剑鸻 vs Polar bear

Charadrius hiaticula compared with Ursus maritimus

Key Differences

• 剑鸻 is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	剑鸻	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	Charadriiformes (鸻形目)	Carnivora (食肉目)
Family	Charadriidae	Ursidae (Bears)
Genus	Charadrius	Ursus (Bears)
Species	Charadrius hiaticula	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

剑鸻

CR — Critically Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	剑鸻	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

剑鸻

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

剑鸻

剑鸻（Charadrius hiaticula）在IUCN红色名录中被列为极危（CR）。由于种群数量严重下降和栖息地丧失，在野外面临极高的灭绝风险。

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