Gray-bellied Night Monkey vs Miller’s Mastiff Bat

Aotus lemurinus compared with Molossus pretiosus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Miller’s Mastiff Bat
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Mammalia (memeliler)	Mammalia (memeliler)
Order	Primates (Primat)	Chiroptera (yarasa)
Family	Aotidae	Molossidae
Genus	Aotus	Molossus
Species	Aotus lemurinus	Molossus pretiosus

Evolutionary Relationship

Gray-bellied Night Monkey and Miller’s Mastiff Bat share a common ancestor at the Class level: Mammalia. (memeliler)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Miller’s Mastiff Bat
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.

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela