Blue-black Tooth vs Polar bear

Phellodon atratus compared with Ursus maritimus

Key Differences

Blue-black Tooth is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Blue-black Tooth	Polar bear
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Thelephorales (Thelephorales)	Carnivora (carnívoros)
Family	Thelephoraceae	Ursidae (Bears)
Genus	Phellodon	Ursus (Bears)
Species	Phellodon atratus	Ursus maritimus

Conservation Status

Blue-black Tooth

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Blue-black Tooth	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Blue-black Tooth

Habitat

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

Polar bear

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. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.