vs Polar bear

Dyadobacter jiangsuensis compared with Ursus maritimus

Key Differences

• is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Bacteria (Bacteria)	Animalia (动物界)
Phylum	Bacteroidota (拟杆菌门)	Chordata (脊索动物门)
Class	Bacteroidia (擬桿菌綱)	Mammalia (哺乳動物)
Order	Cytophagales (噬纤维菌目)	Carnivora (食肉目)
Family	Spirosomaceae	Ursidae (Bears)
Genus	Dyadobacter	Ursus (Bears)
Species	Dyadobacter jiangsuensis	Ursus maritimus

Conservation Status

NE — Not Evaluated

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

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

江苏双孢杆菌（Dyadobacter jiangsuensis）是细胞形菌科中一种革兰氏阴性橙色素菌，最初从中国江苏省土壤样品中分离得到。该菌为需氧、杆状、不运动的细菌，能够降解其所处土壤环境中的多糖。双孢杆菌属归属于细菌域拟杆菌门，广泛分布于陆地和淡水生境。

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。