Amur Hedgehog vs ナガスクジラ

Erinaceus amurensis compared with Balaenoptera physalus

Key Differences

• Amur Hedgehog is Least Concern while ナガスクジラ is Endangered.

Taxonomic Classification

Rank	Amur Hedgehog	ナガスクジラ
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	Balaenopteridae (Rorquals)
Genus	Erinaceus	Balaenoptera (Rorquals)
Species	Erinaceus amurensis	Balaenoptera physalus

Evolutionary Relationship

Amur Hedgehog and ナガスクジラ share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Amur Hedgehog

LC — Least Concern

ナガスクジラ

EN — Endangered

Physical Characteristics

Attribute	Amur Hedgehog	ナガスクジラ
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.

ナガスクジラ

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

ナガスクジラ

ナガスクジラ（Balaenoptera physalus）は、IUCNレッドリストで絶滅危惧種（EN）に分類されています。野生での絶滅リスクが高く、個体数の著しい減少と生存への継続的な脅威に直面しています。