オオホシハジロ vs マダガスカルメジロガモ

Aythya valisineria compared with Aythya innotata

Key Differences

• オオホシハジロ is Not Evaluated while マダガスカルメジロガモ is Critically Endangered.

Taxonomic Classification

Rank	オオホシハジロ	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 valisineria	Aythya innotata

Evolutionary Relationship

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

Conservation Status

オオホシハジロ

NE — Not Evaluated

マダガスカルメジロガモ

CR — Critically Endangered

Physical Characteristics

Attribute	オオホシハジロ	マダガスカルメジロガモ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

オオホシハジロ

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.

オオホシハジロ

カンバスバック（Aythya valisineria）はIUCNレッドリストで未評価（NE）に分類されています。まだIUCNレッドリストの基準に照らした評価が行われておらず、保全状況は未確定です。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway