Blue Dolphin vs Gray-bellied Night Monkey

Stenella coeruleoalba compared with Aotus lemurinus

Key Differences

• Blue Dolphin is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Gray-bellied Night Monkey
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	Delphinidae (Oceanic Dolphins)	Aotidae
Genus	Stenella	Aotus
Species	Stenella coeruleoalba	Aotus lemurinus

Evolutionary Relationship

Blue Dolphin and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Blue Dolphin

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Blue Dolphin

スジイルカ（Stenella coeruleoalba）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela