Gray-bellied Night Monkey vs White-collared Swift

Aotus lemurinus compared with Streptoprocne zonaris

Key Differences

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

Taxonomic Classification

Rank	Gray-bellied Night Monkey	White-collared 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	Streptoprocne
Species	Aotus lemurinus	Streptoprocne zonaris

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

White-collared Swift

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	White-collared 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.

White-collared Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

White-collared Swift

White-collared Swift (Streptoprocne zonaris) 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