vs Polar bear

Haloterrigena thermotolerans compared with Ursus maritimus

Key Differences

• is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Archaea (Archaea)	Animalia (动物界)
Phylum	Halobacteriota (Halobacteriota)	Chordata (脊索动物门)
Class	Halobacteria (盐杆菌纲)	Mammalia (哺乳動物)
Order	Halobacteriales (盐杆菌目)	Carnivora (食肉目)
Family	Natrialbaceae	Ursidae (Bears)
Genus	Haloterrigena	Ursus (Bears)
Species	Haloterrigena thermotolerans	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

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.

Haloterrigena thermotolerans 是一种能在高盐浓度和高温条件下均可生长的超嗜盐耐热古菌。栖息于盐结晶、盐泉和热影响超盐分栖息地等盐分多且温暖的陆地环境中。这种需氧化学异养生物适应了高盐度和高温的双重胁迫。

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。