Bleeding Oak Crust vs Oso Polar

Stereum gausapatum compared with Ursus maritimus

Key Differences

Bleeding Oak Crust is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Bleeding Oak Crust	Oso Polar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Russulales (Russulales)	Carnivora (carnívoros)
Family	Stereaceae	Ursidae (Bears)
Genus	Stereum	Ursus (Bears)
Species	Stereum gausapatum	Ursus maritimus

Conservation Status

Bleeding Oak Crust

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bleeding Oak Crust	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bleeding Oak Crust

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil).

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.

Bleeding Oak Crust

The Bleeding Oak Crust (Stereum gausapatum) is a species in the genus Stereum. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.