Gray-bellied Night Monkey vs Light-crowned Spinetail

Aotus lemurinus compared with Cranioleuca albiceps

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Light-crowned Spinetail is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Light-crowned Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Furnariidae
Genus	Aotus	Cranioleuca
Species	Aotus lemurinus	Cranioleuca albiceps

Evolutionary Relationship

Gray-bellied Night Monkey and Light-crowned Spinetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Light-crowned Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Light-crowned Spinetail
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.

Light-crowned Spinetail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.