Polar bear vs

Ursus maritimus compared with Salinicoccus salsiraiae

Key Differences

• Polar bear is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Polar bear
Kingdom	Animalia (动物界)	Bacteria (Bacteria)
Phylum	Chordata (脊索动物门)	Firmicutes (厚壁菌門)
Class	Mammalia (哺乳動物)	Bacilli (芽孢桿菌綱)
Order	Carnivora (食肉目)	Staphylococcales
Family	Ursidae (Bears)	Salinicoccaceae
Genus	Ursus (Bears)	Salinicoccus
Species	Ursus maritimus	Salinicoccus salsiraiae

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

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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。

Salinicoccus salsiraiae是最初从盐水土壤环境中分离的嗜盐革兰氏阳性球菌。在对大多数微生物致命的高盐条件下分解有机物的好氧化能有机营养菌，在盐田、盐性土壤和卤水等中等至高度盐水生境中繁殖。