白鵜鶘 vs Polar bear

Pelecanus onocrotalus compared with Ursus maritimus

Key Differences

• 白鵜鶘 is Not Evaluated while Polar bear is Vulnerable.
• Polar bear is 45.0x heavier than 白鵜鶘.
• 白鵜鶘 lives longer (30 years vs 25 years).

Taxonomic Classification

Rank	白鵜鶘	Polar bear
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Pelecaniformes (鹈形目)	Carnivora (食肉目)
Family	Pelecanidae	Ursidae (Bears)
Genus	Pelecanus	Ursus (Bears)
Species	Pelecanus onocrotalus	Ursus maritimus

Evolutionary Relationship

白鵜鶘 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

白鵜鶘

NE — Not Evaluated

Trend: Stable →

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	白鵜鶘	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	30 years	25 years
Average Length	1.6 m	2.4 m
Average Weight	10.0 kg	450.0 kg

Habitat & Geographic Range

白鵜鶘

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (9 countries).

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.

白鵜鶘

白鹈鹕是世界上最大的鹈鹕之一，翼展可达3.6米，栖息于欧洲、非洲和亚洲的浅湖和湿地。这是群居繁殖、协作觅食的社会性鸟类，鹈鹕群体会把鱼赶到浅水区，然后用可伸缩的喉囊将其舀起。喉囊最多可容纳13升水。种群数量稳定，全球被列为无危物种。

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