large flying fox vs Polar bear

Pteropus vampyrus compared with Ursus maritimus

Key Differences

• large flying fox is Near Threatened while Polar bear is Vulnerable.
• large flying fox is herbivore while Polar bear is carnivore.
• Polar bear is 409.1x heavier than large flying fox.
• Polar bear lives longer (25 years vs 15 years).

Taxonomic Classification

Rank	large flying fox	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 same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Chiroptera (翼手目)	Carnivora (食肉目)
Family	Pteropodidae (Fruit Bats)	Ursidae (Bears)
Genus	Pteropus (Flying Foxes)	Ursus (Bears)
Species	Pteropus vampyrus	Ursus maritimus

Evolutionary Relationship

large flying fox and Polar bear share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

large flying fox

NT — Near Threatened

Trend: Decreasing ↓

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	large flying fox	Polar bear
Diet	Herbivore	Carnivore
Average Lifespan	15 years	25 years
Average Length	30 cm	2.4 m
Average Weight	1.1 kg	450.0 kg

Habitat & Geographic Range

large flying fox

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 Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia, Malaysia, Philippines, and Thailand. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

large flying fox

世界最大蝙蝠物种，翼展可达1.5米，栖息于从东南亚至菲律宾和印度尼西亚的热带森林。尽管名字令人生畏，但其完全以果实和花蜜为食，是热带森林树木不可或缺的授粉者和种子传播者。在数千只个体组成的大型群落中栖息。因猎取野味和栖息地破坏被列为易危物种。

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。