Beech Tarcrust vs Oso Polar

Biscogniauxia nummularia compared with Ursus maritimus

Key Differences

Beech Tarcrust is Data Deficient while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Beech Tarcrust	Oso Polar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (cordados)
Class	Sordariomycetes (Sordariomycetes)	Mammalia (mamíferos)
Order	Xylariales (Xylariales)	Carnivora (carnívoros)
Family	Graphostromataceae	Ursidae (Bears)
Genus	Biscogniauxia	Ursus (Bears)
Species	Biscogniauxia nummularia	Ursus maritimus

Conservation Status

Beech Tarcrust

DD — Data Deficient

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Beech Tarcrust	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Beech Tarcrust

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), 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.

Beech Tarcrust

The Beech Tarcrust (Biscogniauxia nummularia) is a species in the genus Biscogniauxia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

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.