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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Chiroptera (翼手目)	Carnivora (ネコ目)
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. (哺乳類)

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

世界最大のコウモリ種で、翼開長は最大1.5メートルに達し、東南アジアからフィリピン・インドネシアにかけての熱帯林に生息する。その名に反して果実と花蜜のみを食べ、熱帯林の樹木にとって不可欠な花粉媒介者・種子散布者となっている。数千頭もの巨大なコロニーでねぐらを作る。食用のための狩猟と生息地破壊により絶滅危惧種に指定されている。

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。