コウテイペンギン vs ケワタガモ

Aptenodytes forsteri compared with Somateria spectabilis

Key Differences

コウテイペンギン is Near Threatened while ケワタガモ is Not Evaluated.

Taxonomic Classification

Rank	コウテイペンギン	ケワタガモ
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	Sphenisciformes (Penguins)	Anseriformes (カモ目)
Family	Spheniscidae (Penguins)	Anatidae
Genus	Aptenodytes (Great Penguins)	Somateria
Species	Aptenodytes forsteri	Somateria spectabilis

Evolutionary Relationship

コウテイペンギン and ケワタガモ share a common ancestor at the Class level: Aves. (鳥類)

表示 Class: Aves

Conservation Status

コウテイペンギン

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

ケワタガモ

NE — Not Evaluated

Physical Characteristics

Attribute	コウテイペンギン	ケワタガモ
Diet	Carnivore	—
Average Lifespan	20 years	—
Average Length	1.1 m	—
Average Weight	40.0 kg	—

Habitat & Geographic Range

コウテイペンギン

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

ケワタガモ

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

コウテイペンギン

世界最大のペンギンであるコウテイペンギン（Aptenodytes forsteri）は体高最大1.2m、体重45kgで、地球上で最も過酷な環境の一つである南極大陸に生息しています。零下60°C以下の真冬の暗闇の中で繁殖し、雌が海上にいる間、雄が65日間足の上で育雛嚢の下に一つの卵を温め続けます。数千羽からなる群れで個体が暖かい中心部を循環するいわゆるハドリング行動は、協調的な生存戦略の傑作です。