Brown Diving Beetle vs Feldschwirl

Agabus brunneus compared with Locustella naevia

Key Differences

• Brown Diving Beetle is Extinct while Feldschwirl is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Feldschwirl
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Insecta (Insekten)	Aves (Vögel)
Order	Coleoptera (Käfer)	Passeriformes (Sperlingsvögel)
Family	Dytiscidae	Locustellidae
Genus	Agabus	Locustella
Species	Agabus brunneus	Locustella naevia

Evolutionary Relationship

Brown Diving Beetle and Feldschwirl share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Brown Diving Beetle

EX — Extinct

Feldschwirl

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Feldschwirl
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.

Feldschwirl

Habitat

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

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Feldschwirl

Common Grasshopper-Warbler (Locustella naevia) 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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden