ナガスクジラ vs Lesser Cachalot

Balaenoptera physalus compared with Kogia breviceps

Key Differences

• ナガスクジラ is Endangered while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	ナガスクジラ	Lesser Cachalot
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	Balaenopteridae (Rorquals)	Kogiidae
Genus	Balaenoptera (Rorquals)	Kogia
Species	Balaenoptera physalus	Kogia breviceps

Evolutionary Relationship

ナガスクジラ and Lesser Cachalot share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

ナガスクジラ

EN — Endangered

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	ナガスクジラ	Lesser Cachalot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

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。

Shared Countries

Both species can be found in 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan