ホシハジロ vs マダガスカルメジロガモ

Aythya ferina compared with Aythya innotata

Key Differences

• ホシハジロ is Near Threatened while マダガスカルメジロガモ is Critically Endangered.

Taxonomic Classification

Rank	ホシハジロ	マダガスカルメジロガモ
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 innotata

Evolutionary Relationship

ホシハジロ and マダガスカルメジロガモ share a common ancestor at the Genus level: Aythya.

Conservation Status

ホシハジロ

NT — Near Threatened

マダガスカルメジロガモ

CR — Critically Endangered

Physical Characteristics

Attribute	ホシハジロ	マダガスカルメジロガモ
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.

マダガスカルメジロガモ

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered 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。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway