Northern Shoveler vs Polar bear
Spatula clypeata compared with Ursus maritimus
Key Differences
- Northern Shoveler is Near Threatened while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Northern Shoveler | 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 | Aves (鳥綱) | Mammalia (哺乳動物) |
| Order | Anseriformes (雁形目) | Carnivora (食肉目) |
| Family | Anatidae | Ursidae (Bears) |
| Genus | Spatula | Ursus (Bears) |
| Species | Spatula clypeata | Ursus maritimus |
Evolutionary Relationship
Northern Shoveler and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)
Conservation Status
Northern Shoveler
NT — Near ThreatenedPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Northern Shoveler | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Northern Shoveler
Typically found in various aerial, terrestrial, and aquatic environments.
Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.
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.
Northern Shoveler
Northern Shoveler(Spatula clypeata,琵嘴鸭)在IUCN红色名录中被列为近危(NT)。接近受威胁标准,若无保育行动,种群可能变得脆弱。
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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