Gray-bellied Night Monkey vs Gray-rumped Swift

Aotus lemurinus compared with Chaetura cinereiventris

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Gray-rumped Swift is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Gray-rumped Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Aotidae	Apodidae
Genus	Aotus	Chaetura
Species	Aotus lemurinus	Chaetura cinereiventris

Evolutionary Relationship

Gray-bellied Night Monkey and Gray-rumped Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Gray-rumped Swift

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Gray-rumped Swift
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.

Gray-rumped Swift

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Gray-rumped Swift

Gray-rumped Swift (Chaetura cinereiventris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela