vs Polar bear

Phaeocollybia arduennensis compared with Ursus maritimus

Key Differences

is Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Fungi (真菌界)	Animalia (动物界)
Phylum	Basidiomycota (担子菌门)	Chordata (脊索动物门)
Class	Agaricomycetes (傘菌綱)	Mammalia (哺乳動物)
Order	Agaricales (伞菌目)	Carnivora (食肉目)
Family	Hymenogastraceae	Ursidae (Bears)
Genus	Phaeocollybia	Ursus (Bears)
Species	Phaeocollybia arduennensis	Ursus maritimus

Conservation Status

EN — Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute		Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Habitat

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

Range

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

Polar bear

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.

Phaeocollybia arduennensis 是 Hymenogastraceae 科的深根伞菌，被评为濒危（EN）。生长于老龄针叶林和混交林中，形成独特的黄褐色圆锥形菌盖和深入土壤的渐细假根。濒危状态反映了其对具有深厚腐殖质土壤的未受干扰成熟森林的依赖。