Brown American Star-Footed Amanita vs Polar bear

Amanita brunnescens compared with Ursus maritimus

Key Differences

• Brown American Star-Footed Amanita is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Brown American Star-Footed Amanita	Polar bear
Kingdom	Fungi (Fungi)	Animalia (hewan)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamalia)
Order	Agaricales (Gilled Mushrooms)	Carnivora (Carnivorans)
Family	Agaricaceae (Agarics)	Ursidae (Bears)
Genus	Amanita (Amanitas)	Ursus (Bears)
Species	Amanita brunnescens	Ursus maritimus

Conservation Status

Brown American Star-Footed Amanita

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown American Star-Footed Amanita	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Brown American Star-Footed Amanita

Habitat

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

Range

Found in United States.

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.

Brown American Star-Footed Amanita

The Brown American Star-Footed Amanita (Amanita brunnescens) is a species in the genus Amanita. Typically found in forest floors, decomposing wood, and soil ecosystems. Found in United States. It is found in United States.

Polar bear

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.