Caroline Ivory Nut vs Polar bear

Metroxylon amicarum compared with Ursus maritimus

Key Differences

Caroline Ivory Nut is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Caroline Ivory Nut	Polar bear
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Liliopsida (単子葉植物綱)	Mammalia (哺乳類)
Order	Arecales (ヤシ目)	Carnivora (ネコ目)
Family	Arecaceae	Ursidae (Bears)
Genus	Metroxylon	Ursus (Bears)
Species	Metroxylon amicarum	Ursus maritimus

Conservation Status

Caroline Ivory Nut

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Caroline Ivory Nut

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Found in Marshall Islands. 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.

Caroline Ivory Nut

The Caroline Ivory Nut (Metroxylon amicarum) is a species in the genus Metroxylon. It is currently classified as Near Threatened on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

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。