Gray-bellied Night Monkey vs Long Tom Widow

Aotus lemurinus compared with Dingana angusta

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Long Tom Widow is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Long Tom Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Aotidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aotus	Dingana
Species	Aotus lemurinus	Dingana angusta

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Long Tom Widow

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Long Tom Widow
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.

Long Tom Widow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.