Brown Diving Beetle vs River Tern

Agabus brunneus compared with Sterna aurantia

Key Differences

• Brown Diving Beetle is Extinct while River Tern is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.