Gray-bellied Night Monkey vs Willow Pigmy

Aotus lemurinus compared with Stigmella obliquella

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Willow Pigmy is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Willow Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Nepticulidae
Genus	Aotus	Stigmella
Species	Aotus lemurinus	Stigmella obliquella

Evolutionary Relationship

Gray-bellied Night Monkey and Willow Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Willow Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Willow Pigmy
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.

Willow Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.