Polar bear vs

Ursus maritimus compared with Rhodocollybia prolixa

Taxonomic Classification

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

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

VU — Vulnerable

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

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

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

长柄油蘑（Rhodocollybia prolixa）是具有淡褐色菌盖和细长纤维状菌柄的腐生蘑菇，生长于温带欧洲森林中的腐叶层和木质残骸上，有助于林地有机质的分解。被列为易危（VU），受到生境丧失和减少有机落叶积累的林业管理变化的威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway