ナガスクジラ vs Gray's Bald-faced Saki

Balaenoptera physalus compared with Pithecia irrorata

Key Differences

• ナガスクジラ is Endangered while Gray's Bald-faced Saki is Data Deficient.

Taxonomic Classification

Rank	ナガスクジラ	Gray's Bald-faced Saki
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	Cetacea (Whales & Dolphins)	Primates (サル目)
Family	Balaenopteridae (Rorquals)	Pitheciidae
Genus	Balaenoptera (Rorquals)	Pithecia
Species	Balaenoptera physalus	Pithecia irrorata

Evolutionary Relationship

ナガスクジラ and Gray's Bald-faced Saki share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

ナガスクジラ

EN — Endangered

Gray's Bald-faced Saki

DD — Data Deficient

Physical Characteristics

Attribute	ナガスクジラ	Gray's Bald-faced Saki
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.

Gray's Bald-faced Saki

Habitat

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。