Polar bear vs

Ursus maritimus compared with Volvariella volvacea

Key Differences

Polar bear is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Polar bear
Kingdom	Animalia (प्राणी)	Fungi (फफूंद)
Phylum	Chordata (रज्जुकी)	Basidiomycota (Club Fungi)
Class	Mammalia (स्तनधारी)	Agaricomycetes (Mushrooms)
Order	Carnivora (मांसाहारी गण)	Agaricales (Gilled Mushrooms)
Family	Ursidae (Bears)	Pluteaceae
Genus	Ursus (Bears)	Volvariella
Species	Ursus maritimus	Volvariella volvacea

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic 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.

Habitat

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

Range

Widely distributed across Africa (4 countries), Asia (Taiwan), and Europe (5 countries).

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.

Volvariella volvacea, the paddy straw mushroom, is a medium-sized mushroom with a distinctive volva at the base, grey-brown cap, and pink gills arising from free cultivation in tropical Asia for millennia. It grows on rice straw, compost, and decaying plant matter in tropical and subtropical regions of Southeast and East Asia. This saprotrophic fungus decomposes agricultural residues, particularly rice straw, and is widely cultivated as a food mushroom.