ウズラクイナ vs Eurasian beaver

Crex crex compared with Castor fiber

Key Differences

• ウズラクイナ is Critically Endangered while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	ウズラクイナ	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Mammalia (哺乳類)
Order	Gruiformes (ツル目)	Rodentia (ネズミ目)
Family	Rallidae	Castoridae (Beavers)
Genus	Crex	Castor (Beavers)
Species	Crex crex	Castor fiber

Evolutionary Relationship

ウズラクイナ and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ウズラクイナ

CR — Critically Endangered

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	ウズラクイナ	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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。

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden