Rötender Runzel-Schichtpilz vs Eisbär

Stereum rugosum compared with Ursus maritimus

Key Differences

Rötender Runzel-Schichtpilz is Least Concern while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Rötender Runzel-Schichtpilz	Eisbär
Kingdom	Fungi (Pilze)	Animalia (Tier)
Phylum	Basidiomycota (Ständerpilze)	Chordata (Chordatiere)
Class	Agaricomycetes (Mushrooms)	Mammalia (Säugetiere)
Order	Russulales (Täublingsartige)	Carnivora (Raubtiere)
Family	Stereaceae	Ursidae (Bears)
Genus	Stereum	Ursus (Bears)
Species	Stereum rugosum	Ursus maritimus

Conservation Status

Rötender Runzel-Schichtpilz

LC — Least Concern

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Rötender Runzel-Schichtpilz	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Rötender Runzel-Schichtpilz

Habitat

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

Range

Distributed across Belgium, Norway, Portugal, Sweden, and Taiwan.

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.

Rötender Runzel-Schichtpilz

The Bleeding Broadleaf Crust (Stereum rugosum) 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.

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.