Gharial vs Polar bear

Gavialis gangeticus compared with Ursus maritimus

Key Differences

• Gharial is Critically Endangered while Polar bear is Vulnerable.
• Polar bear is 2.2x heavier than Gharial.
• Gharial lives longer (60 years vs 25 years).

Taxonomic Classification

Rank	Gharial	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	Reptilia (爬行纲)	Mammalia (哺乳動物)
Order	Crocodylia (Crocodilians)	Carnivora (食肉目)
Family	Crocodylidae (Crocodiles)	Ursidae (Bears)
Genus	Crocodylus (True Crocodiles)	Ursus (Bears)
Species	Gavialis gangeticus	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Gharial

CR — Critically Endangered

Population: ~650

Trend: Increasing ↑

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Gharial	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	60 years	25 years
Average Length	5.0 m	2.4 m
Average Weight	200.0 kg	450.0 kg

Habitat & Geographic Range

Gharial

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across India and Nepal. 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.

Gharial

恒河鳄（Gavialis gangeticus）是一种具有独特细长吻部的食鱼性鳄目动物。成体不足700条，是极危物种。

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。