Club-Spur Orchid vs Polar bear

Platanthera clavellata compared with Ursus maritimus

Key Differences

  • Club-Spur Orchid is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank Club-Spur Orchid Polar bear
Kingdom Plantae (植物) Animalia (动物界)
Phylum Magnoliophyta (木兰植物门) Chordata (脊索动物门)
Class Liliopsida (百合纲) Mammalia (哺乳動物)
Order Asparagales (天门冬目) Carnivora (食肉目)
Family Orchidaceae Ursidae (Bears)
Genus Platanthera Ursus (Bears)
Species Platanthera clavellata Ursus maritimus

Conservation Status

Club-Spur Orchid

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Club-Spur Orchid Polar bear
Diet Carnivore
Average Lifespan 25 years
Average Length 2.4 m
Average Weight 450.0 kg

Habitat & Geographic Range

Club-Spur Orchid

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada, France, Sweden, and 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.

Club-Spur Orchid

Platanthera clavellata, the small green wood orchid or club-spur orchid, is a terrestrial orchid in the family Orchidaceae native to eastern North America, from Newfoundland and Manitoba south to Florida and Texas. The species grows in a variety of moist to wet habitats including bogs, fens, wet meadows, seeps, swamps, and moist deciduous or coniferous forests. It typically produces a single large basal leaf and a slender flowering stem bearing small, greenish-white or pale yellow flowers arranged in a loose spike. Like other Platanthera orchids, it is pollinated by night-flying moths attracted to its faint fragrance. The club-shaped spur of the flower, which contains nectar, gives the species its common name. P. clavellata is not currently assessed by the IUCN (Not Evaluated), but is considered secure across much of its range in Canada and the eastern United States, though local populations may be threatened by wetland drainage, habitat conversion, and browsing by deer. The species depends on symbiotic mycorrhizal fungi in the soil for germination and early growth, as is typical for terrestrial orchids.

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。

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