Common Pitcher Plant vs Polar bear

Sarracenia purpurea compared with Ursus maritimus

Key Differences

Common Pitcher Plant is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Common Pitcher Plant	Polar bear
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Mammalia (哺乳類)
Order	Ericales (ツツジ目)	Carnivora (ネコ目)
Family	Sarraceniaceae	Ursidae (Bears)
Genus	Sarracenia	Ursus (Bears)
Species	Sarracenia purpurea	Ursus maritimus

Conservation Status

Common Pitcher Plant

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Pitcher Plant	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Common Pitcher Plant

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (11 countries) and North America (United States).

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.

Common Pitcher Plant

<em>Sarracenia purpurea</em>, the common pitcher plant, is a carnivorous plant in the family Sarraceniaceae, renowned for its pitcher-shaped leaves that trap and digest insects and other small invertebrates in pools of rainwater and digestive fluids. It is native to North America, where it grows in nutrient-poor wetlands including bogs, fens, and peaty swamps, supplementing its nitrogen and mineral intake through animal prey in the absence of adequate soil nutrients. The species has also been widely introduced in Europe, with naturalised populations documented in Belgium, the Czech Republic, Denmark, France, Germany, and numerous other countries, where it was introduced via horticultural trade and has established in suitable peat bog habitats. <em>Sarracenia purpurea</em> hosts distinctive aquatic invertebrate and microbial communities within its pitchers, forming a miniature ecosystem. It is assessed as Not Evaluated on the IUCN Red List globally, though regional assessments exist. Biological traits such as average plant lifespan, precise trap dimensions, and detailed physiological data remain poorly documented in the scientific literature. The species is threatened by habitat drainage, peat extraction, and invasive species in parts of its range.

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。