Brown Diving Beetle vs Ruddy Shelduck

Agabus brunneus compared with Tadorna ferruginea

Key Differences

• Brown Diving Beetle is Extinct while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Brown Diving Beetle	Ruddy Shelduck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Anseriformes (Anseriformes)
Family	Dytiscidae	Anatidae
Genus	Agabus	Tadorna
Species	Agabus brunneus	Tadorna ferruginea

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Diving Beetle	Ruddy Shelduck
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.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

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.

Ruddy Shelduck

Ruddy Shelduck (Tadorna ferruginea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden