Emperor Penguin vs

Aptenodytes forsteri compared with Prometheoarchaeum syntrophicum

Key Differences

Emperor Penguin is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank	Emperor Penguin
Kingdom	Animalia (hewan)	Archaea (Archaea)
Phylum	Chordata (Chordates)	Asgardarchaeota (Asgardarchaeota)
Class	Aves (burung)	Lokiarchaeia
Order	Sphenisciformes (Penguins)	CR-4
Family	Spheniscidae (Penguins)	MK-D1
Genus	Aptenodytes (Great Penguins)	Prometheoarchaeum
Species	Aptenodytes forsteri	Prometheoarchaeum syntrophicum

Conservation Status

Emperor Penguin

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

NE — Not Evaluated

Physical Characteristics

Attribute	Emperor Penguin
Diet	Carnivore	—
Average Lifespan	20 years	—
Average Length	1.1 m	—
Average Weight	40.0 kg	—

Habitat & Geographic Range

Emperor Penguin

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.

Emperor Penguin

The world's largest penguin, emperor penguins stand up to 1.2 meters and weigh 45 kg, inhabiting the Antarctic continent in some of the most extreme conditions on Earth. They breed in midwinter darkness at temperatures below -60°C, with males incubating single eggs on their feet under a brood pouch for 65 days while females are at sea. Their huddling behavior — cycling individuals through the warm center of thousands-strong groups — is a masterclass in cooperative survival.

Prometheoarchaeum syntrophicum is a member of the Asgard archaea, proposed as a key lineage linking the domains Archaea and Eukarya. Its long, entangling protrusions and syntrophic lifestyle with bacterial partners have informed hypotheses about the origin of eukaryotic cells.