hedgehog vs Irrawaddy dolphin

Erinaceus europaeus compared with Orcaella brevirostris

Key Differences

• hedgehog is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	hedgehog	Irrawaddy dolphin
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	Orcaella
Species	Erinaceus europaeus	Orcaella brevirostris

Evolutionary Relationship

hedgehog and Irrawaddy dolphin share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

hedgehog

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	hedgehog	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and Oceania and the Pacific (New Zealand).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

hedgehog

ハリネズミ（Erinaceus europaeus）は、IUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はありません。