Common Seal vs キバシオナガガモ
Phoca vitulina compared with Anas georgica
Key Differences
- Common Seal is Near Threatened while キバシオナガガモ is Endangered.
Taxonomic Classification
| Rank | Common Seal | キバシオナガガモ |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class | Mammalia (哺乳類) | Aves (鳥類) |
| Order | Pinnipedia (Seals & Sea Lions) | Anseriformes (カモ目) |
| Family | Phocidae (True Seals) | Anatidae |
| Genus | Phoca (Harbor Seals) | Anas |
| Species | Phoca vitulina | Anas georgica |
Evolutionary Relationship
Common Seal and キバシオナガガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)
Conservation Status
Common Seal
NT — Near ThreatenedPopulation: ~500.0K
Trend: Stable →
キバシオナガガモ
EN — EndangeredPhysical Characteristics
| Attribute | Common Seal | キバシオナガガモ |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 30 years | — |
| Average Length | 1.7 m | — |
| Average Weight | 80.0 kg | — |
Habitat & Geographic Range
Common Seal
Typically found in diverse ecosystems where prey species are available.
Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.
キバシオナガガモ
Typically found in various aerial, terrestrial, and aquatic environments.
Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.
Common Seal
最も広く分布する鰭脚類であるゴマフアザラシの近縁種・ゼニガタアザラシ(Phoca vitulina)は、北大西洋と北太平洋の温帯・亜北極沿岸に生息する。成体は最大130kgに達し、海での魚・イカ・甲殻類の捕食と海岸や岩場での休息にほぼ同じ時間を費やす。大きく表情豊かな目は低照度での水中視覚に適応している。シャチ・サメ・ホッキョクグマにとって重要な食料源である。
キバシオナガガモ
キバシオナガガモ(Anas georgica)はIUCNレッドリストで絶滅危惧(EN)に分類されています。野生での絶滅の高いリスクにさらされており、個体数が大幅に減少し生存への継続的な脅威があります。
Related Comparisons
Nature FYI Family
Explore more of the natural world across our sister sites.
Part of the Nature FYI family — FYIPedia