Gray-bellied Night Monkey vs Haviside s Dolphin

Aotus lemurinus compared with Cephalorhynchus heavisidii

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Haviside s Dolphin is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Haviside s Dolphin
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Primates (灵长目)	Cetacea (Whales & Dolphins)
Family	Aotidae	Delphinidae (Oceanic Dolphins)
Genus	Aotus	Cephalorhynchus
Species	Aotus lemurinus	Cephalorhynchus heavisidii

Evolutionary Relationship

Gray-bellied Night Monkey and Haviside s Dolphin share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Haviside s Dolphin

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

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.

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.