Brown Diving Beetle vs ウズラクイナ

Agabus brunneus compared with Crex crex

Key Differences

• Brown Diving Beetle is Extinct while ウズラクイナ is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	ウズラクイナ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Aves (鳥類)
Order	Coleoptera (コウチュウ目)	Gruiformes (ツル目)
Family	Dytiscidae	Rallidae
Genus	Agabus	Crex
Species	Agabus brunneus	Crex crex

Evolutionary Relationship

Brown Diving Beetle and ウズラクイナ share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Brown Diving Beetle

EX — Extinct

ウズラクイナ

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	ウズラクイナ
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.

ウズラクイナ

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

ウズラクイナ

ウズラクイナ（Crex crex）はIUCNレッドリストで絶滅危惧IA類（CR）に分類される。深刻な個体数減少と生息地消失により、野生での絶滅リスクが極めて高い。

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden