コウテイペンギン vs River Lamprey

Aptenodytes forsteri compared with Lampetra ayresii

Key Differences

• コウテイペンギン is Near Threatened while River Lamprey is Least Concern.

Taxonomic Classification

Rank	コウテイペンギン	River Lamprey
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Petromyzonti (Petromyzonti)
Order	Sphenisciformes (Penguins)	Petromyzontiformes (ヤツメウナギ目)
Family	Spheniscidae (Penguins)	Petromyzontidae
Genus	Aptenodytes (Great Penguins)	Lampetra
Species	Aptenodytes forsteri	Lampetra ayresii

Evolutionary Relationship

コウテイペンギン and River Lamprey share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

コウテイペンギン

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	コウテイペンギン	River Lamprey
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.

River Lamprey

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。