Blue-black Tooth vs Emperor Penguin

Phellodon atratus compared with Aptenodytes forsteri

Key Differences

• Blue-black Tooth is Least Concern while Emperor Penguin is Near Threatened.

Taxonomic Classification

Rank	Blue-black Tooth	Emperor Penguin
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Aves (Birds)
Order	Thelephorales (Thelephorales)	Sphenisciformes (Penguins)
Family	Thelephoraceae	Spheniscidae (Penguins)
Genus	Phellodon	Aptenodytes (Great Penguins)
Species	Phellodon atratus	Aptenodytes forsteri

Conservation Status

Blue-black Tooth

LC — Least Concern

Emperor Penguin

NT — Near Threatened

Population: ~595.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Blue-black Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

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.

Blue-black Tooth

The Blue-black Tooth (Phellodon atratus) is a species in the genus Phellodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.