Gianna’s Yellow-shouldered Bat vs Gray-bellied Night Monkey

Sturnira giannae compared with Aotus lemurinus

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Gianna’s Yellow-shouldered Bat	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Primates (Primates)
Family	Phyllostomidae	Aotidae
Genus	Sturnira	Aotus
Species	Sturnira giannae	Aotus lemurinus

Evolutionary Relationship

Gianna’s Yellow-shouldered Bat and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador