Gray-bellied Night Monkey vs Square-spot Drill

Aotus lemurinus compared with Dichrorampha sequana

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Square-spot Drill is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Square-spot Drill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Tortricidae
Genus	Aotus	Dichrorampha
Species	Aotus lemurinus	Dichrorampha sequana

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Square-spot Drill

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Square-spot Drill
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.

Square-spot Drill

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden.