Eurasian beaver vs キンクロハジロ

Castor fiber compared with Aythya fuligula

Key Differences

• Eurasian beaver is Vulnerable while キンクロハジロ is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	キンクロハジロ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Rodentia (ネズミ目)	Anseriformes (カモ目)
Family	Castoridae (Beavers)	Anatidae
Genus	Castor (Beavers)	Aythya
Species	Castor fiber	Aythya fuligula

Evolutionary Relationship

Eurasian beaver and キンクロハジロ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

キンクロハジロ

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	キンクロハジロ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

キンクロハジロ

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

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。

キンクロハジロ

キンクロハジロ(Aythya fuligula)はIUCNレッドリストで軽度懸念(LC)に指定されています。生息域全体に広く分布し個体群は安定しており、直接的な保全上の懸念はありません。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden