vs Polar bear

Gyrodinium helveticum compared with Ursus maritimus

Key Differences

• is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Chromista (色藻界)	Animalia (动物界)
Phylum	Myzozoa (黏孢门)	Chordata (脊索动物门)
Class	Dinophyceae (横裂甲藻纲)	Mammalia (哺乳動物)
Order	Gymnodiniales (裸甲藻目)	Carnivora (食肉目)
Family	Gymnodiniaceae	Ursidae (Bears)
Genus	Gyrodinium	Ursus (Bears)
Species	Gyrodinium helveticum	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 Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Gyrodinium helveticum 是一种淡水无甲甲藻，具有将细胞分为两个不等叶片的特征螺旋槽。栖息于欧洲温带和高山地区的淡水湖泊和池塘中，包括首次描述该种的瑞士。这种混养型原生生物能进行光合作用，也可能以其他微生物为食。

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。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway