Gray-bellied Night Monkey vs small rivulet

Aotus lemurinus compared with Perizoma alchemillata

Key Differences

• Gray-bellied Night Monkey is Vulnerable while small rivulet is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	small rivulet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Geometridae
Genus	Aotus	Perizoma
Species	Aotus lemurinus	Perizoma alchemillata

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

small rivulet

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	small rivulet
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.

small rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.