アカアシコガモ vs Eurasian beaver

Amazonetta brasiliensis compared with Castor fiber

Key Differences

• アカアシコガモ is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	アカアシコガモ	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	Anseriformes (カモ目)	Rodentia (ネズミ目)
Family	Anatidae	Castoridae (Beavers)
Genus	Amazonetta	Castor (Beavers)
Species	Amazonetta brasiliensis	Castor fiber

Evolutionary Relationship

アカアシコガモ and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

アカアシコガモ

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	アカアシコガモ	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

アカアシコガモ

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela).

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.

アカアシコガモ

ブラジルコガモ（Amazonetta brasiliensis）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway