Weiden-Dickfuß vs Eisbär

Cortinarius urbicus compared with Ursus maritimus

Key Differences

Weiden-Dickfuß is Data Deficient while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Weiden-Dickfuß	Eisbär
Kingdom	Fungi (Pilze)	Animalia (Tier)
Phylum	Basidiomycota (Ständerpilze)	Chordata (Chordatiere)
Class	Agaricomycetes (Mushrooms)	Mammalia (Säugetiere)
Order	Agaricales (Champignonartige)	Carnivora (Raubtiere)
Family	Cortinariaceae	Ursidae (Bears)
Genus	Cortinarius	Ursus (Bears)
Species	Cortinarius urbicus	Ursus maritimus

Conservation Status

Weiden-Dickfuß

DD — Data Deficient

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Weiden-Dickfuß	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Weiden-Dickfuß

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Weiden-Dickfuß

Cortinarius urbicus is a robust, fibrous-capped mushroom in the Cortinarius genus with a silky brown cap and rust-spored gills at maturity. It inhabits coniferous and mixed forests, forming ectomycorrhizal associations with spruce, pine, and occasionally deciduous trees. This fungus obtains nutrients by trading sugars with its tree partners in forest soil environments.

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.