Gray-bellied Night Monkey vs Stygian Owl

Aotus lemurinus compared with Asio stygius

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Stygian Owl is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Stygian Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Strigiformes (Owls)
Family	Aotidae	Strigidae (True Owls)
Genus	Aotus	Asio
Species	Aotus lemurinus	Asio stygius

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Stygian Owl

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Stygian Owl
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.

Stygian Owl

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Stygian Owl

Stygian Owl (Asio stygius) 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