白頰山雀〔南方大山雀〕 vs Polar bear
Parus cinereus compared with Ursus maritimus
Key Differences
- 白頰山雀〔南方大山雀〕 is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | 白頰山雀〔南方大山雀〕 | 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 | Passeriformes (雀形目) | Carnivora (食肉目) |
| Family | Paridae | Ursidae (Bears) |
| Genus | Parus | Ursus (Bears) |
| Species | Parus cinereus | Ursus maritimus |
Evolutionary Relationship
白頰山雀〔南方大山雀〕 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)
Conservation Status
白頰山雀〔南方大山雀〕
NE — Not EvaluatedPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | 白頰山雀〔南方大山雀〕 | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
白頰山雀〔南方大山雀〕
Typically found in various aerial, terrestrial, and aquatic environments.
Found in Norway.
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.
白頰山雀〔南方大山雀〕
The cinereous tit (Parus cinereus) is a medium-sized passerine in the family Paridae, distributed across South and Southeast Asia from Pakistan and India east through Bangladesh, Myanmar, Thailand, and the Malay Peninsula, and on several Indonesian islands. It inhabits a wide range of forested and wooded habitats from lowland tropical forest to foothill and montane forest, as well as gardens and cultivated areas with trees. The cinereous tit is closely related to the great tit (Parus major) of Europe and has sometimes been treated as a subspecies; the two are now recognized as distinct species based on morphological and genetic evidence. It feeds on insects, spiders, seeds, and berries, foraging actively in tree canopies and undergrowth. The species is classified as Not Evaluated by the IUCN. Populations are generally considered common across their South and Southeast Asian range. The cinereous tit adapts well to modified habitats including gardens and urban parks, making it relatively resilient to habitat change compared to more specialized forest species. It is entirely absent from Europe; database records citing Norway are artifacts of data entry error. Like other tits, it is a cavity nester, using natural holes in trees or artificial nest boxes. It is a popular species among birdwatchers in India and Southeast Asia.
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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