Polar bear vs Lǎohǔ

Ursus maritimus compared with Panthera tigris

Key Differences

• Polar bear is Vulnerable while Lǎohǔ is Endangered.
• Polar bear is 2.0x heavier than Lǎohǔ.
• Polar bear lives longer (25 years vs 20 years).

Taxonomic Classification

Rank	Polar bear	Lǎohǔ
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 same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Carnivora (食肉目)	Carnivora (食肉目)
Family	Ursidae (Bears)	Felidae (Cats)
Genus	Ursus (Bears)	Panthera (Big Cats)
Species	Ursus maritimus	Panthera tigris

Evolutionary Relationship

Polar bear and Lǎohǔ share a common ancestor at the Order level: Carnivora. (食肉目)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Lǎohǔ

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Polar bear	Lǎohǔ
Diet	Carnivore	Carnivore
Average Lifespan	25 years	20 years
Average Length	2.4 m	3.0 m
Average Weight	450.0 kg	220.0 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.

Lǎohǔ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

Lǎohǔ

地球上最大的野生猫科动物，体重可超过300千克，栖息于从俄罗斯远东到东南亚的森林中。独居埋伏捕食者，具有独特的橙色和黑色条纹皮毛，在斑驳光线中提供伪装。由于偷猎和森林砍伐，野外种群减少至不足4,000只，被列为极危（CR）物种。