Gray-bellied Night Monkey vs Hooked Smudge

Aotus lemurinus compared with Ypsolopha nemorella

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Hooked Smudge is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Hooked Smudge
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Ypsolophidae
Genus	Aotus	Ypsolopha
Species	Aotus lemurinus	Ypsolopha nemorella

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Hooked Smudge

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Hooked Smudge
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.

Hooked Smudge

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.