Common Seal vs Grayling
Phoca vitulina compared with Hipparchia semele
Key Differences
- Common Seal is Near Threatened while Grayling is Endangered.
Taxonomic Classification
| Rank | Common Seal | Grayling |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum | Chordata (脊索動物) | Arthropoda (節足動物) |
| Class | Mammalia (哺乳類) | Insecta (昆虫) |
| Order | Pinnipedia (Seals & Sea Lions) | Lepidoptera (チョウ目) |
| Family | Phocidae (True Seals) | Nymphalidae (Brush-footed Butterflies) |
| Genus | Phoca (Harbor Seals) | Hipparchia |
| Species | Phoca vitulina | Hipparchia semele |
Evolutionary Relationship
Common Seal and Grayling share a common ancestor at the Kingdom level: Animalia. (動物)
Conservation Status
Common Seal
NT — Near ThreatenedPopulation: ~500.0K
Trend: Stable →
Grayling
EN — EndangeredPhysical Characteristics
| Attribute | Common Seal | Grayling |
|---|---|---|
| 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.
Grayling
Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Found across Europe (37 countries). 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。
Grayling
グレイリング(Hipparchia semele)はIUCNレッドリストで絶滅危惧種(EN)に分類されています。野生個体群が著しく減少しており、生存への継続的な脅威により絶滅リスクが高い状況です。
Shared Countries
Both species can be found in 7 countries:
Related Comparisons
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