Blue-grey Tanager vs Gray-bellied Night Monkey

Thraupis episcopus compared with Aotus lemurinus

Key Differences

• Blue-grey Tanager is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Blue-grey Tanager	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Primates (Primates)
Family	Thraupidae	Aotidae
Genus	Thraupis	Aotus
Species	Thraupis episcopus	Aotus lemurinus

Evolutionary Relationship

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

Conservation Status

Blue-grey Tanager

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Blue-grey Tanager	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-grey Tanager

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm.

Range

Distributed across Colombia, Ecuador, Norway, Peru, and Venezuela.

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.

Blue-grey Tanager

Blue-grey Tanager (Thraupis episcopus) 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