Gray-bellied Night Monkey vs Slaty-backed Chat-Tyrant

Aotus lemurinus compared with Ochthoeca cinnamomeiventris

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Slaty-backed Chat-Tyrant is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Slaty-backed Chat-Tyrant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Tyrannidae
Genus	Aotus	Ochthoeca
Species	Aotus lemurinus	Ochthoeca cinnamomeiventris

Evolutionary Relationship

Gray-bellied Night Monkey and Slaty-backed Chat-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Slaty-backed Chat-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Slaty-backed Chat-Tyrant
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.

Slaty-backed Chat-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Slaty-backed Chat-Tyrant

Slaty-backed Chat-Tyrant (Ochthoeca cinnamomeiventris) 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