Brown Diving Beetle vs Ruff

Agabus brunneus compared with Calidris pugnax

Key Differences

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

Taxonomic Classification

Rank	Brown Diving Beetle	Ruff
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Aves (鳥綱)
Order	Coleoptera (鞘翅目)	Charadriiformes (鸻形目)
Family	Dytiscidae	Scolopacidae
Genus	Agabus	Calidris
Species	Agabus brunneus	Calidris pugnax

Evolutionary Relationship

Brown Diving Beetle and Ruff share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brown Diving Beetle

EX — Extinct

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Ruff
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.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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.

Ruff

流苏鹬（Calidris pugnax）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden