ウズラクイナ vs Japanese Weasel

Crex crex compared with Mustela itatsi

Key Differences

• ウズラクイナ is Critically Endangered while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	ウズラクイナ	Japanese Weasel
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)	Carnivora (ネコ目)
Family	Rallidae	Mustelidae (Weasels & Otters)
Genus	Crex	Mustela
Species	Crex crex	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

ウズラクイナ

CR — Critically Endangered

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	ウズラクイナ	Japanese Weasel
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.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。