Gray-bellied Night Monkey vs Little Big-eared Bat

Aotus lemurinus compared with Micronycteris megalotis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Little Big-eared Bat is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Little Big-eared Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Chiroptera (Bats)
Family	Aotidae	Phyllostomidae
Genus	Aotus	Micronycteris
Species	Aotus lemurinus	Micronycteris megalotis

Evolutionary Relationship

Gray-bellied Night Monkey and Little Big-eared Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Little Big-eared Bat

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Little Big-eared 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.

Little Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela