Schwarzköpfiger Haarstern vs Eisbär

Geastrum melanocephalum compared with Ursus maritimus

Key Differences

Schwarzköpfiger Haarstern is Endangered while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Schwarzköpfiger Haarstern	Eisbär
Kingdom	Fungi (Pilze)	Animalia (Tier)
Phylum	Basidiomycota (Ständerpilze)	Chordata (Chordatiere)
Class	Agaricomycetes (Mushrooms)	Mammalia (Säugetiere)
Order	Geastrales (Geastrales)	Carnivora (Raubtiere)
Family	Geastraceae	Ursidae (Bears)
Genus	Geastrum	Ursus (Bears)
Species	Geastrum melanocephalum	Ursus maritimus

Conservation Status

Schwarzköpfiger Haarstern

EN — Endangered

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Schwarzköpfiger Haarstern	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Schwarzköpfiger Haarstern

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Schwarzköpfiger Haarstern

Geastrum melanocephalum is an earthstar fungus in the family Geastraceae, assessed as Endangered (EN). It produces distinctive star-shaped fruiting bodies with a dark-capped spore sac and is found in stable, undisturbed grassland and woodland edge habitats. Its endangered status reflects sensitivity to habitat disturbance and the decline of traditional land management practices.

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.