ハジロカイツブリ vs Lion

Podiceps nigricollis compared with Panthera leo

Key Differences

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

Taxonomic Classification

Rank	ハジロカイツブリ	Lion
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	Podicipediformes (Podicipediformes)	Carnivora (ネコ目)
Family	Podicipedidae	Felidae (Cats)
Genus	Podiceps	Panthera (Big Cats)
Species	Podiceps nigricollis	Panthera leo

Evolutionary Relationship

ハジロカイツブリ and Lion share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ハジロカイツブリ

EN — Endangered

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	ハジロカイツブリ	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

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.

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. 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。

Lion

アフリカ最大の野生ネコ科動物で最大250kgに達し、サハラ以南のサバンナや草原に生息する唯一の社会性ネコ科動物です。雄は象徴的なたてがみで識別されます。頂点捕食者として草食動物の個体群を調節し、生態系のバランスを維持します。生息地の喪失と人間との軋轢により危急種に分類されています。