Equatorial Saki vs Hirata-ei

Pithecia aequatorialis compared with Urolophus aurantiacus

Key Differences

• Equatorial Saki is Least Concern while Hirata-ei is Vulnerable.

Taxonomic Classification

Rank	Equatorial Saki	Hirata-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Primates (サル目)	Myliobatiformes (トビエイ目)
Family	Pitheciidae	Urolophidae
Genus	Pithecia	Urolophus
Species	Pithecia aequatorialis	Urolophus aurantiacus

Evolutionary Relationship

Equatorial Saki and Hirata-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Equatorial Saki

LC — Least Concern

Hirata-ei

VU — Vulnerable

Physical Characteristics

Attribute	Equatorial Saki	Hirata-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Equatorial Saki

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Hirata-ei

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.