Hase iruka vs Buckelwal
Delphinus delphis compared with Megaptera novaeangliae
Key Differences
- Hase iruka is Least Concern while Buckelwal is Vulnerable.
Taxonomic Classification
| Rank | Hase iruka | Buckelwal |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class same | Mammalia (哺乳類) | Mammalia (哺乳類) |
| Order same | Cetacea (Whales & Dolphins) | Cetacea (Whales & Dolphins) |
| Family | Delphinidae (Oceanic Dolphins) | Balaenopteridae (Rorquals) |
| Genus | Delphinus | Megaptera (Humpback Whales) |
| Species | Delphinus delphis | Megaptera novaeangliae |
Evolutionary Relationship
Hase iruka and Buckelwal share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)
Conservation Status
Hase iruka
LC — Least ConcernBuckelwal
VU — VulnerablePopulation: ~80.0K
Trend: Increasing ↑
Physical Characteristics
| Attribute | Hase iruka | Buckelwal |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 50 years |
| Average Length | — | 15.0 m |
| Average Weight | — | 30.0 t |
Habitat & Geographic Range
Hase iruka
Typically found in diverse terrestrial and aquatic ecosystems.
Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).
Buckelwal
Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.
Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Hase iruka
マイルカ(Delphinus delphis)は大西洋・地中海・インド太平洋の温帯〜熱帯海域に広く分布するイルカで、黒・白・黄色のクロスパターンが特徴的な模様を持つ。IUCNレッドリストでは軽度懸念(LC)に分類されており、世界で最も個体数の多いイルカの一種と考えられている。高速遊泳能力を持ちボウライドを楽しむ行動でよく知られ、数百頭からなる大きな群れを形成することがある。
Buckelwal
大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。
Shared Countries
Both species can be found in 9 countries:
Related Comparisons
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