Polar bear vs Rafflesia

Ursus maritimus compared with Rafflesia arnoldii

Key Differences

• Polar bear is Vulnerable while Rafflesia is Endangered.
• Polar bear is carnivore while Rafflesia is parasite.
• Polar bear is 40.9x heavier than Rafflesia.
• Polar bear lives longer (25 years vs 5 years).

Taxonomic Classification

Rank	Polar bear	Rafflesia
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Carnivora (食肉目)	Rosales (蔷薇目)
Family	Ursidae (Bears)	Rosaceae (Rose Family)
Genus	Ursus (Bears)	Rosa (Roses)
Species	Ursus maritimus	Rafflesia arnoldii

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Rafflesia

EN — Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	Polar bear	Rafflesia
Diet	Carnivore	Parasite
Average Lifespan	25 years	5 years
Average Length	2.4 m	1.0 m
Average Weight	450.0 kg	11.0 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.

Rafflesia

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 5 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 and Malaysia. 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。

Rafflesia

大花草（Rafflesia arnoldii）能开出直径最大1米的世界最大单朵花。它是一种没有根、茎和叶的寄生植物。