Common Globe-Thistle vs Polar bear
Echinops sphaerocephalus compared with Ursus maritimus
Key Differences
- Common Globe-Thistle is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Common Globe-Thistle | Polar bear |
|---|---|---|
| Kingdom same | Animalia (动物界) | Animalia (动物界) |
| Phylum same | Chordata (脊索动物门) | Chordata (脊索动物门) |
| Class same | Mammalia (哺乳動物) | Mammalia (哺乳動物) |
| Order | Afrosoricida (非洲蝟目) | Carnivora (食肉目) |
| Family | Tenrecidae | Ursidae (Bears) |
| Genus | Echinops | Ursus (Bears) |
| Species | Echinops sphaerocephalus | Ursus maritimus |
Evolutionary Relationship
Common Globe-Thistle and Polar bear share a common ancestor at the Class level: Mammalia. (哺乳動物)
Conservation Status
Common Globe-Thistle
NE — Not EvaluatedPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Common Globe-Thistle | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Common Globe-Thistle
Typically found in diverse terrestrial and aquatic ecosystems.
Widely distributed across Europe (19 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).
Polar bear
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.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Common Globe-Thistle
<em>Echinops sphaerocephalus</em>, commonly known as the common globe-thistle or great globe-thistle, is a perennial herbaceous plant in the family Asteraceae. The species has a distribution spanning Europe, North America, and Oceania, with naturalization in several regions outside its native southern and central European range. <em>Echinops sphaerocephalus</em> typically inhabits dry, open, and disturbed habitats including roadsides, waste ground, rocky slopes, and steppe grasslands, where it is well adapted to poor, well-drained soils. It produces distinctive spherical, steel-blue flower heads that are highly attractive to pollinators, particularly bees and butterflies, making it a valued plant in native garden planting and ecological restoration. The species is not currently evaluated for conservation status. Biological traits of this species remain poorly documented in the scientific literature. <em>Echinops sphaerocephalus</em> is a robust, spiny plant that can grow to considerable height and spreads readily in suitable open habitats. Its ornamental qualities and pollinator value have contributed to its deliberate planting in gardens and public green spaces beyond its native 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。
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