橙頰梅花雀 vs Polar bear
Estrilda melpoda compared with Ursus maritimus
Key Differences
- 橙頰梅花雀 is Least Concern while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | 橙頰梅花雀 | 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 | Estrildidae | Ursidae (Bears) |
| Genus | Estrilda | Ursus (Bears) |
| Species | Estrilda melpoda | Ursus maritimus |
Evolutionary Relationship
橙頰梅花雀 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)
Conservation Status
橙頰梅花雀
LC — Least ConcernPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | 橙頰梅花雀 | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
橙頰梅花雀
Typically found in various aerial, terrestrial, and aquatic environments.
Widely distributed across Asia (Japan), Europe (4 countries), and North America (United States).
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.
橙頰梅花雀
Orange-cheeked Waxbill(Estrilda melpoda,橙颊梅花雀)是一种迷人的小型梅花雀,以灰色头部、棕色背部和淡白色腹部为背景,具有醒目的橙色颊斑。原产于西非和中非的潮湿森林及林缘。以小型草籽和杂草种子为食,常在水边活动。作为笼养鸟被广泛饲养,在波多黎各、欧洲和亚洲部分地区已建立野生种群。活跃而好群居,配对关系牢固。
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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