ハジロカイツブリ vs ミミカイツブリ

Podiceps nigricollis compared with Podiceps auritus

Key Differences

• ハジロカイツブリ is Endangered while ミミカイツブリ is Vulnerable.

Taxonomic Classification

Rank	ハジロカイツブリ	ミミカイツブリ
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	Podicipediformes (Podicipediformes)	Podicipediformes (Podicipediformes)
Family same	Podicipedidae	Podicipedidae
Genus same	Podiceps	Podiceps
Species	Podiceps nigricollis	Podiceps auritus

Evolutionary Relationship

ハジロカイツブリ and ミミカイツブリ share a common ancestor at the Genus level: Podiceps.

Conservation Status

ハジロカイツブリ

EN — Endangered

ミミカイツブリ

VU — Vulnerable

Physical Characteristics

Attribute	ハジロカイツブリ	ミミカイツブリ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ハジロカイツブリ

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

ミミカイツブリ

Habitat

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

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

ハジロカイツブリ

Black-Necked Grebe（Podiceps nigricollis）はIUCNレッドリストで絶滅危惧種（EN）に分類されています。野生での絶滅リスクが高く、個体数が著しく減少し、生存を脅かす要因が継続しています。

ミミカイツブリ

ミミカイツブリ（Podiceps auritus）はIUCNレッドリストで危急（VU）に分類される。野生での絶滅リスクが高く、個体群が減少し、生息地への圧力が増大している。

Shared Countries

Both species can be found in 6 countries:

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