Azorean predacious diving beetle vs Ruff

Agabus godmanni compared with Calidris pugnax

Key Differences

• Azorean predacious diving beetle is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Azorean predacious 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 godmanni	Calidris pugnax

Evolutionary Relationship

Azorean predacious diving beetle and Ruff share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Azorean predacious diving beetle

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Azorean predacious diving beetle	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azorean predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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).

Azorean predacious diving beetle

The Azorean predacious diving beetle (Agabus godmanni) is a species in the genus Agabus. It is currently classified as Endangered 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。