Brown Diving Beetle vs Firecrest

Agabus brunneus compared with Regulus ignicapilla

Key Differences

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

Taxonomic Classification

Rank	Brown Diving Beetle	Firecrest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Passeriformes (Songbirds)
Family	Dytiscidae	Regulidae
Genus	Agabus	Regulus
Species	Agabus brunneus	Regulus ignicapilla

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Firecrest

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Firecrest
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.

Firecrest

Habitat

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

Range

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

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.

Firecrest

Firecrest (Regulus ignicapilla) 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