Gray-bellied Night Monkey vs Lesser Cachalot

Aotus lemurinus compared with Kogia breviceps

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Lesser Cachalot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Aotidae	Kogiidae
Genus	Aotus	Kogia
Species	Aotus lemurinus	Kogia breviceps

Evolutionary Relationship

Gray-bellied Night Monkey and Lesser Cachalot share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Lesser Cachalot
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.

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador