Gray-bellied Night Monkey vs Slender-billed Xenops

Aotus lemurinus compared with Xenops tenuirostris

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Slender-billed Xenops is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Slender-billed Xenops
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Furnariidae
Genus	Aotus	Xenops
Species	Aotus lemurinus	Xenops tenuirostris

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Slender-billed Xenops

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Slender-billed Xenops
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.

Slender-billed Xenops

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela