ホシハジロ vs Foca Pia

Aythya ferina compared with Pagophilus groenlandicus

Key Differences

• ホシハジロ is Near Threatened while Foca Pia is Not Evaluated.

Taxonomic Classification

Rank	ホシハジロ	Foca Pia
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)	Pinnipedia (Seals & Sea Lions)
Family	Anatidae	Phocidae (True Seals)
Genus	Aythya	Pagophilus
Species	Aythya ferina	Pagophilus groenlandicus

Evolutionary Relationship

ホシハジロ and Foca Pia share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ホシハジロ

NT — Near Threatened

Foca Pia

NE — Not Evaluated

Physical Characteristics

Attribute	ホシハジロ	Foca Pia
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.

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden