Big Brown Bat vs Gray-bellied Night Monkey

Eptesicus fuscus compared with Aotus lemurinus

Key Differences

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

Taxonomic Classification

Rank	Big Brown Bat	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	Chiroptera (翼手目)	Primates (サル目)
Family	Vespertilionidae	Aotidae
Genus	Eptesicus	Aotus
Species	Eptesicus fuscus	Aotus lemurinus

Evolutionary Relationship

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

Conservation Status

Big Brown Bat

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and 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.

Big Brown Bat

The Big Brown Bat (Eptesicus fuscus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela