Polar bear vs

Ursus maritimus compared with Uromyces junci

Key Differences

• Polar bear is Vulnerable while is Not Evaluated.

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)	Pucciniomycetes (柄锈菌纲)
Order	Carnivora (食肉目)	Pucciniales (柄锈菌目)
Family	Ursidae (Bears)	Pucciniaceae
Genus	Ursus (Bears)	Uromyces
Species	Ursus maritimus	Uromyces junci

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 Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Portugal.

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。

Uromyces junci是寄生于灯芯草(Juncus属)的锈菌，在湿地及水边栖息地的宿主植物茎叶上引起橙褐色脓疱状病变。这种专性寄生菌完全依赖活体宿主组织来完成其生活史。分布于欧洲温带地区及其以外、适宜的Juncus宿主存在于湿润环境的地方。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway