Brown-Toothed Crust Fungus vs Oso Polar

Hydnoporia olivacea compared with Ursus maritimus

Key Differences

Brown-Toothed Crust Fungus is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Brown-Toothed Crust Fungus	Oso Polar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Hymenochaetales (Hymenochaetales)	Carnivora (carnívoros)
Family	Hymenochaetaceae	Ursidae (Bears)
Genus	Hydnoporia	Ursus (Bears)
Species	Hydnoporia olivacea	Ursus maritimus

Conservation Status

Brown-Toothed Crust Fungus

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown-Toothed Crust Fungus	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Brown-Toothed Crust Fungus

Habitat

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

Range

Distributed across Norway and United States.

Oso Polar

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.

Brown-Toothed Crust Fungus

The Brown-toothed Crust Fungus (Hydnoporia olivacea) is a species in the genus Hydnoporia. Typically found in forest floors, decomposing wood, and soil ecosystems. Distributed across Norway and United States.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.