Gray-bellied Night Monkey vs Streaked Saltator

Aotus lemurinus compared with Saltator striatipectus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Streaked Saltator is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Streaked Saltator
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Thraupidae
Genus	Aotus	Saltator
Species	Aotus lemurinus	Saltator striatipectus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Streaked Saltator

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Streaked Saltator
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.

Streaked Saltator

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Streaked Saltator

A medium-sized saltator of Pacific coastal lowlands in Colombia, Ecuador, and Panama, streaked saltators are named for the heavy brown and white streaking across their breast and flanks. They inhabit forest edges, thickets, and secondary woodland, foraging on seeds and fruit in pairs and small groups. Listed as Least Concern but with a restricted range in Pacific lowland habitats increasingly threatened by agricultural expansion and deforestation. They produce characteristic rich whistled notes typical of saltators.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela