ホシハジロ vs スズガモ

Aythya ferina compared with Aythya marila

Key Differences

• ホシハジロ is Near Threatened while スズガモ is Vulnerable.

Taxonomic Classification

Rank	ホシハジロ	スズガモ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Anseriformes (カモ目)	Anseriformes (カモ目)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya ferina	Aythya marila

Evolutionary Relationship

ホシハジロ and スズガモ share a common ancestor at the Genus level: Aythya.

Conservation Status

ホシハジロ

NT — Near Threatened

スズガモ

VU — Vulnerable

Physical Characteristics

Attribute	ホシハジロ	スズガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ホシハジロ

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

スズガモ

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

ホシハジロ

ホシハジロ（Aythya ferina）はIUCNレッドリストで準絶滅危惧（NT）に分類されている。脅威のある種の基準に近く、保全措置がなければ脆弱になる可能性がある。

スズガモ

スズガモ（Aythya marila）はIUCNレッドリストで危急種（VU）に分類されています。個体群が減少し生息地への圧力が増大しており、野生での絶滅リスクが高い状況です。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States