Amur Hedgehog vs Hase iruka

Erinaceus amurensis compared with Delphinus delphis

Taxonomic Classification

Rank	Amur Hedgehog	Hase iruka
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	Erinaceomorpha (Erinaceomorpha)	Cetacea (Whales & Dolphins)
Family	Erinaceidae	Delphinidae (Oceanic Dolphins)
Genus	Erinaceus	Delphinus
Species	Erinaceus amurensis	Delphinus delphis

Evolutionary Relationship

Amur Hedgehog and Hase iruka share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Amur Hedgehog

LC — Least Concern

Hase iruka

LC — Least Concern

Physical Characteristics

Attribute	Amur Hedgehog	Hase iruka
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

Hase iruka

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。