Brown-Net Bolete vs Eisbär

Tylopilus variobrunneus compared with Ursus maritimus

Key Differences

Brown-Net Bolete is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Brown-Net Bolete	Eisbär
Kingdom	Fungi (Pilze)	Animalia (Tier)
Phylum	Basidiomycota (Ständerpilze)	Chordata (Chordatiere)
Class	Agaricomycetes (Mushrooms)	Mammalia (Säugetiere)
Order	Boletales (Dickröhrlingsartige)	Carnivora (Raubtiere)
Family	Boletaceae	Ursidae (Bears)
Genus	Tylopilus	Ursus (Bears)
Species	Tylopilus variobrunneus	Ursus maritimus

Conservation Status

Brown-Net Bolete

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown-Net Bolete	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Brown-Net Bolete

Habitat

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

Eisbär

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-Net Bolete

The Brown-net Bolete (Tylopilus variobrunneus) is a species in the genus Tylopilus. Typically found in forest floors, decomposing wood, and soil ecosystems. As a member of the Tylopilus genus, this species contributes to biodiversity in its native range.

Eisbär

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.