)	Coleoptera (Beetles)
Family	Laridae	Dytiscidae
Genus	Chlidonias	Agabus
Species	Chlidonias niger	Agabus brunneus

Evolutionary Relationship

Black Tern and Brown Diving Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Tern

LC — Least Concern

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Black Tern	Brown Diving Beetle
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 Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium 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.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden